A display panel and display device

Abstract

This invention provides a display panel and a display device. The display panel includes scan lines, data lines, and pixel units. The data lines include a first type of data line and a second type of data line. The first type of data line is connected to a first data voltage, and the second type of data line is connected to a second data voltage. The values ​​of the first data voltage and the second data voltage are different. The odd-numbered scan lines and the first type of data lines input signals to the odd-numbered pixel units, and the even-numbered scan lines and the second type of data lines input signals to the even-numbered pixel units. By changing the power supply method of the designed driving circuit, the pixel units of the odd and even rows are differentially powered, causing the liquid crystal to form different angles during the alignment process, resulting in an eight-domain alignment display effect.

Description

Technical Field

[0001] This invention relates to the field of display technology, and more specifically to a display panel and a display device. Background Technology

[0002] With the rapid development of Liquid Crystal Displays (LCDs), in high-generation polymer-stabilized vertically aligned liquid crystal (PSVA) technology, electro-alignment of the liquid crystals allows a pixel to be divided into multiple oriented regions. The different arrangement of these regions results in symmetrical orientation of the liquid crystal molecules, creating optical complementarity and thus increasing the viewing angle. Existing eight-domain alignment designs require a three-thin-film transistor (TFT) architecture, making the process and manufacturing requirements more complex. Summary of the Invention

[0003] This invention provides a display panel and display device that achieves a multi-domain alignment display effect by differentially powering the liquid crystal alignment process, thereby reducing process complexity and manufacturing requirements.

[0004] This invention provides a display panel, comprising:

[0005] The scan lines are provided in multiple ways, and the scan lines are arranged along the column direction. The scan lines include odd-numbered row scan lines and even-numbered row scan lines.

[0006] The data line includes multiple data lines arranged along the row direction. The data lines include a first type of data line and a second type of data line. The first type of data line is connected to a first data voltage, and the second type of data line is connected to a second data voltage. The values ​​of the first data voltage and the second data voltage are different. The data lines intersect with the scan lines to form multiple pixel areas.

[0007] A pixel unit, wherein the pixel unit is disposed within the pixel region, and the pixel unit is arranged in an array;

[0008] Specifically, the odd-numbered scan lines and the first type of data lines input signals to the odd-numbered pixel units, while the even-numbered scan lines and the second type of data lines input signals to the even-numbered pixel units.

[0009] In some embodiments, the first type of data lines and the second type of data lines are arranged alternately along the row direction, and the pixel region is formed by the intersection of the first type of data lines and the adjacent second type of data lines with the scan lines.

[0010] In some embodiments, the pixel unit includes a red pixel unit, a green pixel unit, and a blue pixel unit; the first type of data line includes a first red pixel data line, a first green pixel data line, and a first blue pixel data line; the second type of data line includes a second red pixel data line, a second green pixel data line, and a second blue pixel data line; the first red pixel data line and the second red pixel data line input signals to the red pixel unit; the first green pixel data line and the second green pixel data line input signals to the green pixel unit; and the first blue pixel data line and the second blue pixel data line input signals to the blue pixel unit.

[0011] In some embodiments, the first red pixel data line and the second red pixel data line are arranged adjacent to each other and intersect with the scan line to form a red pixel region, and the red pixel unit is disposed in the red pixel region. The first blue pixel data line and the second blue pixel data line are arranged adjacent to each other and intersect with the scan line to form a blue pixel region, and the blue pixel unit is disposed in the blue pixel region. The first green pixel data line and the second green pixel data line are arranged adjacent to each other and intersect with the scan line to form a green pixel region, and the green pixel unit is disposed in the green pixel region.

[0012] In some embodiments, the first red pixel data line and the second red pixel data line are arranged adjacently to form a red pixel data line group, which is disposed between the pixel units; the first green pixel data line and the second green pixel data line are arranged adjacently to form a green pixel data line group, which is disposed between the pixel units; and the first blue pixel data line and the second blue pixel data line are arranged adjacently to form a blue pixel data line group, which is disposed between the pixel units.

[0013] In some embodiments, the first data voltage includes a first red data voltage, a first green data voltage, and a first blue data voltage; the second data voltage includes a second red data voltage, a second green data voltage, and a second blue data voltage; the first red pixel data line is connected to the first red data voltage; the second red pixel data line is connected to the second red data voltage; the first green pixel data line is connected to the first green data voltage; the second green pixel data line is connected to the second green data voltage; the first blue pixel data line is connected to the first blue data voltage; and the second blue pixel data line is connected to the second blue data voltage.

[0014] In some embodiments, the difference between the first red data voltage and the first blue data voltage is 2V or more, the difference between the first red data voltage and the first green data voltage is 2V or more, and / or the difference between the first blue data voltage and the first green data voltage is 2V or more.

[0015] In some embodiments, the difference between the second red data voltage and the second blue data voltage is 2V or more, the difference between the second red data voltage and the second green data voltage is 2V or more, and / or the difference between the second blue data voltage and the second green data voltage is 2V or more.

[0016] In some embodiments, the difference between the first data voltage and the second data voltage is greater than 3V.

[0017] The present invention provides a display device, including the display panel described above.

[0018] The display panel provided by this invention includes scan lines, data lines, and pixel units. The data lines include a first type of data line and a second type of data line. The first type of data line is connected to a first data voltage, and the second type of data line is connected to a second data voltage. The values ​​of the first data voltage and the second data voltage are different. The odd-numbered row scan lines and the first type of data lines input signals to the odd-numbered row pixel units, and the even-numbered row scan lines and the second type of data lines input signals to the even-numbered row pixel units. By changing the power supply method of the designed driving circuit, the pixel units of the odd and even rows are differentially powered, causing the liquid crystal to form different angles during the alignment process, resulting in an eight-domain alignment display effect. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in this invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of a first structure of the display panel provided by the present invention;

[0021] Figure 2 This is a schematic diagram of a second structure of the display panel provided by the present invention;

[0022] Figure 3 This is a schematic diagram of a third structure of the display panel provided by the present invention;

[0023] Figure 4 This is a schematic diagram of a first structure of the display device provided by the present invention;

[0024] Figure 5 This is a schematic diagram of a second structure of the display device provided by the present invention. Detailed Implementation

[0025] The technical solutions of this invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are merely some embodiments of this invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this invention without inventive effort are within the scope of protection of this invention.

[0026] It should be noted that in the description of this invention, the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0027] This invention provides a display panel and a display device. The display panel is described in detail below.

[0028] Please see Figure 1 , Figure 1 This is a schematic diagram of a first structural embodiment of the display panel 10 of the present invention. The display panel 10 includes scan lines 101, data lines 102, and pixel units 103. Multiple scan lines 101 are provided, arranged along the column direction, and include odd-numbered row scan lines 1011 and even-numbered row scan lines 1012. Multiple data lines 102 are provided, arranged along the row direction, and include first-type data lines 1021 and second-type data lines 1022. The first-type data lines 1021 are connected to a first data voltage, and the second-type data lines 1022 are connected to a second data voltage. The values ​​of the first and second data voltages are different. The data lines 102 and scan lines 101 intersect to form multiple pixel regions 10a. Pixel units 103 are disposed within the pixel regions 10a and are arranged in an array. Specifically, the odd-numbered row scan line 1011 and the first type of data line 1021 input signals to the odd-numbered row pixel units, while the even-numbered row scan line 1012 and the second type of data line 1022 input signals to the even-numbered row pixel units.

[0029] It should be noted that the column direction is the direction extending along the x-axis, and the row direction is the direction extending along the y-axis. Figure 1 The example used is that the x-axis and y-axis are perpendicular. In reality, the scan line 101 and the data line 102 only need to be arranged in a cross pattern. Figure 1The arrangement shown in the example is not intended to limit the display panel 10 of the present invention.

[0030] The first type of data line 1021 and the second type of data line 1022 are arranged alternately along the row direction, and the pixel region 104 is formed by the intersection of the first type of data line 1021 and its adjacent second type of data line 1022 with the scan line 101.

[0031] This invention Figure 1 The provided display panel 10, by adding a data line to each column of pixel units, provides differentiated power to odd-numbered and even-numbered row pixel units. For example, the first type of data line 1021 controls the voltage of odd-numbered row pixel units, and the second type of data line 1022 controls the voltage of even-numbered row pixel units. This makes the liquid crystal alignment of each row of the same column of pixel units different, thereby achieving an eight-domain alignment display effect by designing the display panel 10 with a four-domain alignment. This avoids the need for additional thin-film transistor configuration and simplifies the process design and manufacturing steps.

[0032] Please see Figure 2 , Figure 2 This is a schematic diagram of a second structure of the display panel 10 in this invention. Pixel unit 103 includes red pixel unit 103a, green pixel unit 103b, and blue pixel unit 103c. First type data line 1021 includes first red pixel data line 1021a, first green pixel data line 1021b, and first blue pixel data line 1021c. Second type data line 1022 includes second red pixel data line 1022a, second green pixel data line 1022b, and second blue pixel data line 1022c. The first red pixel data line 1021a and the second red pixel data line 1022a input signals to the red pixel unit 103a. The first green pixel data line 1021b and the second green pixel data line 1022b input signals to the green pixel unit 103b. The first blue pixel data line 1021c and the second blue pixel data line 1022c input signals to the blue pixel unit 103c.

[0033] It should be noted that, Figure 2 The arrangement of the red pixel unit 103a, green pixel unit 103b, and blue pixel unit 103c is an example of one embodiment of the present invention and is not a limitation on the arrangement of the red pixel unit 103a, green pixel unit 103b, and blue pixel unit 103c of the present invention.

[0034] In this configuration, the first red pixel data line 1021a and the second red pixel data line 1022a are arranged adjacent to each other and intersect with the scan line 101 to form a red pixel region 104a. A red pixel unit 103a is disposed in the red pixel region 104a. The first blue pixel data line 1021c and the second blue pixel data line 1022c are arranged adjacent to each other and intersect with the scan line 101 to form a blue pixel region 104c. A blue pixel unit 103c is disposed in the blue pixel region 104c. The first green pixel data line 1021b and the second green pixel data line 1022b are arranged adjacent to each other and intersect with the scan line 101 to form a green pixel region 104b. A green pixel unit 103b is disposed in the green pixel region 104b.

[0035] In one embodiment, red pixel units 103a are arranged in the same column, as are green pixel units 103b and blue pixel units 103c. Taking red pixel unit 103a as an example, since the red pixel units 103a in odd-numbered rows and even-numbered rows receive signals via a first red pixel data line 1021a and a second red pixel data line 1022a respectively, the voltage input to red pixel unit 103a can be different from that of adjacent red pixel units 103a. This results in different deflection angles of the liquid crystal in the corresponding areas of red pixel unit 103a and adjacent red pixel units 103a, causing a slight difference in the red color displayed by red pixel unit 103a compared to its adjacent counterparts. The same applies to green pixel units 103b and blue pixel units 103c. Therefore… Figure 2 The display panel 10 achieves an 8-domain display effect by setting a data line 102 on both sides of each column of pixel units of the same color and providing differentiated power to the odd-numbered row pixel units and the even-numbered row pixel units.

[0036] Please see Figure 3 , Figure 3 This is a schematic diagram of the third structure of the display panel 10 in this invention. A first red pixel data line 1021a and a second red pixel data line 1022a are arranged adjacently to form a red pixel data line group 102a, which is disposed between pixel units 103 and 103. A first green pixel data line 1021b and a second green pixel data line 1022b are arranged adjacently to form a green pixel data line group 102b, which is disposed between pixel units 103 and 103. A first blue pixel data line 1021c and a second blue pixel data line 1022c are arranged adjacently to form a blue pixel data line group 102c, which is disposed between pixel units 103 and 103.

[0037] In one embodiment, red pixel units 103a are arranged in the same column, as are green pixel units 103b and blue pixel units 103c. Taking red pixel unit 103a as an example, since the red pixel units 103a in odd-numbered rows and even-numbered rows receive signals via a first red pixel data line 1021a and a second red pixel data line 1022a respectively, the voltage input to red pixel unit 103a can be different from that of adjacent red pixel units 103a. This results in different deflection angles of the liquid crystal in the corresponding areas of red pixel unit 103a and adjacent red pixel units 103a, causing a slight difference in the red color displayed by red pixel unit 103a compared to its adjacent counterparts. The same applies to green pixel units 103b and blue pixel units 103c. Therefore… Figure 3 The display panel 10 achieves an 8-domain display effect by adding a corresponding data line next to the original data line 102 for each column of pixel units of the same color, and by providing differentiated power to the odd-numbered row pixel units and the even-numbered row pixel units.

[0038] The display panel 10 provided by the present invention adopts Figure 2 or Figure 3 Two specific configuration methods are available to adapt to different display panels, facilitating wiring design. When connecting to circuit modules, the wiring method that reduces wiring area and improves the in-plane utilization of the panel can be selected. In essence, the core of this invention lies in using different data lines to control pixel units in different rows to achieve multi-domain alignment. Without departing from the spirit of this invention, any derived wiring methods are within the protection scope of this invention.

[0039] The first data voltage of the display panel 10 includes a first red data voltage, a first green data voltage, and a first blue data voltage. The second data voltage includes a second red data voltage, a second green data voltage, and a second blue data voltage. The first red pixel data line 1021a is connected to the first red data voltage, the second red pixel data line 1022a is connected to the second red data voltage, the first green pixel data line 1021b is connected to the first green data voltage, the second green pixel data line 1022b is connected to the second green data voltage, the first blue pixel data line 1021c is connected to the first blue data voltage, and the second blue pixel data line 1022c is connected to the second blue data voltage.

[0040] By connecting the data lines 102 controlling different color pixel units 103 to different or the same data voltage, the different color pixel units 103 can form an angle difference in advance during the liquid crystal alignment process. For example, if the values ​​of the first red data voltage and the first green data voltage are different, then the red pixel unit 103a and the green pixel unit 103b in the same row will also have an angle difference during alignment. The resulting alignment angles are more diverse, which can improve the display effect of the liquid crystal display panel.

[0041] Specifically, the difference between the first red data voltage and the first blue data voltage is greater than 2V, the difference between the first red data voltage and the first green data voltage is greater than 2V, and / or the difference between the first blue data voltage and the first green data voltage is greater than 2V.

[0042] Specifically, the difference between the second red data voltage and the second blue data voltage is greater than 2V, the difference between the second red data voltage and the second green data voltage is greater than 2V, and / or the difference between the second blue data voltage and the second green data voltage is greater than 2V.

[0043] Specifically, the difference between the first red data voltage, the first green data voltage, the first blue data voltage, the second red data voltage, the second green data voltage, and the second blue data voltage can be 2V, 2.1V, 2.2V, 2.3V, 2.4V, 2.5V, 2.6V, 2.7V, 2.8V, 2.9V, or 3V.

[0044] The values ​​of the first red data voltage, the first green data voltage, the first blue data voltage, the second red data voltage, the second green data voltage, and the second blue data voltage can be different or the same. The voltage value of each data line 102 is set according to the specific display panel requirements to ensure that different display panels can achieve better display effects.

[0045] The difference between the first data voltage and the second data voltage is greater than 3V. Specifically, the difference between the first data voltage and the second data voltage can be 3V, 3.1V, 3.2V, 3.3V, 3.4V, 3.5V, 3.6V, 3.7V, 3.8V, 3.9V, 4V, or 5V.

[0046] In one embodiment, the first data voltage signal is grounded (GND), i.e., set to 0V, the second data voltage signal is set to 3V, and the voltage signals connected to the odd-numbered scan lines 1011 and even-numbered scan lines 1012 are set to 5V.

[0047] In one embodiment of the present invention, the difference between the first data voltage and the second data voltage is set to 3V, but the voltage input to the common electrode of the display panel 10 is consistently 5V. Therefore, different voltages are applied to different pixel unit regions controlled by the first type of data line and the second type of data line; that is, the pixel unit voltage corresponding to the input signal of the first type of data line is 5V, and the pixel unit voltage corresponding to the input signal of the second type of data line is 2V. Under different voltages, the liquid crystal regions corresponding to odd-numbered row pixel units and even-numbered row pixel units achieve different liquid crystal angle deflections, and the colors refracted by the liquid crystal are also different. In this way, the color of the display panel 10 is improved, and a multi-domain alignment display effect is obtained.

[0048] This invention provides a display device 100, Figure 4 This is a schematic diagram of a first structural embodiment of the display device 100 of the present invention. The display device 100 includes the display panel 10 and array substrate 20 described above, and may also include other devices. The array substrate 20 and other devices and their assembly in this invention are well-known technologies to those skilled in the art, and will not be described in detail here.

[0049] Please see Figure 5 , Figure 5 This is a schematic diagram of a second structure of the display device 100 of the present invention. In one embodiment, the display panel 10 provided by the present invention further includes a pixel electrode 30, a first common electrode 40, a second common electrode 50, a color filter substrate 60, and a liquid crystal layer 70. The pixel electrode 30 is disposed on the array substrate 20, and the first common electrode 40 is disposed around the pixel electrode 30 or between the pixel electrode 30 and the array substrate 20. Different display panels 10 may have different arrangements. The color filter substrate 60 is disposed opposite to the array substrate 20, and the second common electrode 50 is disposed on the side of the color filter substrate 60 closer to the array substrate 20. The liquid crystal layer 70 is disposed between the array substrate 20 and the color filter substrate 60. Data lines and scan lines in the display panel 10 are disposed on the array substrate 20.

[0050] The display device 100 provided by the present invention includes a display panel 10. The display panel 10 provides differentiated power supply to odd-numbered and even-numbered rows of pixel units by adding a data line to each column of pixel units. For example, a first type of data line controls the voltage of odd-numbered rows of pixel units, and a second type of data line controls the voltage of even-numbered rows of pixel units. This makes the liquid crystal alignment of each row of the same column of pixel units different, thereby achieving an eight-domain alignment display effect by designing a four-domain alignment for the display panel 10. This avoids the need for additional thin-film transistor configuration and simplifies process design and manufacturing steps.

[0051] The display panel and display device provided by the present invention have been described in detail above. Specific examples have been used to illustrate the principles and implementation methods of the present invention. The descriptions of the above embodiments are only for the purpose of helping to understand the present invention. At the same time, those skilled in the art will recognize that, based on the ideas of the present invention, there will be changes in the specific implementation methods and application scope. Therefore, the content of this specification should not be construed as a limitation of the present invention.

Claims

1. A display panel, characterized in that, include: The scan lines are provided in multiple ways, and the scan lines are arranged along the column direction. The scan lines include odd-numbered row scan lines and even-numbered row scan lines. The data line includes multiple data lines arranged along the row direction. The data lines include a first type of data line and a second type of data line. The first type of data line is connected to a first data voltage, and the second type of data line is connected to a second data voltage. The values ​​of the first data voltage and the second data voltage are different. The data lines intersect with the scan lines to form multiple pixel areas. A pixel unit, wherein the pixel unit is disposed within the pixel region, and the pixel unit is arranged in an array; Wherein, the odd-numbered row scan lines and the first type of data lines input signals to the odd-numbered row pixel units, and the even-numbered row scan lines and the second type of data lines input signals to the even-numbered row pixel units; The first type of data lines and the second type of data lines are arranged alternately along the row direction, and the pixel region is formed by the intersection of the first type of data lines and the adjacent second type of data lines with the scan lines; The first type of data lines and the second type of data lines of the same column of pixel units are located on the same side of the pixel units to form a data line group; The difference between the first data voltage and the second data voltage is greater than 3V.

2. The display panel according to claim 1, characterized in that, The first red pixel data line and the second red pixel data line are arranged adjacently to form a red pixel data line group, which is disposed between the pixel units. The first green pixel data line and the second green pixel data line are arranged adjacently to form a green pixel data line group, which is disposed between the pixel units. The first blue pixel data line and the second blue pixel data line are arranged adjacently to form a blue pixel data line group, which is disposed between the pixel units.

3. The display panel according to claim 1, characterized in that, The first data voltage includes a first red data voltage, a first green data voltage, and a first blue data voltage. The second data voltage includes a second red data voltage, a second green data voltage, and a second blue data voltage. The first red pixel data line is connected to the first red data voltage, the second red pixel data line is connected to the second red data voltage, the first green pixel data line is connected to the first green data voltage, the second green pixel data line is connected to the second green data voltage, the first blue pixel data line is connected to the first blue data voltage, and the second blue pixel data line is connected to the second blue data voltage.

4. The display panel according to claim 3, characterized in that, The difference between the first red data voltage and the first blue data voltage is greater than 2V, the difference between the first red data voltage and the first green data voltage is greater than 2V, and / or the difference between the first blue data voltage and the first green data voltage is greater than 2V.

5. The display panel according to claim 3, characterized in that, The difference between the second red data voltage and the second blue data voltage is greater than 2V, the difference between the second red data voltage and the second green data voltage is greater than 2V, and / or the difference between the second blue data voltage and the second green data voltage is greater than 2V.

6. A display device, characterized in that, It includes a display panel, said display panel being the display panel according to any one of claims 1 to 5.

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