Display panel

Abstract

A novel display panel that is highly convenient or reliable is provided.SOLUTION: A display panel includes a pixel, the pixel includes a pixel circuit and a display element, and the display element is electrically connected to the pixel circuit. The pixel circuit is supplied with a selection signal, an image signal, and a pulse width control signal, supplies an output potential, and determines a period during which the output potential is supplied on the basis of the pulse width control signal. The pixel circuit includes a first switch and a first transistor. The first switch has a function of supplying an image signal on the basis of the selection signal and determines an output potential on the basis of the image signal. The first transistor includes a first electrode, a second electrode, and a first gate electrode. An output potential is output from the first electrode, and an image signal is supplied to the first gate electrode. Note that the first transistor includes a second gate electrode, and the second gate electrode is supplied with the pulse width control signal.SELECTED DRAWING: Figure 7

Description

[Technical Field]

[0001] One embodiment of the present invention relates to a display panel, a display device, an input / output device, or an information processing device.

[0002] Note that one embodiment of the present invention is not limited to the above technical fields. The technical field of one aspect relates to an article, a method, or a manufacturing method. One aspect of the present invention is a process, machine, manufacture, or composition. Therefore, the invention disclosed herein more specifically relates to The technical field of one embodiment of the present invention is a semiconductor device, a display device, a light-emitting device, a power storage device, a memory device, Examples include their driving methods and their manufacturing methods. [Background technology]

[0003] A display panel having pixels, the pixels comprising a functional layer, a first display element and a second display element. The functional layer includes a pixel circuit, and the functional layer includes a first The pixel circuit includes a region sandwiched between the first display element and the second display element. and the second display element. The first display element has a reflective film, and the first surface The second display element has a function of controlling the intensity of light reflected by the reflective film, and the reflective film controls the intensity of light reflected by the second display element. The second display element has a shape that does not block the light emitted from the second display element. The second display element includes a light element, and the second display element is positioned within a part of the range in which the display using the first display element can be seen. The second display element is disposed so that the display using the second display element can be seen in the display. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Japanese Patent Application Laid-Open No. 2018-60184 Summary of the Invention [Problem to be solved by the invention]

[0005] An object of one embodiment of the present invention is to provide a novel display panel that is highly convenient or reliable. Alternatively, the object of the present invention is to provide a novel display device that is highly convenient and reliable. Alternatively, the task is to provide a new input / output device that is highly convenient and reliable. Alternatively, to provide a novel information processing device that is highly convenient and reliable. This is one of the challenges.

[0006] The description of these problems does not preclude the existence of other problems. It is not necessary for the present invention to solve all of these problems. The above will be made clear from the description, drawings, claims, etc. It is possible to extract other issues from the descriptions in the patent, claims, etc. [Means for solving the problem]

[0007] (1) One embodiment of the present invention is a display panel having pixels.

[0008] The pixel comprises a pixel circuit and a display element, and the display element is electrically connected to the pixel circuit.

[0009] The pixel circuit is supplied with a selection signal, an image signal and a pulse width control signal, and the pixel circuit outputs The pixel circuit has a function of supplying an output potential. The pixel circuit has a function of determining based on the control signal, and the pixel circuit has a first switch and a first transistor. Equipped with a register.

[0010] The first switch has a function of supplying an image signal based on a selection signal, and the first transistor The monitor has a function of determining an output potential based on an image signal.

[0011] The first transistor includes a first electrode, a second electrode, and a first gate electrode. An output potential is output from the electrode, and an image signal is supplied to the first gate electrode.

[0012] The first transistor also includes a second gate electrode, and the second gate electrode has a pulse width A control signal is provided.

[0013] (2) One embodiment of the present invention is a display panel having a pixel.

[0014] The pixel comprises a pixel circuit and a display element, and the display element is electrically connected to the pixel circuit.

[0015] The pixel circuit is supplied with a selection signal, an image signal and a pulse width control signal, and the pixel circuit outputs The pixel circuit has a function of supplying an output potential. The pixel circuit has a function of determining based on the control signal, and the pixel circuit has a first switch and a first transistor. Equipped with a register.

[0016] The first switch has a function of supplying an image signal based on a selection signal, and the first transistor The monitor has a function of determining an output potential based on an image signal.

[0017] The first transistor includes a first electrode, a second electrode, and a first gate electrode. An output potential is output from the electrode, and an image signal is supplied to the first gate electrode.

[0018] The pixel circuit also includes a second switch, and the second switch is configured to switch based on a pulse width control signal. The transistor has a function of controlling the potential of the first gate electrode.

[0019] This allows the pixel circuit to supply an output potential based on the image signal. The pixel may supply an output potential for a period based on a pulse width control signal. can express gradation based on an image signal or a pulse width control signal. As a result, a novel display that is highly convenient and reliable can be realized. A display panel can be provided.

[0020] (3) In one embodiment of the present invention, a display element has a function of emitting light, and the display element has a function of outputting an output voltage. The display panel has a function of changing the intensity of light based on the position.

[0021] (4) Another embodiment of the present invention is the display panel in which the display element is a micro LED. do.

[0022] This allows a wide range of gradations to be expressed. Or, for example, it can express a wide range of gradations even in a bright environment. As a result, a novel display panel with excellent convenience and reliability can be provided. This can be done.

[0023] (5) Another embodiment of the present invention is the above-described display panel having a display area.

[0024] The display area comprises a group of pixels, another group of pixels, scan lines, signal lines and control lines.

[0025] The group of pixels includes pixels, and the group of pixels is arranged in a row direction.

[0026] Another group of pixels includes pixels arranged in a column direction that intersects with the row direction. do.

[0027] The scanning lines are electrically connected to a group of pixels, and the scanning lines have the function of supplying selection signals. .

[0028] The control lines are electrically connected to a group of pixels, and the control lines function to provide pulse width control signals. Equipped with.

[0029] The signal line is electrically connected to another group of pixels, and the signal line has a function of supplying an image signal. can.

[0030] (6) In addition, one embodiment of the present invention is a first driving circuit, a second driving circuit, and a third driving circuit. and the display panel.

[0031] The first driving circuit supplies a selection signal, the second driving circuit supplies an image signal, and the third driving circuit supplies a The path provides a pulse width control signal.

[0032] This allows image information to be supplied to multiple pixels, or image information to be displayed. As a result, a novel display panel with excellent convenience and reliability can be provided. This can be done.

[0033] (7) Another aspect of the present invention is a display device including the above-described display panel and a control unit. do.

[0034] The control unit is supplied with image information and control information, and the control unit generates information based on the image information. The control unit generates a control signal based on the control information, and the control unit provides the information and the control signal. Provide.

[0035] The display panel is supplied with information and control signals. The driving circuit operates based on the control signals. The driving circuit operates based on the information and the control signal. Show.

[0036] This allows image information to be displayed using the display element. This makes it possible to provide a novel display device with excellent reliability.

[0037] (8) Another embodiment of the present invention is an input / output device including an input unit and a display unit.

[0038] The display unit includes the display panel, and the input unit includes a sensing area.

[0039] The input unit detects an object in proximity to a detection area, and the detection area has an area that overlaps with the pixels.

[0040] This allows the display unit to display image information while the area adjacent to the display unit overlaps the image information. Or, a finger placed close to the display can be used as a pointer to detect the position. Alternatively, the location information can be associated with the image information displayed on the display unit. As a result, a novel input / output device with excellent convenience and reliability can be provided. It is possible.

[0041] (9) Another embodiment of the present invention is a data processing device including an arithmetic device and an input / output device. do.

[0042] The computing device is supplied with input information or sensed information, and the computing device performs a calculation based on the input information or sensed information. The control information and the image information are generated based on the control information and the image information. supply.

[0043] The input / output device provides input information and sensing information, and the input / output device provides control information and image information. The input / output device includes a display unit, an input unit, and a detection unit.

[0044] The display unit includes the above-mentioned display panel, and displays image information based on the control information.

[0045] The input unit generates input information, and the detection unit generates detection information.

[0046] This allows the control information to be generated based on the input information or the detected information. Alternatively, image information can be displayed based on input information or detected information. It is possible to provide a novel information processing device that is highly convenient and reliable.

[0047] (10) Furthermore, one aspect of the present invention is a keyboard, a hardware button, a pointing device, device, touch sensor, illuminance sensor, imaging device, voice input device, eye gaze input device, posture detection and the display panel.

[0048] This allows the display of image information or control information based on information provided using various input devices. The information can be generated by a computing device, resulting in a novel and convenient method. It is possible to provide an information processing device.

[0049] In the drawings accompanying this specification, components are classified by function and are shown as independent blocks. However, it is difficult to completely separate the components by function in reality. It is possible that one component may be involved in multiple functions.

[0050] In this specification, the source and drain of a transistor are used to indicate the polarity and The name changes depending on the level of the potential applied to the terminal. Generally, n-channel In a transistor with a low potential, the terminal to which a low potential is applied is called the source, and the terminal to which a high potential is applied is called the The terminal to which the transistor is connected is called the drain. The terminal to which a high potential is applied is called the drain, and the terminal to which a high potential is applied is called the source. For convenience, let us assume that the source and drain are fixed. However, in reality, the source and drain are connected according to the above potential relationship. The way they are handled changes.

[0051] In this specification, the source of a transistor is a part of a semiconductor film that functions as an active layer. The source region connected to the semiconductor film or the source electrode connected to the semiconductor film. The drain of the transistor is a drain region that is a part of the semiconductor film, or a region that is part of the semiconductor film. "Gate" means the gate electrode.

[0052] In this specification, the state in which transistors are connected in series means, for example, Only one of the source or drain of one transistor is connected to the source or drain of the second transistor. It also means that the transistors are connected in parallel. The state where either the source or drain of the first transistor is connected to the second transistor and the source or drain of the first transistor is connected to one of the source and drain of the second transistor. The other of the two transistors is connected to the other of the source or drain of the second transistor. do.

[0053] In this specification, connection means an electrical connection, and a current, voltage, or potential is supplied. Therefore, the connected state corresponds to the state where the signal can be supplied or transmitted. does not necessarily refer to the state in which a current, voltage, or potential is available or transferable. The signals are transmitted through circuit elements such as wires, resistors, diodes, and transistors. This also includes the state of being directly connected.

[0054] In this specification, when components that are independent on the circuit diagram are connected to each other, However, in reality, for example, when a part of the wiring functions as an electrode, one conductive film may be connected to multiple In this specification, the term "connection" refers to such a Cases in which one conductive film has the functions of multiple components are also included in this category.

[0055] In this specification, either the first electrode or the second electrode of a transistor is a source the other refers to the drain electrode. [Effects of the Invention]

[0056] According to one aspect of the present invention, there is provided a novel display panel that is highly convenient or reliable. Alternatively, a novel display device that is highly convenient and reliable can be provided. Alternatively, it is possible to provide a novel input / output device that is highly convenient and reliable. It is possible to provide a novel information processing device that is highly convenient and reliable. A novel display panel, a novel display device, a novel input / output device, a novel information processing device, or a novel A new semiconductor device can be provided.

[0057] The description of these effects does not preclude the existence of other effects. The embodiment does not necessarily have to have all of these effects. , the specification, drawings, claims, etc., and It is possible to extract other effects from the claims and other descriptions. [Brief explanation of the drawings]

[0058] [Figure 1] 1A to 1C illustrate a structure of a display panel according to an embodiment. [Figure 2] 1A and 1B are a cross-sectional view and a circuit diagram illustrating a structure of a display panel according to an embodiment. [Figure 3] FIG. 1 is a circuit diagram illustrating a structure of a display panel according to an embodiment. [Figure 4] 4 is a timing chart illustrating a method for driving a display panel according to an embodiment. [Figure 5] 1A and 1B are cross-sectional views illustrating a structure of a display panel according to an embodiment. [Figure 6] 1A and 1B are cross-sectional views illustrating a structure of a display panel according to an embodiment. [Figure 7] 1A to 1C illustrate a structure of a display panel according to an embodiment. [Figure 8] 1A to 1C illustrate a structure of a display device according to an embodiment. [Figure 9] 1A and 1B illustrate a configuration of an input / output device according to an embodiment. [Figure 10] FIG. 1 is a diagram illustrating a configuration of an information processing device according to an embodiment. [Figure 11] FIG. 2 is a flow diagram illustrating a configuration of an information processing device according to an embodiment. [Figure 12] FIG. 1 is a diagram illustrating a configuration of an information processing device according to an embodiment. [Figure 13] 1A and 1B are diagrams illustrating an information processing device according to an embodiment. [Figure 14] 1A and 1B are diagrams illustrating an information processing device according to an embodiment. [Figure 15] 4 is a timing chart illustrating a method for driving a display panel according to an embodiment. DETAILED DESCRIPTION OF THE INVENTION

[0059] A display panel according to one embodiment of the present invention includes a pixel, the pixel including a pixel circuit and a display element, The display elements are electrically connected to pixel circuits, which receive selection signals, image signals, and pulses. A pulse width control signal is supplied, an output potential is supplied, and a period for supplying the output potential is determined by the pulse width control signal. The pixel circuit is determined based on a signal. The first switch has a function of supplying an image signal based on a selection signal, and The first transistor has a first electrode, a second electrode, and The first gate electrode is provided, and an output potential is output from the first electrode. The first gate electrode is The first transistor is provided with a second gate electrode. The electrode is supplied with a pulse width control signal.

[0060] This allows the pixel circuit to supply an output potential based on the image signal. The pixel may supply an output potential for a period based on a pulse width control signal. can express gradation based on an image signal or a pulse width control signal. As a result, a novel display that is highly convenient and reliable can be realized. A display panel can be provided.

[0061] The embodiments will be described in detail with reference to the drawings. However, the present invention is not limited to the following description. The present invention is not limited to the above embodiments, and various changes and modifications may be made in the form and details thereof without departing from the spirit and scope of the present invention. It will be readily understood by those skilled in the art that the present invention can be achieved by the following embodiments. It should not be construed as being limited to the contents of the description. The same reference numerals are used in different drawings to denote the same parts or parts having similar functions. A repeated explanation will be omitted.

[0062] (Embodiment 1) In this embodiment, a structure of a display panel according to one embodiment of the present invention will be described with reference to FIGS. This will be explained with reference to 15.

[0063] FIG. 1 illustrates a structure of a display panel according to one embodiment of the present invention. 1(B) and 1(C) are top views of a display panel according to an embodiment of the present invention, and FIG. 1(B) and FIG. 1(C) illustrate a part of FIG. 1(A). FIG.

[0064] FIG. 2 illustrates a structure of a display panel according to one embodiment of the present invention. 2 is a cross-sectional view taken along the lines X1-X2, X3-X4, and X9-X10 of FIG. 1B is a circuit diagram illustrating the configuration of pixel circuit 530(i,j).

[0065] FIG. 3 illustrates a structure of a display panel according to one embodiment of the present invention. FIG. 1 is a circuit diagram illustrating the configuration of i, j).

[0066] 4A and 4B are diagrams illustrating a method for driving a display panel according to one embodiment of the present invention. 4(A) is a timing chart illustrating the operation of the circuit 530(i, j), and FIG. 4(B) is a timing chart illustrating the operation of the display panel 1 is a timing chart illustrating the operation of the loop.

[0067] 15A and 15B illustrate a method for driving a display panel according to one embodiment of the present invention. 15(B) is a timing chart for explaining the operation of the element circuit 530(i, j). 1 is a timing chart illustrating the operation of the display panel.

[0068] 5A and 5B illustrate a structure of a display panel according to one embodiment of the present invention. 5(A) is a cross-sectional view illustrating the configuration of the pixel 702(i, j). FIG.

[0069] 6A and 6B illustrate a structure of a display panel according to one embodiment of the present invention. 6(B) is a cross-sectional view taken along the cutting lines X1-X2 and X3-X4 of FIG. 6(A). FIG.

[0070] In this specification, variables that take integer values ​​of 1 or more may be used as symbols. For example, (p) includes a variable p that takes an integer value of 1 or more, and identifies any of the components up to p. For example, the variables m and m, which take integer values ​​of 1 or more, and variable n, is a part of a code that identifies one of up to m × n components. It may be used in parts.

[0071] <Display panel configuration example 1.> The display panel 700 described in this embodiment has a display area 231 and a functional layer 520. The display area 231 also includes pixels 702(i,j) (see FIG. 1(A)).

[0072] 《Pixel 702(i,j)》 Pixel 702(i,j) includes pixel circuit 530(i,j) and display element 650(i,j). (See FIG. 2A.) The display element 650(i,j) is connected to the pixel circuit 530(i,j). ) is electrically connected to

[0073] <<Configuration example 1 of functional layer 520>> The functional layer 520 includes a pixel circuit 530(i,j). The functional layer 520 also includes an opening 591. A and terminals 541(i, j). For example, in the opening 591A, the pixel circuit 5 30(i,j) is electrically connected to terminal 541(i,j), and terminal 541(i,j) is The functional layer 520 is electrically connected to the display element 650(i, j). The conductive film ANO is electrically connected to the terminal 542, and the terminal 542 is connected to the display element 650(i, j ) is electrically connected to

[0074] <<Configuration Example 1 of Pixel Circuit 530(i,j)>> The pixel circuit 530(i,j) receives a selection signal, an image signal DATA(j), and a pulse width control signal The pixel circuit 530(i,j) receives a signal MS(i) and outputs an output potential. For example, the scanning line G21(i), the signal line S2(j), and the control line G22(i) are electrically connected to each other. The scanning line G21(i) supplies a selection signal, and the signal line S2(j) supplies an image signal DA TA(j), and control line G22(i) supplies the pulse width control signal MS(i) (Fig. 2(B)).

[0075] The pixel circuit 530(i,j) determines the period during which the output potential is supplied by the pulse width control signal MS(i). It has the ability to make decisions based on the

[0076] The pixel circuit 530(i,j) includes a switch SW21 and a transistor M (see FIG. 2( See B).

[0077] The switch SW21 has a function of supplying the image signal DATA(j) based on the selection signal. can.

[0078] The transistor M has a function of determining the output potential based on the image signal DATA(j). An output potential is output from either the source electrode or the drain electrode, and an image signal is input to the gate electrode. DATA(j) is supplied.

[0079] <<Configuration Example 2 of Pixel Circuit 530(i,j)>> The transistor M includes a first electrode, a second electrode, a first gate electrode, and a second gate electrode. (See FIG. 3(A)). The first electrode is one of a source electrode and a drain electrode. The second electrode is the other of the source electrode and the drain electrode. The electrode faces the first gate electrode, and the semiconductor film of the transistor M is and a region sandwiched between the first gate electrode and the second gate electrode.

[0080] The second gate electrode is supplied with a pulse width control signal MS(i).

[0081] The potential of the first gate electrode or the potential of the second gate electrode is used to For example, while the potential of the second gate electrode is kept constant, Therefore, the conduction state of the transistor M can be controlled using the potential of the first gate electrode. In addition, while the potential of the first gate electrode is kept constant, the potential of the second gate electrode is used to The conduction state of the transistor M can also be controlled by this.

[0082] Specifically, when an n-channel transistor is used as the transistor M, The potential of the first gate electrode is made higher than the potential of the second gate electrode to make the transistor M conductive. Moreover, while the potential of the first gate electrode is maintained at the potential, the potential of the second gate electrode can be The potential of the port electrode can be raised to make the transistor M non-conductive.

[0083] As a result, the pixel circuit 530(i,j) outputs an output voltage based on the image signal DATA(j). Place V out (i,j) or the output potential V out (i,j) , can be supplied for a period based on the pulse width control signal MS(i). 2(i,j) is based on the image signal DATA(j) or the pulse width control signal MS(i) As a result, it is possible to express a wide range of gradations. This makes it possible to provide a novel display panel that is highly convenient and reliable.

[0084] For example, a gate electrode electrically connected to the scanning line G21(i) and a gate electrode electrically connected to the signal line S2(j) are A transistor having a first electrode electrically connected to the first electrode may be used as the switch SW21. This is possible (see Figure 3(A)).

[0085] The first transistor is electrically connected to the second electrode of the transistor used in the switch SW21. A gate electrode, a first electrode electrically connected to the display element 650(i, j), and a conductive film V A second electrode electrically connected to COM2 and a control line G22(i) electrically connected to the control line G22(i) A transistor having a second gate electrode can be used as the transistor M.

[0086] <<Drive method>> A method for driving the pixel circuit 530(i,j) will be described (see FIG. 4(A)). G21(i) has the function of supplying a selection signal, and signal line S2(j) supplies an image signal DATA( j), and control line G22(i) supplies pulse width control signal MS(i). It has the function of

[0087] [First Step] For example, when an n-channel transistor is used for the switch SW21, In the period up to time T1, the potential of the first gate electrode is set to be equal to or higher than the threshold value of the transistor. A selection signal is supplied to the scanning line G21(i). Also, the second gate electrode is set to a predetermined potential. Thus, a pulse width control signal MS(i) is supplied to the control line G22(i).

[0088] This allows the switch SW21 to be in a conductive state. (j) can be obtained from signal line S2(j).

[0089] [Second step] Next, at time T1, the switch SW21 is turned off. When a transistor of this type is used for the switch SW21, the potential of the first gate electrode is higher than the threshold voltage. A selection signal is supplied to the scanning line G21(i) so that the level of the scanning line G21(i) becomes low.

[0090] As a result, the potential of the gate electrode of the transistor M is set to the potential of the image signal DATA (j) can be used to determine the output potential V out Determine (i,j) It is possible.

[0091] [Third Step] Next, at time T2, the transistor M is made non-conductive. For example, an n-channel When the transistor M is used, the potential of the second gate electrode is set sufficiently low. Specifically, the pulse width control signal MS(i) that sufficiently lowers the potential of the second gate electrode is It is supplied to the control line G22(i).

[0092] This allows the transistor M to be in a non-conductive state. Output potential V of (i,j) out (i, j) can be made close to the potential of the conductive film ANO .

[0093] The period from time T0 to time T3 is called one frame period. The ratio of the period from time T1 to time T2 to one frame period is called the duty cycle. This can be called the ratio.

[0094] <<Configuration Example 3 of Pixel Circuit 530(i,j)>> The pixel circuit 530(i,j) includes a switch SW22 (see FIG. 3(B)). W22 is a gate electrode of the first gate electrode of the transistor M based on the pulse width control signal MS(i). Specifically, the switch SW22 turns the transistor M off. A potential for turning on the transistor M is applied to the first electrode of the transistor M.

[0095] When an n-channel transistor is used as the transistor M, the first gate electrode is electrically connected to the conductive film VCOM3 that supplies a sufficiently low potential, It can be put into a non-conducting state.

[0096] As a result, the pixel circuit 530(i,j) outputs an output voltage based on the image signal DATA(j). Place V out (i,j) or the output potential V out (i,j) , can be supplied for a period based on the pulse width control signal MS(i). 2(i,j) is based on the image signal DATA(j) or the pulse width control signal MS(i) As a result, it is possible to express a wide range of gradations. This makes it possible to provide a novel display panel that is highly convenient and reliable.

[0097] For example, a gate electrode electrically connected to the scanning line G21(i) and a gate electrode electrically connected to the signal line S2(j) are A transistor having a first electrode electrically connected to the first electrode may be used as the switch SW21. This is possible (see Figure 3(B)).

[0098] Also, for example, a gate electrode electrically connected to the control line G22(i) and a switch SW2 a first electrode electrically connected to a second electrode of the transistor used in the first embodiment; A transistor having a second electrode electrically connected to M3 is used as switch SW22. It is possible.

[0099] The first transistor is electrically connected to the second electrode of the transistor used in the switch SW21. A gate electrode, a first electrode electrically connected to the display element 650(i, j), and a conductive film V A second electrode electrically connected to COM2 and a control line G22(i) electrically connected to the control line G22(i) A transistor having a second gate electrode can be used as the transistor M.

[0100] <<Drive method>> A method for driving the pixel circuit 530(i,j) will be described (see FIG. 15(A)). The line G21(i) has the function of supplying a selection signal, and the signal line S2(j) supplies the image signal DATA (j), and control line G22(i) supplies pulse width control signal MS(i). It has the function to do this.

[0101] [First Step] For example, when an n-channel transistor is used for the switch SW21, In the period up to time T1, the potential of the first gate electrode is set to be equal to or higher than the threshold value of the transistor. A selection signal is supplied to the scanning line G21(i). Also, the switch SW22 is in a non-conducting state. Thus, a pulse width control signal MS(i) is supplied to the control line G22(i).

[0102] This allows the switch SW21 to be in a conductive state. (j) can be obtained from signal line S2(j).

[0103] [Second step] Next, at time T1, the switch SW21 is turned off. When a transistor of this type is used for the switch SW21, the potential of the first gate electrode is higher than the threshold voltage. A selection signal is supplied to the scanning line G21(i) so that the level of the scanning line G21(i) becomes low.

[0104] As a result, the potential of the gate electrode of the transistor M is set to the potential of the image signal DATA (j) can be used to determine the output potential V out Determine (i,j) It is possible.

[0105] [Third Step] Next, at time T2, the transistor M is made non-conductive. For example, an n-channel When this transistor is used as the transistor M, the potential of the first gate electrode is set sufficiently low. Specifically, the pulse width control signal MS(i) that turns on the switch SW22 is controlled by line G22(i) to electrically connect the first gate electrode of the transistor M to the conductive film VCOM3. The conductive film VCOM3 can supply a sufficiently low potential.

[0106] This allows the transistor M to be in a non-conductive state. Output potential V of (i,j) out (i, j) can be made close to the potential of the conductive film ANO .

[0107] The period from time T0 to time T3 can be called one frame period. The ratio of the period from time T1 to time T2 to one frame period is called the duty ratio. This can be done.

[0108] <Display panel configuration example 2.> The display panel 700 described in this embodiment includes a functional layer 520 (see FIG. 2A). The functional layer 520 includes pixel circuits 530(i, j) (see FIGS. 2(A) and 5(A)). )reference).

[0109] <<Configuration Example of Pixel Circuit 530(i,j)>> For example, a switch, a transistor, a diode, a resistive element, an inductor, or a capacitive element. can be used for pixel circuit 530(i,j).

[0110] Specifically, the pixel circuit 530(i,j) includes a switch SW21, a transistor M, and a capacitor For example, a transistor can be used for the switch SW21.

[0111] For example, a bottom gate transistor or a top gate transistor may be used. It can be used for element circuit 530(i,j).

[0112] <<Configuration example of switch SW21>> For example, a transistor can be used for switch SW21.

[0113] The transistor includes a semiconductor film 508, a conductive film 504, a conductive film 512A, and a conductive film 512B. (See FIG. 5(B)).

[0114] The semiconductor film 508 has a region 508A electrically connected to the conductive film 512A, a region 508B electrically connected to the conductive film 512B, and a region 508C electrically connected to the conductive film 512C. The semiconductor film 508 includes a region 508A and a region 508B that are electrically connected to the Between the regions 508B, there is provided a region 508C.

[0115] The conductive film 504 has a region overlapping with the region 508C, and the conductive film 504 has a function of a gate electrode. can.

[0116] The insulating film 506 has a region sandwiched between the semiconductor film 508 and the conductive film 504. The film 506 functions as a gate insulating film.

[0117] The conductive film 512A has either a function of a source electrode or a function of a drain electrode, and the conductive film 51 2B has the other of the source electrode function and the drain electrode function.

[0118] The conductive film 524 can be used for a transistor. The conductive film 524 has a region sandwiching the semiconductor film 508 between the conductive film 524 and the second gate electrode. The conductive film 524 can be electrically connected to the conductive film 504, for example. The conductive film 524 can be used for the scan line G21(i).

[0119] <<Configuration example of switch SW22>> For example, the same configuration that can be used for the switch SW21 can be used for the switch SW22. can.

[0120] <<Configuration example 1 of transistor M>> For example, the same configuration as that of the transistor used in the switch SW21 is used for the transistor M. In addition, the same semiconductor film as that of the transistor used in the switch SW21 can be used. The semiconductor film that can be formed by the process can be used for the transistor M.

[0121] <<Configuration Example 1 of Semiconductor Film 508>> For example, a semiconductor containing a group 14 element can be used for the semiconductor film 508. The semiconductor film 508 can be made of a semiconductor containing silicon.

[0122] [Hydrogenated amorphous silicon] For example, hydrogenated amorphous silicon can be used for the semiconductor film 508. Microcrystalline silicon or the like can be used for the semiconductor film 508. This allows, for example, Provides a display panel with less display unevenness than a display panel that uses silicon for the semiconductor film 508 Also, it is easy to increase the size of the display panel.

[0123] [Polysilicon] For example, polysilicon can be used for the semiconductor film 508. This allows, for example, The transistor has a higher conductivity than the transistor using hydrogenated amorphous silicon for the semiconductor film 508. The field effect mobility can be increased. Alternatively, for example, hydrogenated amorphous silicon The driving capability of the transistor can be improved compared to a transistor using the semiconductor film 508. For example, a transistor using hydrogenated amorphous silicon for the semiconductor film 508 can be used to The aperture ratio can be improved.

[0124] Alternatively, for example, a transistor using hydrogenated amorphous silicon for the semiconductor film 508 may be used. This can improve the reliability of the transistor.

[0125] Alternatively, the temperature required for manufacturing a transistor may be set to, for example, a temperature required for manufacturing a transistor using single crystal silicon. It can be lower than the standard.

[0126] Alternatively, a semiconductor film used for a transistor in a driver circuit may be used for a transistor in a pixel circuit. It can be formed in the same process as the semiconductor film. A driver circuit can be formed on the substrate. Alternatively, the number of components constituting the electronic device can be reduced. It is possible.

[0127] [Single crystal silicon] For example, single crystal silicon can be used for the semiconductor film. The resolution can be improved compared to a display panel using amorphous silicon for the semiconductor film 508. Alternatively, for example, a display panel using polysilicon for the semiconductor film 508 can be used. It is possible to provide a display panel with less unevenness. can provide a head mounted display.

[0128] <<Configuration Example 2 of Semiconductor Film 508>> For example, a metal oxide can be used for the semiconductor film 508. Compared to pixel circuits that use transistors with silicon as the semiconductor film, The time for which the image signal can be held can be extended. While suppressing generation, the selection signal is set to be less than 30 Hz, preferably less than 1 Hz, more preferably This allows the display panel user to receive the data less frequently than once per minute. This reduces fatigue caused by the movement of the motor, and also reduces power consumption during operation.

[0129] For example, a transistor including an oxide semiconductor can be used. an oxide semiconductor containing indium or an oxide semiconductor containing indium, gallium, and zinc; It can be used for body membranes.

[0130] For example, the leakage current in the off state is A transistor smaller than that used in the prior art can be used. A transistor using a conductor as a semiconductor film can be used.

[0131] For example, a 25 nm thick film containing indium, gallium, and zinc is deposited on the semiconductor film 508. It can be used.

[0132] For example, a 10 nm thick film containing tantalum and nitrogen and a 300 nm thick film containing copper A conductive film in which these are stacked can be used as the conductive film 504. Note that a film containing copper can be used as an insulating film. 506, a region sandwiching a film containing tantalum and nitrogen is provided.

[0133] For example, a 400 nm thick film containing silicon and nitrogen and a 400 nm thick film containing silicon, oxygen, and nitrogen A laminated film in which a film having a thickness of 200 nm including a silicon dioxide film and a silicon dioxide film are laminated can be used as the insulating film 506. The film containing silicon and nitrogen has silicon, oxygen, and It has regions sandwiching nitrogen-containing films.

[0134] For example, a 50 nm thick film containing tungsten and a 400 nm thick film containing aluminum are A conductive film in which a film containing titanium and a film having a thickness of 100 nm are stacked in this order is called a conductive film 512. A film containing tungsten can be used as the conductive film 512A or the conductive film 512B. It has an area that contacts the membrane 508 .

[0135] This makes it possible to suppress flickering and reduce power consumption. Or, it can display fast-moving videos smoothly. Or, it can display images with rich gradations. As a result, a novel display panel with excellent convenience and reliability can be provided. can be provided.

[0136] By the way, for example, a bottom gate transistor using amorphous silicon as a semiconductor The production line for bottom-gate transistors uses oxide semiconductors as the semiconductor. It can be easily modified into a production line. The transistor production line is a top-gate transistor that uses oxide semiconductors as the semiconductor. Both modifications can be easily made to existing production lines. It can be used.

[0137] <<Configuration Example 3 of Semiconductor Film 508>> For example, compound semiconductors can be used as the semiconductors of transistors. A semiconductor containing arsenic can be used.

[0138] For example, organic semiconductors can be used as the semiconductor of transistors. Organic semiconductors including cesene or graphene can be used for the semiconductor film.

[0139] <<Example of wiring, terminals, and conductive film configuration>> A conductive material can be used for wiring and the like.

[0140] For example, inorganic conductive materials, organic conductive materials, metals, or conductive ceramics can be used for wiring etc. It can be used for.

[0141] Specifically, aluminum, gold, platinum, silver, copper, chromium, tantalum, titanium, and molybdenum , a metal selected from tungsten, nickel, iron, cobalt, palladium, or manganese The elements can be used for wiring, etc. Alternatively, alloys containing the above-mentioned metal elements can be used. In particular, copper and manganese alloys can be used for wet etching. It is suitable for microfabrication.

[0142] Specifically, a two-layer structure in which a titanium film is laminated on an aluminum film, a titanium nitride film on a titanium nitride film, Two-layer structure with a tungsten film laminated on a titanium nitride film, two-layer structure with a tungsten film laminated on a titanium nitride film, a two-layer structure in which a tungsten film is laminated on a titanium film or a tungsten nitride film; A three-layer structure in which an aluminum film is layered on top of the titanium film, and a titanium film is then formed on top of that. etc. can be used for wiring etc.

[0143] Specifically, indium oxide, indium tin oxide, indium zinc oxide, zinc oxide, Conductive oxides such as zinc oxide doped with gallium can be used for wiring and the like.

[0144] Specifically, a film containing graphene or graphite can be used for wiring or the like.

[0145] For example, a film containing graphene oxide is formed and reduced to obtain a graphene oxide film. As a reduction method, a film containing graphene can be formed. and a method using a reducing agent.

[0146] For example, a film containing metal nanowires can be used for wiring. Nanowires containing such nanowires can be used.

[0147] Specifically, conductive polymers can be used for wiring and the like.

[0148] For example, the terminal 519B and the flexible printed circuit board F are connected by using the conductive material ACF1. Specifically, the terminal 51 can be electrically connected to the terminal PC1 using a conductive material CP. 9B and the flexible printed circuit board FPC1 can be electrically connected.

[0149] For example, aluminum, titanium, or copper can be used for terminals 541(i,j). Alternatively, an alloy containing silver, palladium, and copper can be used for the terminals 541(i,j). The bonding layer that electrically connects the display element 650(i, j) and the terminal 541(i, j) Silver paste can be used for 541(i,j)B.

[0150] <<Configuration example 2 of functional layer 520>> The functional layer 520 includes an insulating film 521, an insulating film 518, an insulating film 516, an insulating film 506, and and an insulating film 501C (see FIG. 5(A)).

[0151] The insulating film 521 covers the area sandwiched between the display element 650(i, j) and the insulating film 501C. Prepare.

[0152] The insulating film 518 has a region sandwiched between the insulating film 521 and the insulating film 501C.

[0153] The insulating film 516 has a region sandwiched between the insulating film 518 and the insulating film 501C.

[0154] The insulating film 506 has a region sandwiched between the insulating film 516 and the insulating film 501C.

[0155] [Insulating film 521] For example, insulating inorganic materials, insulating organic materials, or insulating materials containing inorganic and organic materials. The insulating film 521 can be formed using a composite material.

[0156] Specifically, an inorganic oxide film, an inorganic nitride film, an inorganic oxynitride film, or the like, or a film selected from these. A laminated material in which a plurality of such layers are stacked can be used for the insulating film 521.

[0157] For example, a silicon oxide film, a silicon nitride film, a silicon oxynitride film, an aluminum oxide film, etc. Alternatively, a film containing a laminated material in which a plurality of materials selected from these are laminated may be used for the insulating film 521. The silicon nitride film is a dense film and has an excellent function of suppressing the diffusion of impurities. can be.

[0158] For example, polyester, polyolefin, polyamide, polyimide, polycarbonate, Polysiloxane or acrylic resin, or a laminate of multiple resins selected from these A material, a composite material, or the like can be used for the insulating film 521. As a result, the insulating film 521 may be formed using a material such as, for example, This makes it possible to flatten the steps resulting from various structures.

[0159] Polyimide has many advantages, including thermal stability, insulation, toughness, low dielectric constant, low coefficient of thermal expansion, and chemical resistance. It has superior properties compared to other organic materials. It can be suitably used for the insulating film 521 and the like.

[0160] For example, a film formed using a photosensitive material can be used as the insulating film 521. Specifically, a film formed using photosensitive polyimide or photosensitive acrylic resin, etc. The insulating film 521 can be formed using a material selected from the group consisting of fluorine-containing fluorine and fluorine

[0161] [Insulating film 518] For example, the insulating film 518 can contain a material that can be used for the insulating film 521. do.

[0162] For example, it has the function of suppressing the diffusion of oxygen, hydrogen, water, alkali metals, alkaline earth metals, etc. A material having such a property can be used for the insulating film 518. Specifically, a nitride insulating film can be used for the insulating film 518. 8. For example, silicon nitride, silicon nitride oxide, aluminum nitride Aluminum nitride oxide or the like can be used for the insulating film 518. This can suppress the diffusion of impurities into the semiconductor film of the gate electrode.

[0163] [Insulating film 516] For example, the material that can be used for the insulating film 521 can be used for the insulating film 516.

[0164] Specifically, a film formed by a method different from that of the insulating film 518 can be used as the insulating film 516. .

[0165] [Insulating film 506] For example, the material that can be used for the insulating film 521 can be used for the insulating film 506 or the insulating film 501D. It can be used.

[0166] Specifically, silicon oxide film, silicon oxynitride film, silicon nitride oxide film, silicon nitride film film, aluminum oxide film, hafnium oxide film, yttrium oxide film, zirconium oxide film , gallium oxide film, tantalum oxide film, magnesium oxide film, lanthanum oxide film, cerium oxide film The insulating film 506 can be a film containing a neodymium oxide film or a neodymium oxide film.

[0167] [Insulating film 501D] The insulating film 501D has a region sandwiched between the insulating film 501C and the insulating film 516 (FIG. 5(B)).

[0168] For example, the material that can be used for the insulating film 506 can be used for the insulating film 501D. .

[0169] [Configuration example 1 of insulating film 501C] For example, the material that can be used for the insulating film 521 can be used for the insulating film 501C. Specifically, a material containing silicon and oxygen can be used for the insulating film 501C. This makes it possible to suppress the diffusion of impurities into the pixel circuits, display elements, and the like.

[0170] <Display panel configuration example 3.> The display panel 700 also includes a substrate 510, a substrate 770, and a sealing material 705 (FIG. 5 (See (A)).

[0171] 《Base material 510, base material 770》 The base material 770 can be made of a light-transmitting material.

[0172] For example, flexible materials can be used for the substrate 510 and the substrate 770. This makes it possible to provide a flexible display panel.

[0173] For example, a material having a thickness of 0.7 mm or less and 0.1 mm or more can be used. For the casing, materials polished to a thickness of about 0.1 mm can be used. This reduces the weight. It can be reduced.

[0174] For example, 6th generation (1500mm x 1850mm), 7th generation (1870mm x 2200 mm), 8th generation (2200mm x 2400mm), 9th generation (2400mm x 2800 mm), 10th generation (2950mm x 3400mm) and other glass substrates with base material 510 and It can be used for the base material 770. This allows a large display device to be manufactured. .

[0175] The substrate 510 and the substrate 7 are made of an organic material, an inorganic material, or a composite material of an organic material and an inorganic material. Can be used for 70.

[0176] For example, inorganic materials such as glass, ceramics, and metals can be used. Alkali-free glass, soda-lime glass, potash glass, crystal glass, aluminosilicate glass glass, tempered glass, chemically tempered glass, quartz, sapphire, etc., are used as the substrate 510 and the substrate 770. Also, aluminosilicate glass, tempered glass, chemically strengthened glass The substrate 510 is made of glass or sapphire, and the substrate 520 is made of a glass or sapphire. This can be suitably used for the material 770. This prevents damage and scratches to the display panel during use. This can prevent this.

[0177] Specifically, an inorganic oxide film, an inorganic nitride film, an inorganic oxynitride film, or the like can be used. For example, a silicon oxide film, a silicon nitride film, a silicon oxynitride film, an aluminum oxide film Stainless steel or aluminum may be used as the base material 510. and substrate 770.

[0178] For example, a single crystal semiconductor substrate made of silicon or silicon carbide, a polycrystalline semiconductor substrate, a silicon A compound semiconductor substrate such as silicon germanium, an SOI substrate, or the like is used for the base material 510 and the base material 770. This allows semiconductor elements to be formed on the base material 510 and the base material 770. This can be done.

[0179] For example, organic materials such as resin, resin film, or plastic are used for the substrate 510 and the substrate 7. 70. Specifically, polyester, polyolefin, polyamide ( nylon, aramid, etc.), polyimide, polycarbonate, polyurethane or acrylic A material containing a resin, an epoxy resin, or a resin having a siloxane bond is used as the substrate 510 and It can be used for the substrate 770. For example, a resin film, a resin plate or the like containing these materials can be used. Alternatively, laminated materials can be used, which can reduce the weight. For example, this can reduce the frequency of damage caused by dropping.

[0180] Specifically, polyethylene terephthalate (PET), polyethylene naphthalate (PE N), polyethersulfone (PES), cycloolefin polymer (COP) or Cycloolefin copolymer (COC) or the like can be used for the substrate 510 and the substrate 770. can.

[0181] For example, a metal plate, a thin glass plate, or a film of an inorganic material is bonded to a resin film. A composite material such as a fibrous or particulate metal, a glass, or the like can be used for the substrate 770. The base material 770 can be a composite material in which lath or an inorganic material is dispersed in a resin. For example, a composite material in which fibrous or particulate resin or organic material is dispersed in an inorganic material It can be used for the substrate 770.

[0182] Additionally, a single layer material or a multi-layer laminated material can be used for the substrate 770. For example, a material having an insulating film laminated thereon can be used. Specifically, silicon oxide A single layer or a plurality of layers selected from a silicon nitride layer, a silicon oxynitride layer, etc. are laminated. This allows the use of materials that have been treated to prevent the diffusion of impurities contained in the substrate. Or, it can prevent the diffusion of impurities contained in the glass or resin. Alternatively, it is possible to prevent the diffusion of impurities that permeate the resin.

[0183] Furthermore, paper or wood can be used for the substrate 510 and the substrate 770 .

[0184] For example, the substrate 510 and the substrate 520 may be made of a material having heat resistance sufficient to withstand heat treatment during the manufacturing process. Specifically, a transistor or a capacitor element can be directly formed. The substrates 510 and 770 are made of a material that can withstand the heat applied during the manufacturing process. It is possible.

[0185] For example, an insulating film, a transistor, or a The formed insulating film, transistor, or capacitor element is, for example, A method of transferring the substrate 510 and the substrate 770 can be used. An insulating film, a transistor, a capacitor, or the like can be formed on a flexible substrate.

[0186] "Sealant 705" The encapsulant 705 includes an area sandwiched between the functional layer 520 and the substrate 770, and 0 and the substrate 770.

[0187] The sealing material 705 may be an inorganic material, an organic material, or a composite material of an inorganic material and an organic material. can be done.

[0188] For example, an organic material such as a heat-melting resin or a hardening resin may be used as the sealing material 705. can be done.

[0189] For example, reactive curing adhesives, light curing adhesives, heat curing adhesives and / or anaerobic adhesives. The sealant 705 can be an organic material such as an adhesive.

[0190] Specifically, epoxy resin, acrylic resin, silicone resin, phenolic resin, polyimide resin, imide resin, PVC (polyvinyl chloride) resin, PVB (polyvinyl butyrate) Adhesives containing Ethylene Vinyl Acetate (EVA) resin, etc. are used as sealing material 705. You can be there.

[0191] <Configuration Example 4 of Display Panel 700> The display panel 700 has a functional film 770P (see FIG. 5(A)).

[0192] 《Functional membrane 770P, etc.》 The functional film 770P has an area that overlaps with the display element 650(i, j).

[0193] For example, anti-reflection films, polarizing films, retardation films, light diffusion films or light condensing films. A film or the like can be used as the functional film 770P.

[0194] For example, an anti-reflection film having a thickness of 1 μm or less can be used as the functional film 770P. The laminated dielectric layer is preferably 3 or more, more preferably 5 or more, and even more preferably 15 or more. This film can be used as the functional film 770P. This makes it possible to reduce the reflectance to preferably 0.5% or less. can be suppressed to 0.08% or less.

[0195] Specifically, a circularly polarizing film can be used for the functional film 770P.

[0196] In addition, it has an anti-static film that prevents dust from adhering, a water-repellent film that makes it difficult for dirt to adhere, and an anti-reflection film. Anti-reflection film, non-glossy film (anti-glare film), scratches due to use A hard coat film that suppresses the generation of such a problem can be used as the functional film 770P.

[0197] <<Configuration example of display element 650(i, j)>> Display element 650(i,j) has a function of emitting light. For example, a light emitting diode, Organic electroluminescent element, inorganic electroluminescent element or QDLED (Quantum Dot LED) or the like can be used for the display element 650(i, j). Cut.

[0198] For example, a light emitting diode with a horizontal structure or a light emitting diode with a vertical structure may be displayed. It can be used for element 650(i,j).

[0199] This allows a wide range of gradations to be expressed. Or, for example, it can express a wide range of gradations even in a bright environment. As a result, a novel display panel with excellent convenience and reliability can be provided. This can be done.

[0200] For example, a micro LED can be used for the display element 650(i, j). The area of ​​the light-emitting region is 1 mm 2 Less than 10,000 μm, preferably 10,000 μm 2 The following is more preferred: Approximately 3000 μm 2 Less than 700 μm, more preferably 2 The following Micro LEDs are shown: This can be used for display element 650(i,j).

[0201] The display element 650(i, j) includes, for example, a P-type clad layer, an N-type clad layer, and a light-emitting layer. The light emitting layer has a region sandwiched between a P-type clad layer and an N-type clad layer. This allows carriers to be recombined in the light-emitting layer, and Light emission can be obtained.

[0202] For example, a laminated material that emits blue light, a laminated material that emits green light, The laminated material is laminated so as to emit red light or red light. 0(i,j). Specifically, gallium phosphide, gallium hydride, Gallium-aluminum-arsenide, aluminum-gallium-indium compound Phosphorus compounds, indium gallium nitride compounds, etc. are used for the display element 650(i, j). It is possible.

[0203] Color conversion layer A color conversion layer can be used for display element 650(i,j). It has the ability to absorb light of one color and emit light of a different color.

[0204] The color conversion layer has a function of absorbing blue light emitted from the light emitting layer and emitting yellow light, for example. This allows the yellow light emitted by the color conversion layer to be mixed with the blue light that passes through the color conversion layer. As a result, white light can be produced.

[0205] The color conversion layer absorbs, for example, near-ultraviolet light emitted by the light-emitting layer and converts red light, green light, and blue light into This allows the light emitting layer that emits near ultraviolet light to be used as the display element 65. 0(i,j). As a result, near-ultraviolet light can be made into white light. Alternatively, near-ultraviolet light can be converted into light with excellent color rendering properties.

[0206] For example, phosphors can be used in the color conversion layer. Alternatively, quantum dots can be used in the color conversion layer. When quantum dots are used in the color conversion layer, it is possible to emit light with a narrow half-width and vivid colors. It is possible.

[0207] Note that this embodiment mode can be appropriately combined with other embodiment modes shown in this specification. .

[0208] (Embodiment 2) In this embodiment, the structure of a display panel according to one embodiment of the present invention will be described with reference to FIGS. 1, 6, and 7. This will be explained with reference to the following.

[0209] FIG. 7 illustrates a structure of a display panel according to one embodiment of the present invention.

[0210] <Display panel configuration example 4.> The display panel 700 described in this embodiment has a display area 231 (see FIG. 7).

[0211] <<Configuration Example 1 of Display Area 231>> The display area 231 includes a group of pixels 702(i,1) through 702(i,n) and another group of pixels 702(i,1) through 702(i,n). The pixels 702(1,j) to 702(m,j), the scanning line G21(i), and the signal line S 2(i) (see FIG. 7), where i is an integer between 1 and m, and j is an integer between 1 and m. It is an integer equal to or less than n, and m and n are integers equal to or greater than 1.

[0212] Although not shown, the display area 231 has a conductive film VCOM2 and a conductive film ANO. .

[0213] A group of pixels 702(i,1) to 702(i,n) are arranged in the row direction (indicated by arrow R1 in the figure). direction), and a group of pixels 702(i,1) to 702(i,n) are arranged in the pixel 702 Contains (i,j).

[0214] Another group of pixels 702(1,j) to 702(m,j) are arranged in a column direction ( In the figure, a group of pixels 702(1,j) to 70 2(m,j) includes pixel 702(i,j).

[0215] The scanning line G21(i) is a group of pixels 702(i,1) to 702(i,2) arranged in the row direction. (i,n) and electrically connected.

[0216] The signal line S2(j) is connected to another group of pixels 702(1,j) to 702(1,j) arranged in the column direction. 2(m,j) is electrically connected to

[0217] For example, another group of pixels 702(1,j) to 702(m,j) are connected to a selection signal. The image signal, the image signal, and the pulse width control signal are supplied in a predetermined order (see FIG. 4(B) or FIG. 15). (See (B)). This allows the display panel 700 to be driven.

[0218] This allows image information to be provided to multiple pixels, resulting in increased convenience or reliability. It is possible to provide a novel display panel with excellent reliability.

[0219] <<Configuration Example 2 of Display Area 231>> The display area 231 has over 600 pixels per inch.

[0220] This allows for a high-definition image to be displayed, resulting in a highly convenient and reliable display. It is possible to provide a novel display panel.

[0221] <<Configuration Example 3 of Display Area 231>> The display area 231 has a plurality of pixels arranged in a matrix. For example, the display area 231 has 7600 The display area 231 has 4,300 or more pixels in the row direction, and the display area 232 has 4,300 or more pixels in the column direction. Specifically, it has 7680 pixels in the row direction and 4320 pixels in the column direction.

[0222] <<Configuration Example 4 of Display Area 231>> The display area 231 includes a plurality of pixels, each of which displays a color of a specific hue. Alternatively, the plurality of pixels may be used to display a different image than can be displayed by the individual pixels. Colors of different hues can be displayed using additive color mixing.

[0223] In addition, when a plurality of pixels capable of displaying colors with different hues are used for color mixing, Each pixel can be called a sub-pixel. In addition, a group of multiple sub-pixels can be called This can be rephrased as a pixel.

[0224] For example, pixel 702(i,j) can be referred to as a subpixel, and pixel 702(i,j) , pixel 702(i,j+1) and pixel 702(i,j+2) are grouped together, and pixel 703 This can be rephrased as (i, k) (see Figure 1(C)).

[0225] Specifically, a sub-pixel that displays blue, a sub-pixel that displays green, and a sub-pixel that displays red can be used as a set for pixel 703(i,k). A pixel, a sub-pixel that displays magenta, and a sub-pixel that displays yellow are grouped together to form a pixel 7 It can be used for 03(i,k).

[0226] Furthermore, for example, a sub-pixel that displays white or the like can be added to the above set and used in the pixel. do.

[0227] <<Configuration Example 5 of Display Area 231>> The display area 231 includes pixels 702(i,j), 702(i,j+1), and 702(i,j+2). (i, j+2) (see Figure 1(C)).

[0228] The pixel 702(i,j) has a chromaticity x in the CIE 1931 chromaticity coordinates greater than 0.680. It displays colors with a chromaticity of <0.720 and a chromaticity of y between 0.260 and 0.320.

[0229] The pixel 702(i, j+1) has a chromaticity x of 0.130 or more in the CIE 1931 chromaticity coordinates. 0.250 or less, and display colors with chromaticity y greater than 0.710 and less than 0.810.

[0230] The pixel 702(i, j+2) has a chromaticity x of 0.120 or more in the CIE 1931 chromaticity coordinates. 0.170 or less, and display colors with chromaticity y between 0.020 and 0.060.

[0231] In addition, pixel 702(i,j), pixel 702(i,j+1), and pixel 702(i,j+2 ) is used to determine whether the area ratio of the BT.2020 color gamut in the CIE chromaticity diagram (x, y) is 80% or more. Preferably, the surface is provided so that the coverage rate of the color gamut is 75% or more. Prepare to ensure that the loading ratio is 90% or more, or the coverage rate is 85% or more.

[0232] <Display panel configuration example 5.> The display panel 700 described in this embodiment includes a driving circuit GD1, a driving circuit SD, and a driving and a control circuit GD2 (see FIG. 7).

[0233] The drive circuit GD1 supplies a selection signal, and the drive circuit SD supplies an image signal DATA(j). The driver circuit GD2 provides a pulse width control signal MS(i). The circuit GD1 can be used in a display panel 700 to display one or more driver circuits SD. The display panel 700 can be used as a single or multiple driving circuits GD2. It can be used for Nel 700.

[0234] <Driver circuit GD1(A), driver circuit GD1(B)> The driving circuit GD1(A) and the driving circuit GD1(B) can be used for the driving circuit GD1. For example, the driving circuit GD1(A) and the driving circuit GD1(B) are controlled based on the control information. It has the function of supplying a selection signal.

[0235] Specifically, the selection is performed based on the control information at a frequency of 30 Hz or more, preferably 60 Hz or more. This allows smooth display of moving images. It is possible.

[0236] Alternatively, based on the control information, the frequency may be set to less than 30 Hz, preferably less than 1 Hz, more preferably less than 1 Hz. It has a function to supply a selection signal to one scanning line at a frequency of less than once per minute. The camera can display a still image with the camera suppressed.

[0237] In the case where a plurality of drive circuits are provided, for example, the frequency with which the drive circuit GD1(A) supplies the selection signal and the frequency at which the drive circuit GD1(B) supplies the selection signal can be made different. Specifically, a selection signal is supplied to an area displaying a moving image at a frequency higher than the frequency at which a selection signal is supplied to an area displaying a still image. A selection signal can be applied to other areas that display the image. This allows some areas to display a static image with a suppressed effect, while other areas display smoothly moving images. do.

[0238] By the way, the frame frequency can be made variable. For example, it can be set to 12 Hz or higher. It can be displayed at a frame rate of 0 Hz or less. This allows display at a frame frequency of 120 Hz.

[0239] This has resulted in the international standard Recommendation ITU-R BT.202 0-2, it is possible to display extremely high resolution. It can be displayed.

[0240] For example, a bottom gate transistor or a top gate transistor may be driven. Specifically, the transistor MD can be used in the driving circuit GD. This can be done (see Figure 6).

[0241] For example, a semiconductor film used for a transistor of the driver circuit GD is formed in the pixel circuit 530 (i, The insulating film can be formed in the step of forming a semiconductor film used for the transistor (j).

[0242] <Drive circuit SD> The drive circuit SD has a function of generating an image signal based on the information V11 and a function of converting the image signal into a single image signal. It has the function of supplying the signal to a pixel circuit electrically connected to the display element (see FIG. 7).

[0243] For example, various sequential circuits such as shift registers can be used for the drive circuit SD. .

[0244] For example, an integrated circuit formed on a silicon substrate can be used for the driver circuit SD.

[0245] For example, the COG (Chip on Glass) method or the COF (Chip on Fi The lm) method can be used to connect the integrated circuit to the terminals. can be used to connect the integrated circuit to the terminals.

[0246] <Driver circuit GD2(A), driver circuit GD2(B)> The driving circuit GD2(A) and the driving circuit GD2(B) can be used for the driving circuit GD2. For example, the drive circuit GD2(A) and the drive circuit GD2(B) receive control information and information It has the function of supplying a pulse width control signal based on V11.

[0247] This allows image information to be supplied to multiple pixels, or image information to be displayed. As a result, a novel display panel with excellent convenience and reliability can be provided. This can be done.

[0248] Note that this embodiment mode can be appropriately combined with other embodiment modes shown in this specification. .

[0249] (Embodiment 3) In this embodiment, a structure of a display device according to one embodiment of the present invention will be described with reference to FIGS. do.

[0250] 8A and 8B illustrate a structure of a display device according to one embodiment of the present invention. 8B-1 to 8B-3 are block diagrams of a display device according to one embodiment of the present invention. 1 is a projection view illustrating the appearance of the display device.

[0251] <Example of display device configuration> The display device described in this embodiment has a control unit 238 and a display panel 700 (see FIG. 8(A)).

[0252] <<Configuration example of control unit 238>> The control unit 238 is supplied with image information V1 and control information CI, e.g., a clock signal Alternatively, a timing signal or the like can be used as the control information CI.

[0253] The control unit 238 is supplied with the image information V1 and the control information CI, and the control circuit 233 receives the information V1 and the control signal SP. The control unit 238 also generates the information V11 and the control signal SP. Supply.

[0254] For example, the information V11 includes gradations of 8 bits or more, preferably 12 bits or more. For example, the clock signal or start pulse of the shift register used in the drive circuit is controlled. It can be used for the control signal SP.

[0255] Specifically, the control unit 238 includes an expansion circuit 234 and an image processing circuit 235 .

[0256] 《Extension circuit 234》 The expansion circuit 234 has a function of expanding the image information V1 supplied in a compressed state. The decompression circuit 234 includes a storage unit. The storage unit has a function of storing, for example, the decompressed image information. It is equipped with Noh.

[0257] "Image Processing Circuit 235" The image processing circuit 235 includes, for example, a storage area. The storage area stores, for example, image information V1 It has the function of storing information contained in

[0258] The image processing circuit 235 corrects the image information V1 based on a predetermined characteristic curve, for example, to obtain information. It has the function of generating V11 and the function of supplying information V11.

[0259] <<Example of display panel configuration>> The display panel 700 is supplied with information V11 and a control signal SP. Alternatively, the display panel 700 described in Embodiment 2 can be used.

[0260] Also, for example, the control circuit 233 can be used in the display panel 700. The display panel 700 can be used.

[0261] Control circuit 233 The control circuit 233 has a function of generating and supplying a control signal SP. For example, a clock signal Alternatively, a timing signal or the like can be used as the control signal SP. A timing controller can be used in the control circuit 233.

[0262] For example, the control circuit 233 formed on a rigid substrate may be used in the display panel 700. In addition, a control circuit formed on a rigid substrate can be connected by using a flexible printed circuit board. The path 233 and the control unit 238 can be electrically connected.

[0263] <Driver circuit GD1, driver circuit GD2> The driving circuit GD1 operates based on a control signal SP. For example, the driving circuit GD1(A) and The drive circuit GD1(B) is supplied with a control signal SP and has the function of supplying a selection signal. .

[0264] The driving circuit GD2 operates based on the information V11 and the control signal SP. For example, the driving circuit GD2(A) and the driving circuit GD2(B) are supplied with information V11 and a control signal SP. , providing the pulse width control signal MS(i).

[0265] Also, for example, SDA(1), SDA(2), SDB(1), SDB(2), SDC(1 ) and SDC(1) are supplied with the control signal SP and information V11 and provide the image signal. It is possible.

[0266] By using the control signal SP, the operation of multiple drive circuits can be synchronized.

[0267] <<Configuration example of pixel 702(i,j)>> Pixel 702(i,j) is displayed based on information V11.

[0268] This allows image information to be displayed using the display element. This makes it possible to provide a novel display device with excellent reliability. a video receiving system (see Figure 8(B-1)), a video monitor (see Figure 8(B-2)) or A laptop computer (see FIG. 8(B-3)) or the like can be provided.

[0269] Note that this embodiment mode can be appropriately combined with other embodiment modes shown in this specification. .

[0270] (Fourth embodiment) In this embodiment, a configuration of an input / output device of one embodiment of the present invention will be described with reference to FIG. Reveal.

[0271] FIG. 9 is a block diagram illustrating a configuration of an input / output device according to one embodiment of the present invention.

[0272] <Example of input / output device configuration> The input / output device described in this embodiment has an input unit 240 and a display unit 230 (see FIG. 9).

[0273] 《Display section 230》 The display unit 230 includes a display panel. The display panel 700 can be used as the display unit 230. The configuration having the section 230 can be called an input / output panel 700TP.

[0274] <<Configuration Example 1 of Input Unit 240>> The input unit 240 has a detection area 241. The input unit 240 is adjacent to the detection area 241. It has the function to detect.

[0275] The sensing region 241 comprises an area that overlaps with the pixel 702(i,j).

[0276] This allows the display unit to display image information while the area adjacent to the display unit overlaps the image information. Or, a finger placed close to the display can be used as a pointer to detect the position. Alternatively, the location information can be associated with the image information displayed on the display unit. As a result, a novel input / output device with excellent convenience and reliability can be provided. It is possible.

[0277] <<Configuration Example 2 of Input Unit 240>> The input section 240 includes an oscillator circuit OSC and a detection circuit DC (see FIG. 9).

[0278] "Detection Area 241" Sensing region 241 may, for example, comprise one or more sensing elements.

[0279] The sensing region 241 includes a group of sensing elements 775(g,1) through 775(g,q), and another group of detector elements 775(1,h) to 775(p,h). , g is an integer of 1 or more and p or less, h is an integer of 1 or more and q or less, and p and q are 1 or more is an integer.

[0280] A group of sensing elements 775(g,1) to 775(g,q) are , h) and are arranged in the row direction (the direction indicated by the arrow R2 in the figure). The direction may be the same as the direction indicated by the arrow R1, or may be different.

[0281] In addition, another group of detector elements 775(1,h) to 775(p,h) are detector elements 775(g,h) and arranged in the column direction (the direction indicated by arrow C2 in the figure) that intersects with the row direction. will be done.

[0282] Detector Element The detector element has the function of detecting a nearby pointer, such as a finger or a stylus pen. It can be used for a pointer. For example, a metal piece or coil can be used for a stylus pen. You can be there.

[0283] Specifically, there are capacitive proximity sensors, electromagnetic induction proximity sensors, and optical proximity sensors. A resistive film type proximity sensor or the like can be used as the detection element.

[0284] It is also possible to use multiple types of detection elements in combination. For example, a detection element that detects a finger and a , and a detection element that detects a stylus pen can be used in combination.

[0285] This allows the type of pointer to be determined. Based on this, different instructions can be associated with the sensed information. If it is determined that a finger was used, the detection information can be associated with the gesture. If it determines that a stylus pen is used as a pointer, it associates the detection information with the drawing process. It can be done.

[0286] Specifically, a finger can be detected using a capacitance or optical proximity sensor. Alternatively, a stylus pen can be detected using an electromagnetic induction or optical proximity sensor. You can find out.

[0287] Note that this embodiment mode can be appropriately combined with other embodiment modes shown in this specification. .

[0288] (Embodiment 5) In this embodiment, a configuration of a data processing device of one embodiment of the present invention will be described with reference to FIGS. The explanation will be given with reference to the above.

[0289] FIG. 10A is a block diagram illustrating a configuration of a data processing device of one embodiment of the present invention. 10(B) and 10(C) are projection views illustrating an example of the external appearance of the information processing device.

[0290] 11A is a flowchart illustrating a program according to one embodiment of the present invention. FIG. 11( a ) is a flowchart illustrating the main processing of a program according to one aspect of the present invention. 1B) is a flowchart illustrating interrupt processing.

[0291] 12A and 12B are diagrams illustrating a program according to one embodiment of the present invention. 12(B) is a flowchart illustrating an example of program interrupt processing. 12(C) is a schematic diagram illustrating an operation of a data processing device according to one embodiment of the present invention. 10 is a timing chart illustrating the operation of the information processing device.

[0292] <Configuration example 1 of information processing device> The information processing device 200 described in this embodiment includes a calculation device 210, an input / output device 220, and 10A). Note that the input / output device 220 is electrically connected to the arithmetic device 210. The information processing device 200 may also include a housing (see FIG. 10(B)). (See Figure 10(C)).

[0293] <Configuration Example 1 of the Calculation Device 210> The calculation unit 210 is supplied with input information II or detection information DS. Based on the information II or the detection information DS, control information CI and image information V1 are generated and The control information CI and the image information V1 are supplied.

[0294] The arithmetic device 210 includes a calculation unit 211 and a storage unit 212. , a transmission path 214 and an input / output interface 215 .

[0295] The transmission line 214 is connected to the calculation unit 211, the storage unit 212, and the input / output interface 215. are electrically connected.

[0296] 《Calculation section 211》 The calculation unit 211 has a function of executing a program, for example.

[0297] 《Storage section 212》 The storage unit 212 stores, for example, a program executed by the calculation unit 211, initial information, setting information, or It has the function of storing images, etc.

[0298] Specifically, a hard disk, a flash memory, or a transistor including an oxide semiconductor A memory using the above method can be used.

[0299] Input / output interface 215, transmission path 214 The input / output interface 215 includes terminals or wiring, and is used to supply information and receive information. The input / output interface 215 is electrically connected to the transmission line 214, for example. The input / output interface 215 can be electrically connected to the input / output device 220. can be effectively connected.

[0300] The transmission path 214 has wiring and functions to supply information and receive information. 4 can be electrically connected to, for example, the input / output interface 215. The transmission path 214 is a power line between the calculation unit 211, the storage unit 212, or the input / output interface 215. can be electrically connected.

[0301] <<Configuration Example of Input / Output Device 220>> The input / output device 220 provides input information II and sensed information DS. , control information CI and image information V1 are supplied (see FIG. 10(A)).

[0302] For example, keyboard scan codes, location information, button operation information, audio information or images Image information or the like can be used as the input information II. Information on the environment in which it is used, such as illumination, posture, acceleration, direction, pressure, and temperature. Alternatively, humidity information or the like can be used as the detection information DS.

[0303] For example, a signal for controlling the luminance of the image information V1, a signal for controlling the saturation, a signal for controlling the hue, Alternatively, a signal for controlling the display of a part of the image information V1 can be used as the control information CI. A varying signal can be used for the control information CI.

[0304] The input / output device 220 includes a display unit 230, an input unit 240, a detection unit 250, and a communication unit 290. For example, the input / output device described in the fourth embodiment can be used.

[0305] <<Configuration example of display unit 230>> The display unit 230 displays the image information V1 based on the control information CI.

[0306] The display unit 230 includes a control unit 238, a drive circuit GD, a drive circuit SD, and a display panel 700. For example, the display device described in the third embodiment may have a display unit 2 Can be used for 30.

[0307] <<Configuration example of input unit 240>> The input unit 240 generates input information II. For example, the input unit 240 supplies position information P1. It has the function to do this.

[0308] For example, a human interface or the like can be used as the input unit 240 (see FIG. 10( See A). Specifically, keyboard, mouse, touch sensor, microphone, camera, etc. It can be used for the input unit 240.

[0309] Also, a touch sensor having an area overlapping the display unit 230 can be used. The input / output device has a touch sensor that has a display unit 230 and an area that overlaps the display unit 230. It can be called a touch panel or touch screen.

[0310] For example, the user can use a finger that touches the touch panel as a pointer to perform various gestures (tabbing). You can move the cursor (click, drag, swipe or pinch in, etc.).

[0311] For example, the computing device 210 analyzes information such as the position or trajectory of a finger touching the touch panel. When the analysis result satisfies a predetermined condition, it is assumed that a predetermined gesture has been provided. This allows the user to select a specific gesture that is pre-associated with the specific gesture. Operation instructions can be provided using the gestures.

[0312] For example, the user can issue a "scroll command" to change the display position of image information by tapping. The gesture can be provided by moving a finger along the touch panel. .

[0313] <<Configuration example of the detection unit 250>> The detection unit 250 generates the detection information DS. For example, the detection unit 250 The device has a function to detect the illuminance of the environment in which it is used and a function to supply illuminance information.

[0314] The detection unit 250 has a function of detecting the surrounding conditions and supplying the detection information. Illuminance information, posture information, acceleration information, direction information, pressure information, temperature information, humidity information, etc. can be provided.

[0315] For example, photodetectors, attitude detectors, acceleration sensors, orientation sensors, GPS (Global Positioning System) Positioning System) signal receiving circuit, pressure sensor, temperature sensor, humidity sensor A sensor, a camera, or the like can be used for the detection unit 250.

[0316] Communications Department 290 The communication unit 290 has the function of supplying information to the network and acquiring information from the network. Prepare.

[0317] 《Case》 The housing has a function of housing the input / output device 220 or the arithmetic unit 210. The housing has a function of supporting the display unit 230 or the computing device 210 .

[0318] This allows the control information to be generated based on the input information or the detected information. Alternatively, image information may be displayed based on input or sensed information. The information processing device is subjected to a shock that is received by the housing of the information processing device in the environment in which the information processing device is used. The user of the information processing device can operate by grasping the intensity of the light. As a result, a new information processing device with excellent convenience and reliability can be provided. can be provided.

[0319] These components cannot be clearly separated, and one component may also serve as another component. For example, a touch panel in which a touch sensor is superimposed on a display panel may include a part of the , which is both a display unit and an input unit.

[0320] <Configuration Example 2 of the Calculation Device 210> The arithmetic unit 210 includes an artificial intelligence unit 213 (see FIG. 10(A)). , and generates control information CI based on input information II or sensed information DS.

[0321] [Natural Language Processing for Input Information II] Specifically, the artificial intelligence unit 213 performs natural language processing on the input information II and extracts the following from the entire input information II: For example, the artificial intelligence unit 213 can extract one feature from the input information II. It is possible to infer emotions and other such things and turn them into features. The artificial intelligence unit 213 can infer the color, pattern, font, etc. that is perceived by the user. generates information specifying the color, pattern or font of characters, and information specifying the color or pattern of the background. This can be used for control information CI.

[0322] Specifically, the artificial intelligence unit 213 performs natural language processing on the input information II and extracts the information contained in the input information II. For example, the artificial intelligence unit 213 can extract some words that are likely to be used. The artificial intelligence unit 213 can extract expressions containing false beliefs or emotions. Generates control information CI that displays the output part in a different color, pattern, font, etc. from the other part. and can be used for control information CI.

[0323] [Image processing for input information II] Specifically, the artificial intelligence unit 213 performs image processing on the input information II to obtain one For example, the artificial intelligence unit 213 may extract features from the image of the input information II. The characteristics can be inferred and used as features, such as the age, indoors or outdoors, day or night, etc. The control information for inferring the color tone that is empirically felt to be suitable for the display is then used. Specifically, the color used to express the shading (for example, full color) can be generated. Information specifying the color (e.g., black and white, dark brown, etc.) can be used in the control information CI.

[0324] Specifically, the artificial intelligence unit 213 performs image processing on the input information II to It is possible to extract a part of an image. For example, a boundary between the extracted part of the image and another part of the image can be created. Specifically, control information CI can be generated that displays a part of the extracted image. It is possible to generate control information CI that displays a rectangle containing the

[0325] [Inference using detected information DS] Specifically, the artificial intelligence unit 213 can generate an inference RI using the detection information DS. Alternatively, based on the inference RI, it is possible to determine whether the user of the information processing device 200 feels comfortable. The control information CI can be generated so that

[0326] Specifically, based on the illuminance of the environment, the artificial intelligence unit 213 determines whether the display brightness is comfortable. It is possible to generate control information CI that adjusts the brightness of the display so that the user feels that the display is brighter. Alternatively, the artificial intelligence unit 213 may determine whether the sound level is comfortable based on the noise level of the environment. In addition, control information CI for adjusting the volume can be generated.

[0327] The clock signal or timing signal supplied to the control unit 238 included in the display unit 230 Alternatively, the control unit 248 included in the input unit 240 may use the following as the control information CI: The control information CI can be a clock signal or a timing signal supplied to the .

[0328] <Configuration example 2 of information processing device> Another configuration of a data processing device of one embodiment of the present invention is shown in FIGS. 11A and 11B. The explanation will be given with reference to the above.

[0329] "program" A program according to one embodiment of the present invention includes the following steps (see FIG. 11(A)).

[0330] [First Step] In the first step, the settings are initialized (see FIG. 11(A)(S1)).

[0331] For example, predetermined image information to be displayed at startup and a predetermined mode in which the image information is displayed; and information specifying a predetermined display method for displaying the image information, from the storage unit 212. Specifically, one still image or other moving image information can be used as the predetermined image information. Also, the first mode or the second mode can be used for a predetermined mode.

[0332] [Second step] In the second step, interrupt processing is permitted (see FIG. 11(A)(S2)). The processor that is allowed to process the interrupt can process the interrupt in parallel with the main processing. The processing unit that returns to the main processing from the interrupt processing can This can be reflected in the main processing.

[0333] When the counter value is the initial value, the arithmetic unit is caused to perform an interrupt process. When returning from the program, the counter may be set to a value other than the initial value. After starting up, you can always have the interrupt process run.

[0334] [Third Step] In the third step, the predetermined The image information is displayed using the mode or a predetermined display method (see FIG. 11(A)(S3)). The predetermined mode specifies the mode in which information is displayed, and the predetermined display method specifies the image information. Also, for example, image information V1 can be used as information to be displayed. Cut.

[0335] For example, one way of displaying image information V1 can be associated with a first mode. Alternatively, other ways of displaying the image information V1 can be associated with the second mode. This allows the display method to be selected based on the selected mode.

[0336] First Mode Specifically, a selection signal is applied to one scanning line at a frequency of 30 Hz or more, preferably 60 Hz or more. The method of providing the display based on the selection signal can be associated with the first mode.

[0337] For example, if a selection signal is supplied at a frequency of 30 Hz or more, preferably 60 Hz or more, a moving image The movement can be displayed smoothly.

[0338] For example, if the image is updated at a frequency of 30 Hz or more, preferably 60 Hz or more, the user's operation The image that changes smoothly in accordance with the user's operation is displayed on the information processing device 200 that the user is operating. It can be shown.

[0339] Second Mode Specifically, the frequency is less than 30 Hz, preferably less than 1 Hz, and more preferably less than once per minute. The method of supplying a selection signal to one scanning line at a time and displaying based on the selection signal is called the second mode. It can be associated with a

[0340] A selection signal at a frequency of less than 30 Hz, preferably less than 1 Hz, and more preferably less than once per minute. By supplying the above, it is possible to display a picture with reduced flicker or flicker. Power consumption can be reduced.

[0341] For example, when the information processing device 200 is used as a clock, the frequency is once per second or once per minute. The display can be updated with frequency, etc.

[0342] Incidentally, when a light-emitting element is used as a display element, the light-emitting element is made to emit light in a pulsed manner. Specifically, the organic EL element emits light in a pulsed manner, and image information can be displayed. The afterglow can be used for display. This may shorten the time for driving the light emitting element and reduce power consumption. In this case, heat generation is suppressed, and therefore deterioration of the light-emitting element can be reduced in some cases.

[0343] [Fourth step] In the fourth step, if a termination command is provided, the process proceeds to the fifth step. If no value is supplied, the process proceeds to the third step (FIG. 11(A)(S4) reference).

[0344] For example, the termination command supplied in the interrupt process may be used for the determination.

[0345] [5th ​​step] In the fifth step, the process ends (see FIG. 11(A)(S5)).

[0346] Interrupt handling The interrupt process comprises the following steps 6 to 8 (see FIG. 11(B)). .

[0347] [Sixth step] In the sixth step, for example, the detection unit 250 is used to detect whether the information processing device 200 is being used. The illuminance of the environment is detected (see FIG. 11(B)(S6)). The color temperature and chromaticity of the ambient light may also be detected.

[0348] [Seventh step] In the seventh step, a display method is determined based on the detected illuminance information (FIG. 11(B) ) (See S7)). For example, the brightness of the display should not be too dark or too bright. is decided.

[0349] If the color temperature or chromaticity of the ambient light is detected in the sixth step, the display The color may be adjusted.

[0350] [Eighth Step] In the eighth step, the interrupt process ends (see FIG. 11(B) (S8)).

[0351] <Configuration example 3 of information processing device> Another configuration of a data processing device of one embodiment of the present invention will be described with reference to FIG.

[0352] FIG. 12A is a flowchart illustrating a program according to one embodiment of the present invention. (A) is a flowchart illustrating an interrupt process different from the interrupt process shown in FIG. 11(B). It is a chart.

[0353] The information processing device of the third example configuration changes the mode based on a given event. The interrupt process includes a step for performing the above-mentioned operation. This section will explain the differences in detail and explain how to use a similar configuration. The above explanation will be used for the parts that can be described.

[0354] Interrupt handling The interrupt process comprises the following steps 6 to 8 (see FIG. 12(A)). .

[0355] [Sixth step] In the sixth step, if a predetermined event is provided, the process proceeds to the seventh step; If the predetermined event is not provided, proceed to the eighth step (FIG. 12(A) (U6 For example, you can use the condition whether a specific event was provided within a specific period. Specifically, it is possible to perform the above-mentioned operation for 5 seconds or less, 1 second or less, or 0.5 seconds or less, preferably 0.1 seconds or less. The predetermined period may be a period longer than 0 seconds.

[0356] [Seventh step] In the seventh step, the mode is changed (see FIG. 12(A)(U7)). Specifically, If you have selected the first mode, select the second mode, and then select the second mode. If so, select the first mode.

[0357] For example, the display mode can be changed for a part of the area of ​​the display unit 230. Specifically, the drive circuit GD1(A), the drive circuit GD1(B), and the drive circuit GD1(C) are provided. The display mode is changed for an area to which one of the driving circuits of the display unit 230 supplies a selection signal. This can be done (see FIG. 12(B)).

[0358] For example, the input section 24 in the area overlapping the area where the drive circuit GD1(B) supplies the selection signal When a predetermined event is supplied to the driver GD1(B), the driver GD1(B) supplies a selection signal. The display mode of the area can be changed (see Figure 12(B) and Figure 12(C)). Specifically, in response to a "tap" event supplied to the touch panel using a finger or the like, a drive circuit The frequency of the selection signal supplied by GD1(B) can be changed.

[0359] The signal GCLK is a clock signal that controls the operation of the drive circuit GD1(B). The signals PWC1 and PWC2 are signals that control the operation of the drive circuit GD1(B). The circuit GD1(B) is selected based on the signal GCLK, the signal PWC1, the signal PWC2, etc. A selection signal is supplied to the scanning lines G21(m+1) through G21(2m).

[0360] This allows, for example, the drive circuit GD1(A) and the drive circuit GD1(C) to supply a selection signal. The drive circuit GD1(B) can supply the selection signal without supplying the selection signal. The display of the area where the drive circuit GD1(A) and the drive circuit GD1(C) supply the selection signal is changed. The display in the area to which the drive circuit GD1(B) supplies the selection signal can be updated without Alternatively, the power consumed by the drive circuit can be reduced.

[0361] [Eighth Step] In the eighth step, the interrupt process is completed (see FIG. 12(A)(U8)). The interrupt process may be repeatedly executed during the period when the main process is being executed.

[0362] 《Specified Events》 For example, "click" and "drag" operations are performed using a pointing device such as a mouse. Events such as "tap" and "drag" are supplied to the touch panel using a finger as a pointer. Events such as "click" or "swipe" can be used.

[0363] Also, for example, the position of the slide bar pointed by the pointer, the speed of the swipe, the speed of the drag, The degree or the like can be used to provide arguments for the command associated with a given event.

[0364] For example, the information detected by the detection unit 250 is compared with a preset threshold value, and the comparison result is can be used for events.

[0365] Specifically, a pressure-sensitive detector that comes into contact with a button or the like that is arranged so that it can be pressed into the housing. etc. can be used in the detection unit 250.

[0366] Commands associated with specific events For example, the termination command may be associated with a predetermined event.

[0367] For example, the "page turning" function is used to switch the display from one image information to another. The "page turn command" can be associated with a specific event. The arguments that determine the page turning speed, etc., used when executing are passed using a specified event. can be given.

[0368] For example, the display position of a part of one image information is moved to display a part of the image information that is continuous with the part. You can associate a "scroll command" to display other parts with a specified event. In addition, it determines the speed at which the display moves when executing the "scroll command." Arguments can be provided with a given event.

[0369] For example, a command to set a display method or a command to generate image information is generated as a predetermined event. It is possible to associate the argument that determines the brightness of the generated image with a specific event. In addition, the argument that determines the brightness of the generated image can be associated with the The determination may be based on the brightness of the environment detected by the 50 .

[0370] For example, information distributed using a push-type service can be acquired using the communication unit 290. An instruction to execute a command can be associated with a given event.

[0371] The qualification to obtain information is determined using the location information detected by the detection unit 250. Specifically, a person who is in a designated classroom, school, conference room, company, building, or other area may This may allow a school or The information processing device 200 can be used as a textbook or the like by receiving teaching materials distributed in classrooms at universities, etc. (See Figure 10(C)). Or, you can receive materials distributed in a conference room of a company, etc. , and can be used for conference materials.

[0372] Note that this embodiment mode can be appropriately combined with other embodiment modes shown in this specification. .

[0373] (Embodiment 6) In this embodiment, the configuration of a data processing device of one embodiment of the present invention will be described with reference to FIGS. 13 and 14. This will be explained with reference to the following.

[0374] 13 and 14 are diagrams illustrating the configuration of an information processing device according to one embodiment of the present invention. 3(A) is a block diagram of an information processing device, and FIG. 13(B) to FIG. 13(E) are diagrams showing the information processing device. 14(A) to 14(E) are perspective views for explaining the configuration of the information processing device. FIG. 2 is a perspective view illustrating the configuration of the device.

[0375] <Information processing device> The information processing device 5200B described in this embodiment includes an arithmetic unit 5210 and an input / output unit 5211. 220 (see FIG. 13(A)).

[0376] The arithmetic unit 5210 has a function of receiving operation information, and generates image information based on the operation information. It has the function of supplying

[0377] The input / output device 5220 includes a display unit 5230, an input unit 5240, a detection unit 5250, a communication unit 52 90, and has a function of supplying operation information and a function of supplying image information. The input / output device 5220 has a function of supplying detection information, a function of supplying communication information, and a function of It has the function of providing information.

[0378] The input unit 5240 has a function of supplying operation information. For example, the input unit 5240 is an information processing The control unit 5200B supplies operation information based on the operation of the user of the control unit 5200B.

[0379] Specifically, keyboards, hardware buttons, pointing devices, and touch sensors , an illumination sensor, an imaging device, a voice input device, a gaze input device, a posture detection device, etc., are included in the input unit 5. It can be used for 240.

[0380] The display unit 5230 has a display panel and a function for displaying image information. The display panel described in the first embodiment or the second embodiment can be used as the display unit 5230. Cut.

[0381] The detection unit 5250 has a function of supplying detection information. It has the function of detecting the surrounding environment and providing the detected information.

[0382] Specifically, it detects illuminance sensors, imaging devices, posture detection devices, pressure sensors, human presence sensors, etc. It can be used in part 5250.

[0383] The communication unit 5290 has a function of receiving and supplying communication information. It has the function of connecting to other electronic devices or communication networks via wired or wired communication. It has functions such as wireless intranet communication, telephone communication, and short-range wireless communication.

[0384] <<Configuration Example 1 of Information Processing Device>> For example, an outer shape along a cylindrical pillar or the like can be applied to the display unit 5230 (see FIG. 13 (See (B)). It also has a function to change the display method depending on the illuminance of the usage environment. It has a function to detect the presence of people and change the display content. It can be installed on a pillar, or it can display advertisements or information, etc. It can be used for digital signage, etc.

[0385] <<Configuration Example 2 of Information Processing Device>> For example, it has a function to generate image information based on the trajectory of a pointer used by the user ( (See Figure 13(C)). Specifically, the diagonal length is 20 inches or more, preferably 40 inches. A display panel of 8 inches or more, more preferably 55 inches or more, can be used. Multiple display panels can be arranged to form one display area. This allows for the use of multi-screen displays, such as electronic whiteboards and It can be used for sub-bulletin boards, electronic signs, etc.

[0386] "Configuration example 3 of information processing device" For example, it has a function to change the display method depending on the illuminance of the usage environment (see Figure 13(D)). ) This can reduce the power consumption of a smartwatch, for example. For example, the image can be scanned so that it can be used suitably in an environment with strong external light, such as outdoors on a clear day. It can be displayed on the smart watch.

[0387] "Configuration example 4 of information processing device" The display unit 5230 has, for example, a curved surface that curves gently along the side of the housing (see FIG. 13( Alternatively, the display unit 5230 may include a display panel, and the display panel may include, for example, a front This allows you to display the information on the front and side of your mobile phone. Image information can be displayed on the sides and top without any need for a display.

[0388] "Configuration Example 5 of Information Processing Device" For example, it has a function to change the display method depending on the illuminance of the usage environment (see Figure 14(A)). ) This can reduce the power consumption of smartphones. The image can be easily transferred to a smartphone so that it can be used in bright outdoor environments such as on a sunny day. It can be displayed on the

[0389] "Configuration Example 6 of Information Processing Device" For example, it has a function to change the display method depending on the illuminance of the usage environment (see Figure 14(B)). This allows the unit to be used effectively even when exposed to strong external light that shines indoors on a sunny day. The video can then be displayed on a television system.

[0390] <<Configuration Example 7 of Information Processing Device>> For example, it has a function to change the display method depending on the illuminance of the usage environment (see Figure 14(C)). This allows the device to be used effectively even in environments with strong external light, such as outdoors on a clear day. Thus, the image can be displayed on the tablet computer.

[0391] "Configuration Example 8 of Information Processing Device" For example, it has a function to change the display method depending on the illuminance of the usage environment (see Figure 14(D)). This allows for optimal viewing even in environments with strong external light, such as outdoors on a clear day. Thus, the subject can be displayed on the digital camera.

[0392] "Configuration Example 9 of Information Processing Device" For example, it has a function to change the display method depending on the illuminance of the usage environment (see FIG. 14(E)). This allows the device to be used effectively even in environments with strong external light, such as outdoors on a clear day. Thus, the image can be displayed on a personal computer.

[0393] Note that this embodiment mode can be appropriately combined with other embodiment modes shown in this specification. .

[0394] For example, in this specification, when it is explicitly stated that X and Y are connected, In this case, X and Y are electrically connected, and X and Y are functionally connected. The case where X and Y are directly connected is also considered to be disclosed in this specification. Therefore, the present invention is not limited to the predetermined connection relationships, for example, the connection relationships shown in the drawings or text. Connections other than those shown in the drawings or text are also considered to be disclosed in the drawings or text. do.

[0395] Here, X and Y are the object (for example, a device, an element, a circuit, a wiring, an electrode, a terminal, a conductive film, a layer, etc.). , etc.).

[0396] An example of a direct connection between X and Y is a circuit that allows electrical connection between X and Y. The elements to be considered (e.g., switches, transistors, capacitance elements, inductors, resistance elements, When no external device (such as a diode, display element, light-emitting element, or load) is connected between X and Y, The elements that allow electrical connection between X and Y (e.g., switches, transistors, capacitors) elements, inductors, resistors, diodes, display elements, light-emitting elements, loads, etc.) , X and Y are connected.

[0397] An example of an electrical connection between X and Y is The elements to be considered (e.g., switches, transistors, capacitance elements, inductors, resistance elements, One or more devices (such as diodes, display elements, light-emitting elements, and loads) can be connected between X and Y. It is possible. The switch has a function to control on / off. A switch can be in a conducting state (ON state) or a non-conducting state (OFF state), allowing current to flow. The switch has the function of controlling whether or not the current flows. When X and Y are electrically connected, This includes the case where Y is directly connected.

[0398] An example of a functional connection between X and Y is a function that allows the functional connection between X and Y. Circuits that perform the above functions (for example, logic circuits (inverters, NAND circuits, NOR circuits, etc.), signal conversion conversion circuits (DA conversion circuits, AD conversion circuits, gamma correction circuits, etc.), potential level conversion circuits (voltage power supply circuits (voltage boost circuits, voltage drop circuits, etc.), level shifter circuits that change the signal potential level, etc.) , voltage source, current source, switching circuit, amplifier circuit (which can increase the signal amplitude or current amount, etc.) circuits, operational amplifiers, differential amplifier circuits, source follower circuits, buffer circuits, etc.), signal generation One or more circuits (e.g., memory circuits, control circuits, etc.) can be connected between X and Y. For example, even if another circuit is inserted between X and Y, the signal output from X If X is transmitted to Y, then X and Y are considered to be functionally connected. When X and Y are functionally connected, there is a direct connection between X and Y and a direct connection between X and Y. This also includes the case where the and are electrically connected.

[0399] In addition, if it is explicitly stated that X and Y are electrically connected, are electrically connected (i.e., there is another element or circuit between X and Y) X and Y are functionally connected (i.e., X and Y are functionally connected) and (When there is a functional connection between them via another circuit) and when X and Y are directly connected (i.e., when X and Y are connected without any other element or circuit between them) is considered to be disclosed in the present specification. If it is explicitly stated that it is connected, The same content is considered to be disclosed in the present specification.

[0400] For example, if the source (or first terminal, etc.) of the transistor is connected via Z1 (or (not shown), electrically connected to X, and the drain (or second terminal, etc.) of the transistor is connected to Z 2 (or not), and is electrically connected to Y, or the source of the transistor (or the first terminal, etc.) is directly connected to a part of Z1, and another part of Z1 is directly connected to X. The drain (or second terminal, etc.) of the transistor is directly connected to a part of Z2. and another part of Z2 is directly connected to Y, It is possible to do so.

[0401] For example, "X and Y and the source (or first terminal, etc.) and drain (or second terminal, etc.) of a transistor" The terminals of the transistor (or the first terminal) are electrically connected to each other. 1 terminal, etc.), the drain of the transistor (or the second terminal, etc.), and Y. It can be expressed as "connected to the source (or the first The first terminal of the transistor is electrically connected to X, and the drain of the transistor is electrically connected to the second terminal of the transistor. The transistor source (or first terminal, etc.) is electrically connected to Y, and the transistor source (or first terminal, etc.) is electrically connected to X. The drain (or second terminal, etc.) of the transistor, Y, is electrically connected in this order. " Alternatively, "X is the source (or first terminal, etc.) of the transistor. and the drain (or second terminal, etc.) are electrically connected to Y, and X, the source (or first terminal, etc.) of a transistor, the drain (or second terminal, etc.) of a transistor ), Y is provided in this order of connection. By specifying the order of connections in the circuit configuration using a simple expression method, Distinguish between the source (or first terminal, etc.) and the drain (or second terminal, etc.) of a transistor. The technical scope can be determined by the above.

[0402] Alternatively, for example, "the source (or first terminal, etc.) of a transistor" is electrically connected to X through at least a first connection path, and the first connection path is , and the second connection path is a transistor through a transistor. The source (or first terminal, etc.) of the transistor and the drain (or second terminal, etc.) of the transistor The first connection path is a path via Z1, and the second connection path is a path between the first and second transistors. The drain (or second terminal, etc.) of the capacitor is electrically connected to Y through at least a third connection path. the third connection path does not have the second connection path, and the third connection path The connection path is the path via Z2. The source (or first terminal, etc.) of the resistor is connected to the resistor via Z1 by at least the first connection path. and electrically connected to X, and the first connection path does not have a second connection path; The second connection path has a connection path through a transistor, and (or the second terminal, etc.) is connected to Y via Z2 by at least a third connection path. The third connection path does not have the second connection path. Alternatively, the source (or first terminal, etc.) of the transistor may be at least The first electrical path is electrically connected to X through Z1. The primary path does not have a second electrical path, and the second electrical path is a From the source (or first terminal, etc.) to the drain (or second terminal, etc.) of the transistor The drain (or second terminal, etc.) of the transistor is connected to at least a third The third electrical path is electrically connected to Y through Z2. , does not have a fourth electrical path, and the fourth electrical path is (or second terminal, etc.) to the source (or first terminal, etc.) of the transistor. Using the same expression as these examples, the circuit configuration By defining the connection path in Distinguishing between the first terminal (or the second terminal, etc.) and the drain (or the second terminal, etc.) to determine the technical scope. can be done.

[0403] These representation methods are merely examples, and the present invention is not limited to these representation methods. , Y, Z1, Z2 are objects (e.g., devices, elements, circuits, wiring, electrodes, terminals, conductive films, layer, etc.).

[0404] In addition, the circuit diagram shows independent components as if they are electrically connected to each other. Even if the components are different, one component may have the functions of multiple components. For example, when a part of the wiring also functions as an electrode, one conductive film functions as both the wiring and the electrode. Therefore, the electrode in this specification has the functions of both components. The term "electromagnetic connection" refers to a case where one conductive film has the functions of multiple components. This also falls within the scope of the above. [Explanation of symbols]

[0405] ANO: Conductive film, C21: Capacitor element, CI: Control information, DATA: Image signal, DS: Detection information, G21: scanning line, G22: control line, GCLK: signal, II: input information, MS(i) : Control signal, P1: Position information, PWC1: Signal, PWC2: Signal, S2: Signal line, SP: Control signal, SW21: switch, SW22: switch, V1: image information, V11: information, VCOM2: Conductive film, VCOM3: Conductive film, V out (i,j): Output potential, 200: Information Information processing device, 210: arithmetic device, 211: arithmetic unit, 212: memory unit, 213: artificial intelligence unit , 214: Transmission path, 215: Input / output interface, 220: Input / output device, 230: Table Display unit, 231: display area, 233: control circuit, 234: expansion circuit, 235: image processing circuit , 238: control unit, 240: input unit, 241: detection area, 248: control unit, 250: detection unit, 290: communication unit, 501C: insulating film, 501D: insulating film, 504: conductive film, 506: Insulating film, 508: semiconductor film, 508A: region, 508B: region, 508C: region, 510 : substrate, 512A: conductive film, 512B: conductive film, 516: insulating film, 518: insulating film, 52 0: functional layer, 521: insulating film, 524: conductive film, 530: pixel circuit, 541(i,j): Terminal, 541(i,j)B: Bonding layer, 542: Terminal, 542B: Bonding layer, 591A: Opening unit, 650: display element, 700: display panel, 700TP: input / output panel, 702: pixel 703: pixel, 705: sealing material, 770: substrate, 770P: functional film, 775: sensing element , 5200B: information processing device, 5210: calculation device, 5220: input / output device, 5230: Display unit, 5240: Input unit, 5250: Detection unit, 5290: Communication unit

Claims

1. Pixels, the pixel comprises a pixel circuit and a display element; the display element is electrically connected to the pixel circuit; the pixel circuit is supplied with a selection signal, an image signal, and a pulse width control signal; the pixel circuit has a function of supplying an output potential; the pixel circuit has a function of determining a period for supplying the output potential based on the pulse width control signal; the pixel circuit comprises a first switch and a first transistor; the first transistor comprises a first electrode, a second electrode, a first gate electrode, and a second gate electrode; the first switch has a function of supplying the image signal based on the selection signal; the first transistor has a function of determining the output potential based on the image signal; the output potential is output from the first electrode; the first gate electrode is supplied with the image signal; the second gate electrode is supplied with the pulse width control signal; In a cross section of the pixel, the upper surface, the side surface, and the lower surface of the display element are surrounded by a sealing material; The display panel, wherein one electrode and the other electrode of the display element are provided so as to be in contact with the sealing material.

2. Pixels, the pixel comprises a pixel circuit and a display element; the display element is electrically connected to the pixel circuit; the pixel circuit is supplied with a selection signal, an image signal, and a pulse width control signal; the pixel circuit has a function of supplying an output potential; the pixel circuit has a function of determining a period for supplying the output potential based on the pulse width control signal; the pixel circuit includes a first switch, a second switch, and a first transistor; the first transistor comprises a first electrode, a second electrode, and a first gate electrode; the first switch has a function of supplying the image signal based on the selection signal; the second switch has a function of controlling the potential of the first gate electrode based on the pulse width control signal; the first transistor has a function of determining the output potential based on the image signal; the output potential is output from the first electrode; the first gate electrode is supplied with the image signal; In a cross section of the pixel, the upper surface, the side surface, and the lower surface of the display element are surrounded by a sealing material; The display panel, wherein one electrode and the other electrode of the display element are provided so as to be in contact with the sealing material.

3. the display element has a function of emitting light, 3. The display panel according to claim 1, wherein the display element has a function of changing the intensity of the light based on the output potential.

4. The display panel according to claim 1 or 2, wherein the display elements are micro LEDs.

Images