Light-emitting assembly, display device and electronic equipment

Abstract

The invention discloses a light-emitting assembly, a display device and electronic equipment, and belongs to the technical field of display. The light-emitting component comprises a first red sub-pixel, a second red sub-pixel, a green sub-pixel and a blue sub-pixel, the first red sub-pixel, the green sub-pixel and the blue sub-pixel are distributed and arranged along the horizontal direction of the light-emitting component; the second red sub-pixels are stacked above the first red sub-pixels along the vertical direction of the light-emitting component; the first red sub-pixels and the second red sub-pixels sequentially and alternately emit light in the working process. Thus, the two red sub-pixels are stacked in the vertical direction to sequentially and alternately emit light, display color cast caused by red light attenuation due to long-time continuous light emission of only one red pixel is avoided, and the display stability is improved.

Description

Technical Field

[0001] The present invention relates to the field of display technology, and in particular to a light-emitting component, a display device and an electronic device. Background Art

[0002] Currently, the common micro light emitting diode displays (microLED) achieve full-color functions, usually using quantum dots, mass transfer and other methods, but these methods are costly and due to the material limitations of the red light emitting chip, the red light continues to emit for a long time, causing the red light brightness to decay and cause color cast problems. Summary of the invention

[0003] The embodiments of the present application provide a light-emitting component, a display device, and an electronic device to solve the technical problem of color shift caused by red light attenuation in display.

[0004] According to a first aspect of an embodiment of the present application, a light-emitting component is provided, the light-emitting component comprising: a first red sub-pixel, a second red sub-pixel, a green sub-pixel, and a blue sub-pixel;

[0005] The first red sub-pixel, the green sub-pixel and the blue sub-pixel are distributed and arranged along the horizontal direction of the light-emitting component; the second red sub-pixel is stacked above the first red sub-pixel along the vertical direction of the light-emitting component; the first red sub-pixel and the second red sub-pixel emit light alternately in sequence during operation.

[0006] In a possible implementation manner, a light-emitting area of ​​the first red sub-pixel is smaller than a light-emitting area of ​​the second red sub-pixel.

[0007] In a possible implementation, the light emitting assembly further includes: a first cathode pad, a first anode pad, and a second anode pad;

[0008] The cathodes of the first red sub-pixel and the second red sub-pixel are connected to the driving substrate through the first cathode pad; the anode of the first red sub-pixel is connected to the driving substrate through the first anode pad, and the anode of the second red sub-pixel is connected to the driving substrate through the second anode pad; the driving substrate is used to provide a cathode driving voltage and an anode driving voltage for driving the light-emitting component.

[0009] In a possible implementation manner, an anode driving voltage corresponding to the first red sub-pixel is greater than an anode driving voltage corresponding to the second red sub-pixel.

[0010] In a possible implementation, the light emitting component further includes: a first light diffusion layer covering the second red sub-pixel, a second light diffusion layer covering the green sub-pixel, and a third light diffusion layer covering the blue sub-pixel;

[0011] A thickness of the first light diffusion layer in the vertical direction is smaller than a thickness of the second light diffusion layer and a thickness of the third light diffusion layer.

[0012] In a possible implementation, the sum of the thicknesses of the first light diffusion layer, the first red sub-pixel and the second red sub-pixel is equal to the sum of the thicknesses of the second light diffusion layer and the green sub-pixel, and equal to the sum of the thicknesses of the third light diffusion layer and the blue sub-pixel.

[0013] In a possible implementation, during the operation of the light-emitting component, the first red sub-pixel emits light in odd frames, and the second red sub-pixel emits light in even frames.

[0014] According to a second aspect of the embodiments of the present application, a display device is provided, the display device comprising: a driving substrate, and the light-emitting component according to any one of the first aspects;

[0015] Wherein, the light-emitting component is fixedly connected to the driving substrate, and the driving substrate is used to drive the light-emitting component.

[0016] In a possible implementation, the light emitting assembly further includes: a first cathode pad, a first anode pad, and a second anode pad;

[0017] The driving substrate includes a data signal line, and the first red sub-pixel and the second red sub-pixel are connected to the data signal line through the first anode pad and the second anode pad respectively; the data signal line is used to provide an anode driving voltage for driving the light-emitting component. .

[0018] According to a third aspect of the embodiments of the present application, an electronic device is provided, comprising the display device described in any one of the second aspects above.

[0019] The embodiment of the present application proposes a light-emitting component, a display device and an electronic device, wherein the light-emitting component includes: a first red sub-pixel, a second red sub-pixel, a green sub-pixel and a blue sub-pixel; the first red sub-pixel, the green sub-pixel and the blue sub-pixel are arranged in a horizontal direction of the light-emitting component; the second red sub-pixel is stacked above the first red sub-pixel in a vertical direction of the light-emitting component; the first red sub-pixel and the second red sub-pixel emit light alternately in sequence during operation. In this way, by stacking two red sub-pixels and emitting light alternately in sequence during the display process, it is possible to avoid the attenuation of red light caused by only one red pixel continuously emitting light for a long time, reduce the influence of color deviation, and thus improve the display stability, and avoid increasing the space area occupied by the pixel, and avoid the situation where the light-emitting position is different due to the difference in the horizontal position of the red sub-pixels when the light-emitting alternately causes flickering. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0021] Figure 1 It is a structural schematic diagram of a light-emitting component provided in an embodiment of the present application;

[0022] Figure 2 It is a structural schematic diagram of a light-emitting component provided in an embodiment of the present application;

[0023] Figure 3 This is a driving schematic diagram of a light-emitting component provided in an embodiment of the present application;

[0024] Figure 4 This is a schematic diagram of a driving voltage of a light-emitting component provided in an embodiment of the present application;

[0025] Figure 5 It is a structural schematic diagram of a light-emitting component provided in an embodiment of the present application;

[0026] Figure 6 It is a structural schematic diagram of a display device provided in an embodiment of the present application.

[0027] Description of Reference Numerals

[0028] 1. First red sub-pixel; 2. Second red sub-pixel; 3. Green sub-pixel; 4. Blue sub-pixel; 5. First cathode pad; 6. First anode pad; 7. Second anode pad; 8. Drive substrate; 11. First light diffusion layer; 12. Second light diffusion layer; 13. Third light diffusion layer. DETAILED DESCRIPTION

[0029] In order to enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only embodiments of a part of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work should fall within the scope of protection of the present application. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0030] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0031] In this embodiment, a light emitting component is provided. Figure 1 Schematic diagram of the structure of a light emitting component provided in an embodiment of the present application. Figure 1 As shown, the light-emitting component includes: a first red sub-pixel 1, a second red sub-pixel 2, a green sub-pixel 3 and a blue sub-pixel 4;

[0032] The first red sub-pixel 1, the green sub-pixel 3 and the blue sub-pixel 4 are distributed and arranged along the horizontal direction of the light-emitting component; the second red sub-pixel 2 is stacked above the first red sub-pixel 1 along the vertical direction of the light-emitting component; the first red sub-pixel 1 and the second red sub-pixel 2 emit light alternately in sequence during operation.

[0033] In this embodiment, the light-emitting component may be a pixel display unit, or a display light-emitting unit, etc. The light-emitting component may include red, green and blue (RGB) three-color display pixels. The sub-pixel may also be a light-emitting chip for emitting light of one color, for example, a red sub-pixel for emitting red light, a green sub-pixel for emitting green light, a blue sub-pixel for emitting blue light, etc.

[0034] In one embodiment, the horizontal direction of the light emitting component may refer to the plane direction where the length and width of the light emitting component are located, and the vertical direction of the light emitting component may refer to the thickness or height direction of the light emitting component. The first red sub-pixel 1, the green sub-pixel 3, and the blue sub-pixel 4 may be arranged on the light emitting component in a horizontal direction, for example, the first red sub-pixel 1, the green sub-pixel 3, and the blue sub-pixel 4 may be arranged in a straight line, or may be arranged in a "pink" shape or other forms.

[0035] In one embodiment, the cross-sections or sections of the first red sub-pixel 1, the second red sub-pixel 2, the green sub-pixel 3, and the blue sub-pixel 4 may be rectangular, trapezoidal, or other shapes. Figure 1 This is just one possible form and is not intended to be the only limitation.

[0036] In one embodiment, the second red sub-pixel 2 is stacked above the first red sub-pixel 1 in the vertical direction. For example, the second red sub-pixel 2 can be attached to the first red sub-pixel 1, or a gap can be left between the second red sub-pixel 2 and the first red sub-pixel 1, or a transparent material can be sandwiched between the second red sub-pixel 2 and the first red sub-pixel 1.

[0037] In one embodiment, the second red sub-pixel 2 is stacked above the first red sub-pixel 1, where above may be a direction away from a driving substrate 8 for driving the light-emitting component, or may refer to a direction in which light emitted by the light-emitting component or sub-pixel is emitted.

[0038] In one embodiment, when the second red sub-pixel 2 does not emit light and the first red sub-pixel 1 emits light, the light emitted by the first red sub-pixel 1 can pass through the second red sub-pixel 2, so that the second red sub-pixel 2 does not affect the normal light-emitting effect of the first red sub-pixel 1.

[0039] In one embodiment, the first red sub-pixel 1 and the second red sub-pixel 2 emit light alternately in sequence during operation, which may refer to the first red sub-pixel 1 and the second red sub-pixel 2 emit light alternately in sequence during operation of the light-emitting component. For example, alternately emitting light in sequence may refer to the first red sub-pixel 1 emitting light while the second red sub-pixel 2 does not emit light, and the first red sub-pixel 1 does not emit light while the second red sub-pixel 2 emits light.

[0040] In one embodiment, the first red sub-pixel 1 and the second red sub-pixel 2 emit light alternately in sequence during operation, which may refer to the first red sub-pixel 1 and the second red sub-pixel 2 emitting light in a predetermined number of consecutive frames during operation, and emitting light alternately in sequence. The predetermined number may be 1, or may be any number such as 2, 5 or 10. For example, when the predetermined number is 10, the first red sub-pixel 1 emits light in the first to tenth frames, the second red sub-pixel 2 emits light in the eleventh to twentieth frames, the first red sub-pixel 1 emits light in the twenty-first to thirtieth frames... and so on. In this way, on the basis of avoiding attenuation caused by a single red pixel continuously emitting light for a long time, it is also possible to avoid malfunctions caused by excessive switching frequencies of the first red sub-pixel 1 and the second red sub-pixel 2, and further improve the life of components and devices.

[0041] In one embodiment, the first red sub-pixel 1 and the second red sub-pixel 2 emit light alternately in sequence during operation, which may mean that the first red sub-pixel 1 and the second red sub-pixel 2 emit light in different frames during operation, only one red sub-pixel emits light in each frame, and the red sub-pixels that emit light in any two adjacent frames are different.

[0042] Exemplarily, it can mean that the first red sub-pixel 1 emits light in odd frames, and the second red sub-pixel 2 emits light in even frames. Here, it can also be expressed that the first red sub-pixel 1 and the second red sub-pixel 2 emit light in a predetermined number of consecutive frames during operation, and emit light alternately in sequence, and the predetermined number is 1. For example, the first red sub-pixel 1 emits light in the first frame, the second red sub-pixel 2 emits light in the second frame, the first red sub-pixel 1 emits light in the third frame... and so on. In this way, it is possible to accurately define when to provide a driving voltage to which red sub-pixel based on odd frames and even frames, which is conducive to accurately providing the driving voltage required by the red sub-pixels.

[0043] In one embodiment, during the operation of the light-emitting component, the blue sub-pixel 4 and the green sub-pixel 3 sequentially form an RGB light-emitting unit with the first red sub-pixel 1 and the second red sub-pixel 2. For example, in the first frame, the first red sub-pixel 1, the blue sub-pixel 4 and the green sub-pixel 3 emit light together, in the second frame, the second red sub-pixel 2, the blue sub-pixel 4 and the green sub-pixel 3 emit light together, in the third frame, the first red sub-pixel 1, the blue sub-pixel 4 and the green sub-pixel 3 emit light together... and so on, so that full-color function can be provided based on three-color light-emitting display in each frame.

[0044] In one embodiment, the size of the first red sub-pixel 1 may be the same as or different from that of the second red sub-pixel 2, wherein the size may include at least one of parameters such as light-emitting area, thickness, length, width, and volume. For example, the light-emitting area of ​​the first red sub-pixel 1 may be equal to the light-emitting area of ​​the second red sub-pixel 2, or the light-emitting area of ​​the first red sub-pixel 1 may be greater than or less than the light-emitting area of ​​the second red sub-pixel 2. Here, the light-emitting area may refer to the area of ​​the sub-pixel along the horizontal direction.

[0045] In one embodiment, the first red sub-pixel 1 and the second red sub-pixel 2 may be located on the same axis in the vertical direction, wherein the axis may be the central axis of the sub-pixel light-emitting area in the vertical direction. For example, when the light-emitting areas of the first red sub-pixel 1 and the second red sub-pixel 2 are inconsistent, the two are still located on the same axis, thereby avoiding flickering caused by changes in the light-emitting position in the horizontal position when alternating light emission occurs.

[0046] In one embodiment, the thickness of the first red sub-pixel 1 may be the same as or different from the thickness of the second red sub-pixel 2. For example, the thickness of the first red sub-pixel 1 may be equal to the thickness of the second red sub-pixel 2, or the thickness of the first red sub-pixel 1 may be greater than or less than the thickness of the second red sub-pixel 2. Here, the thickness may refer to the thickness of the sub-pixel along the vertical direction.

[0047] In one embodiment, the sizes of the first red sub-pixel 1 , the second red sub-pixel 2 , the green sub-pixel 3 , and the blue sub-pixel 4 may be consistent or different.

[0048] In this way, by stacking two red sub-pixels and emitting light alternately in sequence during the display process, it is possible to avoid the attenuation of red light caused by only one red pixel continuously emitting light for a long time, reduce the impact of color deviation, and thus improve display stability, while also avoiding increasing the space area occupied by pixels, avoiding affecting the size of the display device, and avoiding the situation where the horizontal positions of the red sub-pixels are different, resulting in different light-emitting positions when alternatingly emitting light, causing flickering.

[0049] In some embodiments, a light-emitting area of ​​the first red sub-pixel 1 is smaller than a light-emitting area of ​​the second red sub-pixel 2 .

[0050] In one embodiment, the light-emitting area may refer to the total area or light-emitting area of ​​the sub-pixel in the horizontal direction, or the projected area of ​​the sub-pixel in the horizontal plane, etc. For example, the length of the first red sub-pixel 1 in the horizontal direction is smaller than the length of the second red sub-pixel 2 in the horizontal direction, and / or the width of the first red sub-pixel 1 in the horizontal direction is smaller than the width of the second red sub-pixel 2 in the horizontal direction.

[0051] In one embodiment, the light emitting area of ​​the first red sub-pixel 1 is smaller than the light emitting area of ​​the second red sub-pixel 2 , and the first red sub-pixel 1 and the second red sub-pixel 2 are located on the same axis in the vertical direction.

[0052] In one embodiment, the second red sub-pixel 2 is located above the first red sub-pixel 1, that is, the second red sub-pixel 2 is far away from the driving substrate 8, and the first red sub-pixel 1 is close to the driving substrate 8. The portion where the light-emitting area of ​​the second red sub-pixel 2 exceeds the light-emitting area of ​​the first red sub-pixel 1 can be used to lay out the wiring for connecting the second red sub-pixel 2 to the driving substrate 8.

[0053] In this way, since the first red sub-pixel 1 is located below the second red sub-pixel 2 and the light-emitting area of ​​the first red sub-pixel 1 is smaller, space can be reserved for the second red sub-pixel 2 to be wired downward, thereby avoiding interference with the wiring connecting the second red sub-pixel 2 to the drive substrate 8 and improving space utilization.

[0054] In some embodiments, Figure 2 As shown, the light emitting assembly further includes: a first cathode pad 5, a first anode pad 6 and a second anode pad 7;

[0055] The cathodes of the first red sub-pixel 1 and the second red sub-pixel 2 are connected to the driving substrate 8 through the first cathode pad 5; the anode of the first red sub-pixel 1 is connected to the driving substrate 8 through the first anode pad 6, and the anode of the second red sub-pixel 2 is connected to the driving substrate 8 through the second anode pad 7; the driving substrate 8 is used to provide a cathode driving voltage and an anode driving voltage for driving the light-emitting component.

[0056] In one embodiment, the pad may be a metal pad, the cathode pad may be an N (negative) pad, and the anode pad may be a P (positive) pad. The drive substrate 8 may provide a cathode driving voltage to the cathode through the cathode pad, and provide an anode driving voltage to the anode through the anode pad.

[0057] In one embodiment, the anode is connected to the driving substrate 8 through the anode pad, which may refer to being connected to a data signal line in the driving substrate 8 through the anode pad. The data signal line is used to provide an anode driving voltage to the anode of the sub-pixel.

[0058] In one embodiment, the light emitting component may further include a second cathode pad and a third anode pad, the cathode of the green sub-pixel 3 is connected to the driving substrate 8 through the second cathode pad, and the anode of the green sub-pixel 3 is connected to the driving substrate 8 through the third anode pad.

[0059] In one embodiment, the light-emitting component may further include a third cathode pad and a fourth anode pad, and the cathode of the blue sub-pixel 4 is connected to the driving substrate 8 through the third cathode pad, and the anode of the blue sub-pixel 4 is connected to the driving substrate 8 through the fourth anode pad.

[0060] In one embodiment, the first anode pad 6 is located in a first horizontal projection plane of the first red sub-pixel 1, and the second anode pad 7 is located in a second horizontal projection plane of the second red sub-pixel 2. When the light-emitting area of ​​the first red sub-pixel 1 is smaller than the light-emitting area of ​​the second red sub-pixel 2, the second anode pad 7 is located in an area of ​​the second projection plane other than the first projection plane.

[0061] In this way, the anode driving voltages are respectively provided to the two red sub-pixels through different anode pads, which is conducive to accurate control and flexible adjustment, and can be more conveniently controlled when different driving voltages need to be provided for different red sub-pixels.

[0062] In some embodiments, the anode driving voltage corresponding to the first red sub-pixel 1 is greater than the anode driving voltage corresponding to the second red sub-pixel 2 .

[0063] In one embodiment, when the light-emitting area of ​​the first red sub-pixel 1 is smaller than the light-emitting area of ​​the second red sub-pixel 2 , the anode driving voltage corresponding to the first red sub-pixel 1 is greater than the anode driving voltage corresponding to the second red sub-pixel 2 .

[0064] In one embodiment, the data signal lines in the driving substrate 8 provide anode driving voltages for the luminous red sub-pixels in different frames, and the anode driving voltage corresponding to the first red sub-pixel 1 is greater than the anode driving voltage corresponding to the second red sub-pixel 2 .

[0065] Exemplarily, the first red sub-pixel 1 emits light in odd frames, and the second red sub-pixel 2 emits light in even frames, such as Figure 3 As shown, the data signal line (Data) provides an anode driving voltage to the first red sub-pixel 1 through the first transistor in an odd frame, and provides an anode driving voltage to the second red sub-pixel 2 through the second transistor in an even frame.

[0066] For example, the anode driving voltages of the first red sub-pixel 1, the second red sub-pixel 2, the green sub-pixel 3, and the blue sub-pixel 4 may vary as follows: Figure 4 As shown, R1 represents the first red sub-pixel 1, R2 represents the second red sub-pixel 2, G represents the green sub-pixel 3, B represents the blue sub-pixel 4, VR1 represents the anode driving voltage provided to the first red sub-pixel 1, and VR2 represents the anode driving voltage provided to the second red sub-pixel 2.

[0067] In one embodiment, the anode driving voltage may be negatively correlated with the light emitting area. For example, the ratio of the anode driving voltage corresponding to the first red sub-pixel 1 to the anode driving voltage corresponding to the second red sub-pixel 2 is equal to the ratio of the light emitting area of ​​the second red sub-pixel 2 to the light emitting area of ​​the first red sub-pixel 1.

[0068] In this way, since the light-emitting area of ​​the first red sub-pixel 1 is smaller, a larger anode driving voltage needs to be provided to make the light-emitting brightness of the first red sub-pixel 1 consistent with that of the second red sub-pixel 2, so as to avoid abnormalities such as flickering caused by inconsistent brightness during alternating light emission.

[0069] In some embodiments, Figure 5 As shown, the light emitting component further includes: a first light diffusion layer 11 covering the second red sub-pixel 2, a second light diffusion layer 12 covering the green sub-pixel 3, and a third light diffusion layer 13 covering the blue sub-pixel 4;

[0070] The thickness of the first light diffusion layer 11 along the vertical direction is smaller than the thickness of the second light diffusion layer 12 and the thickness of the third light diffusion layer 13 .

[0071] In one embodiment, the light diffusion layer may be a layer having a transparency within a predetermined range or a refractive index within a predetermined interval. The thickness refers to the thickness along the vertical direction.

[0072] In one embodiment, the sum of the thicknesses of the first light diffusion layer 11 , the first red sub-pixel 1 , and the second red sub-pixel 2 is equal to the sum of the thicknesses of the second light diffusion layer 12 and the green sub-pixel 3 , and is equal to the sum of the thicknesses of the third light diffusion layer 13 and the blue sub-pixel 4 .

[0073] In one embodiment, the diffusion effect produced by the first light diffusion layer 11 is consistent with that produced by the second light diffusion layer 12 and the third light diffusion layer 13 .

[0074] In one embodiment, the thickness of the first light diffusion layer 11 is smaller than that of the second light diffusion layer 12 and the third light diffusion layer 13 , and the density of the first light diffusion layer 11 may be greater than that of the second light diffusion layer 12 and the third light diffusion layer 13 , thereby ensuring a consistent diffusion effect.

[0075] In one embodiment, the size of the first light diffusion layer 11 completely covers the second red sub-pixel 2 , the size of the second light diffusion layer 12 completely covers the green sub-pixel 3 , and the size of the third light diffusion layer 13 completely covers the blue sub-pixel 4 .

[0076] In this way, it can be avoided that the two stacked red sub-pixels cause the red part to be not on the same level as the blue and green parts, resulting in uneven brightness display and display abnormalities.

[0077] The embodiment of the present application further provides a display device, wherein the display device comprises: a driving substrate 8, and a light emitting component as described in any one or more of the above embodiments;

[0078] The light emitting component is fixedly connected to the driving substrate 8, and the driving substrate 8 is used to drive the light emitting component.

[0079] In one embodiment, the light emitting assembly further includes: a first cathode pad 5, a first anode pad 6 and a second anode pad 7;

[0080] The driving substrate 8 includes a data signal line, and the first red sub-pixel 1 and the second red sub-pixel 2 are connected to the data signal line through the first anode pad 6 and the second anode pad 7 respectively; the data signal line is used to provide an anode driving voltage for driving the light-emitting component.

[0081] Here, the cathodes of the first red sub-pixel 1 and the second red sub-pixel 2 are connected to the driving substrate 8 through the first cathode pad 5; the anode of the first red sub-pixel 1 is connected to the driving substrate 8 through the first anode pad 6, and the anode of the second red sub-pixel 2 is connected to the driving substrate 8 through the second anode pad 7; the driving substrate 8 is used to provide a cathode driving voltage and an anode driving voltage for driving the light-emitting component.

[0082] In one embodiment, a light-emitting area of ​​the first red sub-pixel 1 is smaller than a light-emitting area of ​​the second red sub-pixel 2 .

[0083] Thus, in the light-emitting component arranged on the driving substrate 8, by stacking two red sub-pixels, it is possible to avoid the attenuation of red light caused by only one red pixel continuously emitting light for a long time, reduce the influence of color deviation, and thus improve the display stability, and also avoid the situation where the red sub-pixels have different horizontal positions, resulting in different light-emitting positions when emitting light alternately, causing flickering. In addition, the two red sub-pixels are driven separately through different anode pads, thereby improving the control accuracy and flexibility.

[0084] An embodiment of the present application further provides an electronic device, wherein the electronic device includes the display device described in any one or more of the aforementioned embodiments.

[0085] Here, the electronic device can be any device with a display function, such as a mobile phone, a watch, a tablet computer, a television, or a computer.

[0086] As a possible implementation, Figure 6As shown, a full-color microLED display device includes: a driving substrate, a metal pad, a light-emitting chip, and a light diffusion layer above the light-emitting chip; wherein the light-emitting chip includes a first red sub-pixel R1, a second red sub-pixel R2, a green sub-pixel G, and a blue sub-pixel B.

[0087] The first red sub-pixel and the second red sub-pixel are vertically stacked, R2 is placed above R1, and the luminous area of ​​R1 is smaller than that of R2, and R1 and R2 share a metal N pad, and R1 and R2 are separately controlled by different data signals, that is, R1 and R2 are connected through P1 and P2 pads respectively. The green sub-pixel and the blue sub-pixel are connected to the drive substrate or the drive backplane through the cathode N pad and the anode P pad.

[0088] The red sub-pixels R1 and R2 are driven in odd and even frames respectively. In the case of odd frames, the data signal provides a driving voltage for R1, R2 does not provide a signal, R2 displays a dark state, and forms an R1-GB pixel display unit; in the case of even frames, the data signal provides a driving voltage for R2, R1 does not provide a signal, R1 displays a dark state, and forms an R2-GB pixel display unit. In odd / even frames, GB forms a display light-emitting unit with R1 / R2 respectively, reducing the red brightness decay and life reduction caused by the traditional design that only uses one R sub-pixel.

[0089] Because the luminous area of ​​R1 is smaller than that of R2, in the case of odd frames, the voltage VR1 provided by the data signal to R1 is greater than the voltage VR2 provided by the data signal to R2 in the case of even frames, so as to ensure that R1 and R2 emit the same brightness.

[0090] The thickness of the light diffusion layer above the red light-emitting chip is smaller than that of the green and blue chips; (due to the vertical stacking of the red light structure, the red chip is thicker than the green / blue chip. To ensure the light effect, the RGB three-color light must be on the same horizontal plane, and this light diffusion structure is added)

[0091] In this way, through the red microLED chip stacking design, under different driving timings of odd / even frames, GB sub-pixels share R1 or R2 respectively to form a three-color light-emitting unit, reducing red light decay and increasing product life. At the same time, a light diffusion layer is set above the chip to ensure that the light is on the same horizontal plane and the visual effect is uniform.

[0092] Through the description of the above implementation methods, those skilled in the art can clearly understand that the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course can also be implemented by hardware, but in many cases the former is a better implementation method. Based on such an understanding, the technical solution of the present invention, or the part that contributes to the prior art, can be embodied in the form of a software product, which is stored in a storage medium (such as ROM / RAM, a magnetic disk, or an optical disk), and includes a number of instructions for enabling a terminal device (which can be a mobile phone, a computer, a server, or a network device, etc.) to execute the methods described in each embodiment of the present invention.

[0093] The above description is only a preferred embodiment of the present application and is not intended to limit the protection scope of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application are included in the protection scope of the present application.

[0094] The above description is only a specific implementation of the present application, so that those skilled in the art can understand or implement the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest range consistent with the principles and novel features applied for herein.

Claims

1. A light emitting component, characterized in that: The light-emitting component includes: a first red sub-pixel, a second red sub-pixel, a green sub-pixel and a blue sub-pixel; The first red sub-pixel, the green sub-pixel and the blue sub-pixel are distributed and arranged along the horizontal direction of the light-emitting component; the second red sub-pixel is stacked above the first red sub-pixel along the vertical direction of the light-emitting component; the first red sub-pixel and the second red sub-pixel emit light alternately in sequence during operation.

2. The light emitting assembly according to claim 1, characterized in that: A light emitting area of ​​the first red sub-pixel is smaller than a light emitting area of ​​the second red sub-pixel.

3. The light emitting assembly according to claim 2, characterized in that: The light emitting assembly further comprises: a first cathode pad, a first anode pad, and a second anode pad; The cathodes of the first red sub-pixel and the second red sub-pixel are connected to the driving substrate through the first cathode pad; the anode of the first red sub-pixel is connected to the driving substrate through the first anode pad, and the anode of the second red sub-pixel is connected to the driving substrate through the second anode pad; the driving substrate is used to provide a cathode driving voltage and an anode driving voltage for driving the light-emitting component.

4. The light emitting assembly according to claim 2, characterized in that: An anode driving voltage corresponding to the first red sub-pixel is greater than an anode driving voltage corresponding to the second red sub-pixel.

5. The light emitting assembly according to claim 1, characterized in that: The light emitting component further includes: a first light diffusion layer covering the second red sub-pixel, a second light diffusion layer covering the green sub-pixel, and a third light diffusion layer covering the blue sub-pixel; A thickness of the first light diffusion layer in the vertical direction is smaller than a thickness of the second light diffusion layer and a thickness of the third light diffusion layer.

6. The light emitting assembly according to claim 5, characterized in that: The sum of thicknesses of the first light diffusion layer, the first red sub-pixel, and the second red sub-pixel is equal to the sum of thicknesses of the second light diffusion layer and the green sub-pixel, and equal to the sum of thicknesses of the third light diffusion layer and the blue sub-pixel.

7. The light emitting assembly according to claim 1, characterized in that: During the operation of the light-emitting component, the first red sub-pixel emits light in odd frames, and the second red sub-pixel emits light in even frames.

8. A display device, characterized in that: The display device comprises: a driving substrate, and a light-emitting component according to any one of claims 1 to 7; Wherein, the light-emitting component is fixedly connected to the driving substrate, and the driving substrate is used to drive the light-emitting component.

9. The display device according to claim 8, characterized in that: The light emitting assembly further comprises: a first cathode pad, a first anode pad, and a second anode pad; The driving substrate includes a data signal line, and the first red sub-pixel and the second red sub-pixel are connected to the data signal line through the first anode pad and the second anode pad respectively; the data signal line is used to provide an anode driving voltage for driving the light-emitting component.

10. An electronic device, characterized in that: The electronic device includes the display device according to claim 8 or 9.

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