WO2021218081A1 - 显示面板以及显示装置 - Google Patents

显示面板以及显示装置 Download PDF

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Publication number
WO2021218081A1
WO2021218081A1 PCT/CN2020/124490 CN2020124490W WO2021218081A1 WO 2021218081 A1 WO2021218081 A1 WO 2021218081A1 CN 2020124490 W CN2020124490 W CN 2020124490W WO 2021218081 A1 WO2021218081 A1 WO 2021218081A1
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WIPO (PCT)
Prior art keywords
sub
pixel
display area
pixels
display panel
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PCT/CN2020/124490
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English (en)
French (fr)
Inventor
许传志
张露
谢正芳
韩珍珍
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昆山国显光电有限公司
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Application filed by 昆山国显光电有限公司 filed Critical 昆山国显光电有限公司
Publication of WO2021218081A1 publication Critical patent/WO2021218081A1/zh
Priority to US17/711,381 priority Critical patent/US20220223673A1/en

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    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/30—Devices specially adapted for multicolour light emission
    • H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
    • H10K59/353—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels characterised by the geometrical arrangement of the RGB subpixels
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/302—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0264—Details of the structure or mounting of specific components for a camera module assembly
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • H10K59/121—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements
    • H10K59/1213—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements the pixel elements being TFTs
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • H10K59/131—Interconnections, e.g. wiring lines or terminals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
    • H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
    • H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
    • H01L27/124—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition, shape or layout of the wiring layers specially adapted to the circuit arrangement, e.g. scanning lines in LCD pixel circuits
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/30—Devices specially adapted for multicolour light emission
    • H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
    • H10K59/351—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels comprising more than three subpixels, e.g. red-green-blue-white [RGBW]
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/30—Devices specially adapted for multicolour light emission
    • H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
    • H10K59/352—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels the areas of the RGB subpixels being different
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/60—OLEDs integrated with inorganic light-sensitive elements, e.g. with inorganic solar cells or inorganic photodiodes
    • H10K59/65—OLEDs integrated with inorganic image sensors

Definitions

  • This application relates to the field of display technology, and in particular to a display panel and a display device.
  • the present application provides a display panel and a display device.
  • the display panel facilitates the integration of under-screen photosensitive components.
  • the display panel makes the display brightness of the first display area and the second display area uniform, thereby improving the display effect of the display panel.
  • a display panel which has a first display area and a second display area.
  • the first display area has a transparent display area and a transitional display area between the transparent display area and the second display area.
  • the light transmittance of the transparent display area is greater than the light transmittance of the second display area
  • the display panel includes a stacked device layer and a light-emitting element layer;
  • the light-emitting element layer includes a first pixel structure distributed in the first display area, the first pixel
  • the structure includes a plurality of first sub-pixels, the first sub-pixels include first electrodes;
  • the device layer includes first driving transistors located in the transition display area, and each first driving transistor is used to drive more than one of the transition display area and the transparent display area
  • the first driving transistors include first gates; wherein, in the stacking direction of the light-emitting element layer and the device layer, the orthographic projection of the first gate of each first driving transistor is
  • a display device including the above-mentioned display panel.
  • the light transmittance of the light-transmitting display area of the display panel is greater than the light transmittance of the second display area, so it can meet the requirements for under-screen integration of photosensitive components such as cameras.
  • the display panel includes a device layer and a light-emitting element layer, and the device layer includes a first drive transistor located in the transition display area, and the transition display area and the transparent display area can be driven by more than one first sub-color of the same color through the first drive transistor.
  • the pixels enable the transitional display area and the transparent display area to display images, thereby increasing the screen-to-body ratio of the display panel.
  • the orthographic projection of the first gate of each first driving transistor is different from the first sub-pixel whose color is different from that of the first sub-pixel driven by the first driving transistor.
  • the orthographic projections of the electrodes do not overlap, so that the first gate of the first driving transistor for driving the first sub-pixel of the same color in the first display area is not affected by the first electrodes of the first sub-pixels of other colors.
  • the display brightness difference between the first display area and the second display area is reduced or avoided, and the display effect is ensured.
  • FIG. 1 is a schematic top view of an embodiment of the display panel of the present application
  • Fig. 2 is a partial enlarged schematic diagram of area Q in Fig. 1;
  • FIG. 3 is a schematic diagram of a partial structure of FIG. 2 including a transparent display area and a transition display area;
  • Figure 4 is a schematic partial cross-sectional view of the structure along m-m in Figure 3;
  • Fig. 5 is a partial cross-sectional view of the structure along n-n in Fig. 3;
  • Fig. 6 is a schematic partial sectional view of the structure along p-p in Fig. 2;
  • FIG. 7 is a partial enlarged schematic view of a transparent display area corresponding to another embodiment of the display panel of the present application.
  • FIG. 8 is a partial enlarged schematic diagram of a transition display area corresponding to another embodiment of the display panel of the present application.
  • FIG. 9 is a partial enlarged schematic diagram of a transition display area corresponding to another embodiment of the display panel of the present application.
  • FIG. 10 is a schematic top view of the structure of an embodiment of the display device of the present application.
  • Fig. 11 is a partial cross-sectional view of the structure along w-w in Fig. 10.
  • a transparent display area may be provided on the above-mentioned electronic device, and the photosensitive element may be arranged on the back of the transparent display area, and a full-screen display of the electronic device can be realized under the condition that the photosensitive element is guaranteed to work normally.
  • the pixel density of the transparent display area is usually set to be smaller.
  • the pixel driving circuit of the transparent display area is usually arranged in the transition display area at the periphery of the transparent display area.
  • the coupling between the gate of the driving transistor generates parasitic capacitance, which in turn causes crosstalk between the luminous brightness of the sub-pixels of different colors, resulting in light sensitivity
  • the display brightness of the transparent display area corresponding to the component is different from that of other areas.
  • an embodiment of the present application provides a display panel and a display device.
  • the display panel and the display device of the embodiment of the present application will be described in detail below with reference to FIGS. 1 to 11.
  • an embodiment of the present application provides a display panel 100 having a first display area AA1 and a second display area AA2.
  • the first display area AA1 has a transparent display area AA1a and is located in the transparent display area AA1a and the second display area AA1.
  • the light transmittance of the transparent display area AA1a is greater than the light transmittance of the second display area AA2.
  • the light transmittance of the transparent display area AA1a is greater than or equal to 15%, or even greater than 40%, or even has a higher light transmittance.
  • the light transmittance of each functional film layer of the display panel 100 in this embodiment is greater than 80%, and even the light transmittance of some functional film layers is greater than 90%.
  • the light transmittance of the transparent display area AA1a of the first display area AA1 is greater than the light transmittance of the second display area AA2, so that the display panel 100 can integrate image capture on the back of the transparent display area AA1a
  • the components realize the under-screen integration of components such as the camera.
  • the first display area AA1 can display images, which increases the display area of the display panel 100 and realizes the full-screen design of the display device.
  • the display panel 100 includes a stacked device layer 10 and a light-emitting element layer 20, the light-emitting element layer 20 includes a first pixel structure distributed in the first display area AA1 and distributed in the second display area
  • the second pixel structure of AA2 the first pixel structure includes a plurality of first sub-pixels 21, the plurality of first sub-pixels 21 are arranged in a predetermined manner
  • the second pixel structure includes a plurality of second sub-pixels
  • the plurality of second sub-pixels The pixels 22 are arranged in a predetermined manner
  • the first sub-pixel 21 includes a first electrode 211.
  • the device layer 10 includes a first drive transistor 11 located in the transition display area AA1b, and the device layer 10 further includes a second drive transistor 12 located in the second display area AA2.
  • Each first drive transistor 11 is used to drive the transition display area.
  • One or more first sub-pixels 21 of the same color in AA1b and the transparent display area AA1a, each second driving transistor 12 is used to drive one of the second sub-pixels 22, and the first driving transistor 11 includes a first gate 111.
  • the orthographic projection of the first gate 111 of each first driving transistor 11 is different from the color of the first sub-pixel 21 driven by the first driving transistor 11
  • the orthographic projection of the first electrode 211 of the first sub-pixel 21 does not overlap, that is, the orthographic projection of the first gate 111 of each first driving transistor 11 is the same as the one of the color driven by the first driving transistor 11.
  • the orthographic projections of the first electrodes 211 of the first sub-pixels 21 of a color other than one sub-pixel 21 are not overlapped or staggered.
  • the display panel 100 provided by the embodiment of the present application is defined in the stacking direction X of the light-emitting element layer 20 and the device layer 10, and the orthographic projection of the first gate 111 of each first driving transistor 11 is aligned with the first driving transistor 11
  • the orthographic projections of the first electrodes 211 of the first sub-pixels 21 driven by different colors of the first sub-pixels 21 do not overlap, so that the first display area AA1 is used to drive the first driving transistors 11 of the first sub-pixels 21 of the same color.
  • a gate 111 is not affected by the first electrodes 211 of the first sub-pixels 21 of other colors, so that crosstalk of light-emitting brightness does not occur between the first sub-pixels 21 of different colors, so as to reduce or avoid the first display There is a difference between the display brightness in the area AA1 and the second display area AA2 to ensure the display effect.
  • each of the first sub-pixels 21 in AA1a in the transparent display area can be driven by the first driving transistor 11 located in the transition display area AA1b.
  • the first electrode 211 of the first sub-pixel 21 is connected to the first driving transistor 11 in the transition display area AA1b through the connection structure.
  • the corresponding driving transistor may not be provided under each first sub-pixel 21 in the transparent display area AA1a, so as to better ensure the light transmittance.
  • the orthographic projection of at least one first gate 111 and the orthographic projection of the first electrode 211 of each first sub-pixel 21 Do not overlap.
  • the first gate 111 of the first driving transistor 11 for driving the first sub-pixel 21 of the same color in the area AA1b is affected by the first electrode 211 of the first sub-pixel 21 of other colors, reducing the crosstalk of light-emitting brightness and optimizing the display Effect.
  • each second driving transistor 12 includes a second gate 121
  • each second sub-pixel 22 includes a second electrode 221 in the stacking direction X
  • the orthographic projection of the second gate 121 of each second driving transistor 12 is not the same as the orthographic projection of the second electrode 221 of the second sub-pixel 22 whose color is different from the second sub-pixel 22 driven by the second driving transistor 12 Overlap, that is, the orthographic projection of the second gate 121 of each second driving transistor 12 and the second electrode 221 of the second sub-pixel 22 other than the second sub-pixel of one color driven by the second driving transistor 12
  • the orthographic projections do not overlap, that is, the settings are staggered.
  • the second gate 121 of the second driving transistor 12 for driving the second sub-pixel 22 of the same color in the second display area AA2 is not affected by the second electrode 221 of the second sub-pixel 22 of other colors. Therefore, crosstalk of light-emitting brightness does not occur between the second sub-pixels 22 of different colors, which further reduces or avoids the difference in the display brightness between the first display area AA1 and the second display area AA2, so that the display device 100 has better performance.
  • the display effect is ensured that the second gate 121 of the second driving transistor 12 for driving the second sub-pixel 22 of the same color in the second display area AA2 is not affected by the second electrode 221 of the second sub-pixel 22 of other colors. Therefore, crosstalk of light-emitting brightness does not occur between the second sub-pixels 22 of different colors, which further reduces or avoids the difference in the display brightness between the first display area AA1 and the second display area AA2, so that the display device 100 has better performance.
  • the display effect is ensured that the second gate
  • the optimal gamma parameter when the optimal gamma parameter is adjusted for the white screen of the display panel to make the brightness of the first display area AA1 and the second display area AA2 consistent, it can also ensure that the display panel 100 is switched from the white screen to the monochrome screen. There is no difference in brightness between the first display area AA1 and the second display area AA2.
  • the orthographic projection of at least one second grid 121 and the orthographic projection of each second electrode 221 do not overlap.
  • the above configuration can better ensure the driving requirements for each second sub-pixel 22.
  • the first pixel structure and the second pixel structure have the same arrangement structure.
  • the arrangement of the second sub-pixels 22 of the second pixel structure includes RGBG, where R represents red sub-pixels, G represents green sub-pixels, B represents blue sub-pixels, and the second pixel structure may be at least partially in number.
  • the second sub-pixels 22 of the second pixel structure may be repeatedly arranged in the combination sequence of RGBG.
  • all the second sub-pixels 22 of the second pixel structure may be repeatedly arranged in the combination sequence of RGBG. That is, the arrangement of the second sub-pixels 22 of the second pixel structure may adopt a Bayer array.
  • the arrangement of the first sub-pixels 21 of the first pixel structure includes RGBD, where R represents the red sub-pixel, G represents the green sub-pixel, B represents the blue sub-pixel, and D can be the abbreviation of Dummy. It may mean that the region is provided with the first sub-pixel 21 corresponding to the arrangement structure in the second pixel structure, and the first sub-pixel 21 may not be provided with the corresponding first driving transistor 11 and is a non-luminous first sub-pixel. As long as the transmittance requirement and/or the periodicity of the pixel arrangement can be guaranteed.
  • D may be the same as G (ie, the green second sub-pixel 22c) corresponding to the second pixel arrangement of the second display area AA2, so as to ensure the period of the pixel arrangement. sex.
  • At least part of the first sub-pixels 21 in the first pixel structure may be repeatedly arranged in the RGBD combination order. In some alternative embodiments, all the first sub-pixels in the first pixel structure may be repeatedly arranged in the RGBD combination order.
  • the periodicity of the plurality of first sub-pixels 21 located in the first display area AA1 and the plurality of second sub-pixels 22 located in the second display area AA2 in the display panel 100 is ensured.
  • the coupling between the first gate 111 of the first driving transistor 11 and the corresponding first electrode 211 in the transition display area AA1b can be better matched with the second gate 121 of the second driving transistor 12 in the second display area AA2.
  • the coupling conditions of the corresponding second electrodes 221 are consistent or tend to be consistent, which better guarantees that when the display panel 100 switches from a white image to a monochrome image, there is no difference in brightness between the first display area AA1 and the second display area AA2.
  • the first driving transistors 11 are arranged in rows and columns, and optionally, the second driving transistors 12 are arranged in rows and columns.
  • the above settings are convenient for connection with corresponding data lines, signal lines and other lines.
  • the plurality of first sub-pixels 21 in the first pixel structure include green first sub-pixels 21c, red first sub-pixels 21a, and blue first sub-pixels. Sub-pixel 21b.
  • the orthographic projection of the first gate 111 of the first driving transistor 11 for driving the green first sub-pixel 21c and the orthographic projection of the first electrodes 211 do not overlap.
  • the above arrangement can facilitate the arrangement of the second pixel structure of the display panel 100 in the form of RGBG, and the arrangement of the first pixel structure in the form of RGBD, and also facilitate the row and column distribution of the first driving transistor 11 and the second driving transistor 12.
  • the orthographic projection of the first gate 111 of the first driving transistor 11 for driving the blue first sub-pixel 21b in the stacking direction X and any one of the blue first sub-pixel 21b overlap.
  • the orthographic projection of the first gate 111 of the first driving transistor 11 for driving the red first sub-pixel 21a in the stacking direction X and the first of any one of the red first sub-pixels 21a overlap.
  • the area of the space area occupied by the first drive transistor 11 is reduced, and the first display area AA1 can also be used to drive the first sub-pixel 21 of the same color.
  • the first gate 111 of the first drive transistor 11 is not affected.
  • the influence of the first electrodes 211 of the first sub-pixels 21 of other colors in turn prevents crosstalk of light-emitting brightness between the first sub-pixels 21 of different colors.
  • the red first sub-pixel 21a and the blue first sub-pixel 21b form a plurality of first row sub-pixels all extending along the first direction Y, and a plurality of green first sub-pixels
  • One sub-pixel 21c composes a plurality of second-row sub-pixels extending along the first direction Y, a plurality of first-row sub-pixels and a plurality of second-row sub-pixels are alternately arranged in the second direction Z, and each first-row sub-pixel
  • the red first sub-pixel 21a and the blue first sub-pixel 21b included in the pixel are alternately arranged, and a gap area is formed between the red first sub-pixel 21a and the blue first sub-pixel 21b, in the stacking direction X, for
  • the orthographic projection of the first gate 111 of the first driving transistor 11 that drives the green first sub-pixel 21c is located in the space area.
  • the first gate 111 of the first driving transistor 11 of the first display area AA1 used to drive the first sub-pixel 21 of the same color is not affected by the first electrodes of the first sub-pixel 21 of other colors. Based on the influence of 211, the row and column distribution of the first driving transistor 11 is more favorable.
  • the plurality of second sub-pixels 22 in the second pixel structure include green second sub-pixels 22c, red second sub-pixels 22a, and blue second sub-pixels.
  • Two sub-pixels 22b, the orthographic projection of the second gate 121 of the second driving transistor 12 for driving the green second sub-pixel 22c in the stacking direction X does not overlap with the orthographic projection of each second electrode 221 in the stacking direction X .
  • the orthographic projection of the second gate 121 of the second driving transistor 12 for driving the blue second sub-pixel 22b in the stacking direction X and any one of the blue second sub-pixel 22b overlaps; and/or, in the second pixel structure, the orthographic projection of the second gate 121 of the second driving transistor 12 for driving the red second sub-pixel 22a in the stacking direction X and any one
  • the orthographic projection of the second electrode 221 of the red second sub-pixel 22a in the stacking direction X overlaps.
  • the space occupied by the second driving transistor 12 in the interval area can be reduced, and the second gate 121 of the second driving transistor 12 for driving the second sub-pixel 22 of the same color in the second display area AA2 can also be satisfied.
  • the crosstalk of the light-emitting brightness does not occur between the second sub-pixels 22 of different colors.
  • the red second sub-pixel 22a and the blue second sub-pixel 22b form a plurality of third row sub-pixels all extending along the first direction Y, and a plurality of green second sub-pixels
  • the two sub-pixels 22c form a plurality of fourth-row sub-pixels extending along the first direction Y, and a plurality of third-row sub-pixels and a plurality of fourth-row sub-pixels are alternately arranged in the second direction Z, and each third-row sub-pixel
  • the red second sub-pixel 22a and the blue second sub-pixel 22b included in the pixel are alternately arranged, and a gap area is formed between the red second sub-pixel 22a and the blue second sub-pixel 22b, in the stacking direction X, for
  • the orthographic projection of the second gate 121 of the second driving transistor 12 that drives the green second sub-pixel 22c is located in the interval area.
  • the second gate 121 of the second driving transistor 12 of the second display area AA2 for driving the second sub-pixel 22 of the same color is not affected by the second electrodes of the second sub-pixels 22 of other colors.
  • the coupling conditions of the corresponding second electrodes 221 are the same or tend to be the same. It is further ensured that the brightness of the primary and secondary screens are consistent, and the brightness of the primary and secondary screens is not different when the display panel 100 performs the white screen switch to the monochrome screen.
  • the display panel 100 provided by the foregoing embodiments further includes an interconnection structure 30.
  • the first electrodes 211 of the first sub-pixels 21 of the same color pass through the interconnection structure 30. It is electrically connected and driven by the same first driving transistor 11.
  • the first sub-pixels 21 of the same color in the transparent display area AA1a are driven by the same first driving transistor 11, reducing the number of first driving transistors 11 and the number of wirings in the transparent display area AA1a, and thus better Ensure the transmittance requirements of the transparent display area AA1a.
  • the interconnection structure 30 has a linear structure.
  • the interconnection structure 30 may be made of a transparent material.
  • the arrangement of the second sub-pixels 22 of the second pixel structure includes RGBG
  • the arrangement of the first sub-pixels 21 of the first pixel structure includes RGBD
  • the arrangement of the first sub-pixels 21 of the first pixel structure and the arrangement of the second sub-pixels 22 of the second pixel structure may both include RGBG The combination sequence is repeated.
  • the first driving transistors for driving the first sub-pixel 21 in the transparent display area AA1a can all be placed in the transition display area AA1.
  • the transparent display area includes the interconnection structure 30
  • the number of interconnections between the first electrodes 211 of the first sub-pixels 21 of the same color in the transparent display area AA1a can be set according to requirements.
  • the respective first electrodes 211 of each of the four red first sub-pixels 21a may be electrically connected through the interconnection structure 30 and driven by the same first driving transistor 11.
  • the respective first electrodes 211 of each of the four blue first sub-pixels 21b are electrically connected through the interconnection structure 30 and driven by the same first driving transistor 11.
  • the interconnection structure 30 for connecting the green first sub-pixel 21c may have an S-shaped/bow-shaped wiring.
  • the number of interconnections of the first electrodes 211 of the first sub-pixels 21 of the same color is only an optional implementation, but not limited to the foregoing, as long as it can meet the light transmittance requirements and display requirements of the transparent display area AA1a , And reduce the impact requirements on the first gate 111.
  • the first electrodes 211 of the first sub-pixels 21 of the same color are passed through the interconnection structure 30. It is electrically connected and driven by the same first driving transistor 11.
  • the interconnection form of the first electrodes 211 of the first sub-pixels 21 of the same color in the transition display area AA1b can refer to the interconnection form of the first electrodes 211 corresponding to the first sub-pixels 21 in the transparent display area AA1a, which will not be repeated here.
  • the number of the first driving transistors 11 can be further reduced, and the light transmittance of the transition display area AA1b can be better guaranteed to be within the transparent display area AA1a. And between the second display area AA2, the display effect of the display panel 100 is optimized.
  • any first sub-pixel 21 of the same color of the first sub-pixel 21 driven by part of the first gate 111 of the first driving transistor 11 by the first driving transistor 11 The coverage of the first electrode 211 is taken as an example for illustration. Of course, this is an optional implementation, but it is not limited to the above-mentioned form. In some other examples, the orthographic projection of the first gate 111 of each first driving transistor 11 in the stacking direction X and each first sub The orthographic projections of the first electrodes 211 of the pixels 21 do not overlap.
  • the first display area AA1 is used to drive the first gate 111 of the first driving transistor 11 of the first sub-pixel 21 of the same color to be affected by the first electrode 211 of the first sub-pixel 21 of other colors.
  • the display effect is ensured.
  • the first electrodes 211 of the first sub-pixels 21 of the same color in the transparent display area AA1a and/or the transition display area AA1b are connected to each other by the interconnect structure 30, the first gates of the first driving transistors 11 may be used.
  • the display panel 100 may further include a pixel definition layer 23.
  • the pixel definition layer 23 includes a first pixel opening 231 disposed in the first display area AA1 and The second pixel opening 232 of the second display area AA2.
  • Each first sub-pixel 21 is located in one of the first pixel openings 231.
  • the first sub-pixel 21 further includes a first light-emitting structure 212 and a third electrode 213.
  • the first light-emitting structure 212 is located between the first electrode 211 and the third electrode 213.
  • the first electrode 211 is arranged close to the side of the device layer 10.
  • the orthographic projection of a first gate 111 is at least partially located inside the orthographic projection of the first pixel opening 231.
  • Such a configuration facilitates the control of the corresponding first sub-pixels, and can better ensure the light transmission effect of the transition display area AA1b, so that the light transmittance can be between the first display area AA1 and the second display area AA2.
  • each second sub-pixel 22 is located in one of the second pixel openings 232, wherein each second sub-pixel 22 further includes a second light-emitting structure 222 and a fourth electrode 223, and the second light-emitting structure 222 is located in the second pixel opening 232. Between the electrode 221 and the fourth electrode 223 and the second electrode 221 is disposed close to the device layer 10.
  • the first electrode 211 and the second electrode 221 are both anodes and can be arranged in the same layer
  • the third electrode 213 and the fourth electrode 223 are both cathodes and can be arranged in the same layer.
  • the first gate 111 and the second gate 121 are arranged in the same layer.
  • the first electrode 211 may be a light-transmitting electrode.
  • the first electrode 211 includes an indium tin oxide (ITO) layer or an indium zinc oxide layer.
  • the light transmittance of the light-transmitting display area of the display panel 100 is greater than the light transmittance of the second display area AA2, so it can meet the requirements for under-screen integration of photosensitive elements such as image collection.
  • the display panel 100 includes a device layer 10 and a light-emitting element layer 20, and the device layer 10 includes a first drive transistor 11 located in the transition display area AA1b and a second drive transistor 12 located in the second display area AA2, and the first drive transistor 11 can drive more than one first sub-pixel 21 of the same color in the transition display area AA1b and the transparent display area AA1a for image display, and the second sub-pixel 22 located in the second display area AA2 can be driven for image display through the second drive transistor 12 Display, thereby increasing the screen-to-body ratio of the display panel 100 and better meeting the requirements for full-screen display.
  • the orthographic projection of the first gate 111 of each first driving transistor 11 corresponds to the first sub-pixel of one color driven by the first driving transistor 11
  • the orthographic projections of the first electrodes 211 of the first sub-pixels 21 of colors other than 21 do not overlap, so that the first display area AA1 is used to drive the first gates of the first driving transistors 11 of the first sub-pixels 21 of the same color.
  • 111 is not affected by the first electrode 211 of the first sub-pixel 21 of other colors, which reduces or avoids the display brightness difference between the first display area AA1 and the second display area AA2, and ensures the display effect.
  • the display panel 100 has a first display area AA1 and a second display area AA2.
  • the first display area AA1 includes a transparent display area AA1a and a transition display area AA1b.
  • the light transmittance of the transparent display area AA1a is greater than that of the transition display area AA1b.
  • the display panel 100 includes a first surface S1 and a second surface S2 opposite to each other, wherein the first surface S1 is a display surface.
  • the display device further includes a photosensitive assembly 200 located on the second surface S2 side of the display panel 100, and the photosensitive assembly 200 corresponds to the position of the transparent display area AA1a in the first display area AA1.
  • the photosensitive component 200 may be an image capturing device for capturing external image information.
  • the photosensitive component 200 may be a complementary metal oxide semiconductor (Complementary Metal Oxide Semiconductor, CMOS) image acquisition device.
  • the photosensitive component 200 may also be a charge-coupled device (CCD).
  • CCD charge-coupled device
  • Image acquisition devices and other forms of image acquisition devices may not be limited to an image acquisition device.
  • the photosensitive component 200 may also be an infrared sensor, a proximity sensor, an infrared lens, a flood light sensor, an ambient light sensor, and a dot matrix projection. Light sensors such as devices.
  • the display device may also integrate other components on the second surface of the display panel 100, such as a receiver, a speaker, and the like.
  • the light transmittance of the transparent display area AA1a is greater than the light transmittance of the second display area AA2, so that the display panel 100 can integrate the photosensitive component 200 on the back of the transparent display area AA1a to realize, for example, an image capture device
  • the photosensitive component 200 is integrated under the screen, and the first display area AA1 can display images, which increases the display area of the display panel 100 and realizes a full-screen design of the display device.
  • the orthographic projection of the first gate 111 of each first driving transistor 11 is different from the color of the first sub-pixel 21 driven by the first driving transistor 11
  • the orthographic projections of the first electrodes 211 of the first sub-pixels 21 do not overlap, so that the first display area AA1 is used to drive the first gates 111 of the first driving transistors 11 of the first sub-pixels 21 of the same color.
  • the influence of the first electrode 211 of the first sub-pixel 21 reduces or avoids the difference in display brightness between the first display area AA1 and the second display area AA2, and ensures the display effect.
  • the orthographic projection of the second gate 121 of each second driving transistor 12 and the first electrode of the second sub-pixel 22 whose color is different from that of the second sub-pixel 22 driven by the second driving transistor 12 do not overlap. This makes the white screen of the display panel adjust the optimal gamma parameter to make the first display area AA1 and the second display area AA2 have the same brightness, and it can also ensure that when the display device switches from a white screen to a monochrome screen, the first display area There is no difference in brightness between AA1 and the second display area AA2, which is easy to popularize and use.

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Abstract

一种显示面板（100）以及显示装置.显示面板（100）具有第一显示区（AA1）以及第二显示区（AA2），第一显示区（AA1）具有透明显示区（AA1a）以及过渡显示区（AA1b）。显示面板（100）包括器件层（10）以及发光元件层（20），发光元件层（20）包括分布于第一显示区（AA1）的第一像素结构，第一像素结构包括多个第一子像素（21），第一子像素（21）包括第一电极（211）;器件层（10）包括第一驱动晶体管（11），第一驱动晶体管（11）包括第一栅极（111），在发光元件层（20）与器件层（10）的层叠方向上，各第一驱动晶体管（11）的第一栅极（111）的正投影与该第一驱动晶体管（11）所驱动第一子像素（21）颜色不同的第一子像素（21）的第一电极（111）的正投影不相重叠。能够使得第一显示区（AA1）与第二显示区（AA2）的显示亮度均一，提高显示面板的显示效果。

Description

显示面板以及显示装置
相关申请的交叉引用
本申请要求享有于2020年04月27日提交的名称为“显示面板以及显示装置”的中国专利申请202010346189.5的优先权，该申请的全部内容通过引用并入本文中。
技术领域
本申请涉及显示技术领域，特别是涉及一种显示面板以及显示装置。
背景技术
随着电子设备的快速发展，用户对屏占比的要求越来越高，使得电子设备的全面屏显示受到业界越来越多的关注。
传统的电子设备如手机、平板电脑需要集成诸如摄像头、红外感应元件等感光组件。因此，为了增加电子设备的感光组件对应区域的光线透过率，需对感光组件对应区域的结构进行改进。这虽然满足了感光需求，但同时也使得该区域与其他区域的显示亮度存在差异，不利于显示面板的显示。
因此，亟需一种新的显示面板以及显示装置。
发明内容
本申请提供一种显示面板以及显示装置，显示面板便于屏下感光组件集成，显示面板使得第一显示区与第二显示区的显示亮度均一，提高显示面板的显示效果。
一方面，根据本申请实施例提出了一种显示面板，具有第一显示区以及第二显示区，第一显示区具有透明显示区以及位于透明显示区和第二显示区之间的过渡显示区，透明显示区的透光率大于第二显示区的透光率，显示面板包括层叠设置的器件层以及发光元件层；发光元件层包括分布于 第一显示区的第一像素结构，第一像素结构包括多个第一子像素，第一子像素包括第一电极；器件层包括位于过渡显示区的第一驱动晶体管，每个第一驱动晶体管用于驱动过渡显示区以及透明显示区的一个以上同种颜色的第一子像素，第一驱动晶体管包括第一栅极；其中，在发光元件层与器件层的层叠方向上，每个第一驱动晶体管的第一栅极的正投影与该第一驱动晶体管所驱动的第一子像素的颜色不同的第一子像素的第一电极的正投影不相重叠。
另一个方面，根据本申请实施例提供一种显示装置，包括上述的显示面板。
根据本申请实施例提供的显示面板以及显示装置，显示面板的透光显示区的透光率大于第二显示区的透光率，因此能够满足摄像头等感光组件的屏下集成要求。因为显示面板包括器件层以及发光元件层，且器件层包括位于过渡显示区的第一驱动晶体管，而通过第一驱动晶体管能够驱动过渡显示区以及透明显示区的一个以上同种颜色的第一子像素，使得过渡显示区以及透明显示区能够显示图像，从而提高显示面板的屏占比。此外，由于在发光元件层与器件层的层叠方向上，各第一驱动晶体管的第一栅极的正投影与该第一驱动晶体管所驱动的第一子像素颜色不同的第一子像素第一电极的正投影不相重叠，从而使得第一显示区用于驱动同一颜色第一子像素的第一驱动晶体管的第一栅极不受其他颜色的第一子像素的第一电极的影响，这减小或者避免了第一显示区与第二显示区中存在的显示亮度差异，保证了显示效果。
附图说明
图1是本申请的显示面板的一个实施例的俯视结构示意图；
图2是图1中Q区的局部放大示意图；
图3是图2中包括有透明显示区以及过渡显示区的局部结构示意图；
图4是图3中沿m-m处的局部剖视结构示意图；
图5是图3中沿n-n处的局部剖视结构示意图；
图6是图2中沿p-p处的局部剖视结构示意图；
图7是本申请的显示面板的另一个实施例对应透明显示区的局部放大示意；
图8是本申请的显示面板的又一实施例对应过渡显示区的局部放大示意图；
图9是本申请的显示面板的再一实施例对应过渡显示区的局部放大示意图；
图10是本申请的显示装置的实施例的俯视结构示意图；
图11是图10中沿w-w处的局部剖视结构示意图。
具体实施方式
下面将详细描述本申请的各个方面的特征和示例性实施例，为了使本申请的目的、技术方案及优点更加清楚明白，以下结合附图及具体实施例，对本申请进行进一步详细描述。应理解，此处所描述的具体实施例仅被配置为解释本申请，并不被配置为限定本申请。对于本领域技术人员来说，本申请可以在不需要这些具体细节中的一些细节的情况下实施。下面对实施例的描述仅仅是为了通过示出本申请的示例来提供对本申请更好的理解。
应当理解，在描述部件的结构时，当将一层、一个区域称为位于另一层、另一个区域“上面”或“上方”时，可以指直接位于另一层、另一个区域上面，或者在其与另一层、另一个区域之间还包含其它的层或区域。并且，如果将部件翻转，该一层、一个区域将位于另一层、另一个区域“下面”或“下方”。
下面将详细描述本申请的各个方面的特征和示例性实施例。此外，下文中所描述的特征、结构或特性可以以任何合适的方式结合在一个或更多实施例中。
在诸如手机和平板电脑等电子设备上，需要在设置显示面板的一侧集成诸如前置摄像头、红外光传感器、接近光传感器等感光组件。在一些实施例中，可以在上述电子设备上设置透明显示区，将感光组件设置在透明显示区背面，在保证感光组件正常工作的情况下，实现电子设备的全面屏 显示。
为了提高透明显示区的透光率，通常会将透明显示区的像素密度设置的较小。为了减小透明显示区的布线数量，通常会将透明显示区的像素驱动电路设置在透明显示区的外围的过渡显示区，但是随着透明显示区的像素结构或者布线位置的改变，会使得其中一种颜色的子像素的阳极与另一种颜色的子像素的像素驱动电路，例如驱动晶体管的栅极之间耦合产生寄生电容，进而使得不同颜色子像素之间的发光亮度产生串扰，导致感光组件对应的透明显示区域与其他区域的显示亮度存在差异。
因此，为了解决上述技术问题，本申请实施例提供一种显示面板以及显示装置，下面结合图1至图11对本申请实施例的显示面板以及显示装置进行详细描述。
请参阅图1以及图2，本申请实施例提供一种显示面板100，具有第一显示区AA1以及第二显示区AA2，第一显示区AA1具有透明显示区AA1a以及位于透明显示区AA1a和第二显示区AA2之间的过渡显示区AA1b，透明显示区AA1a的透光率大于第二显示区AA2的透光率。
可选的，透明显示区AA1a的透光率大于等于15％，或甚至大于40％，或甚至具有更高的透光率。为确保透明显示区AA1a的透光率，本实施例中显示面板100的各个功能膜层的透光率均大于80％，甚至部分功能膜层的透光率均大于90％。
根据本申请实施例的显示面板100，第一显示区AA1的透明显示区AA1a的透光率大于第二显示区AA2的透光率，使得显示面板100在透明显示区AA1a的背面可以集成图像采集部件，实现例如摄像头等部件的屏下集成，同时第一显示区AA1能够显示画面，提高显示面板100的显示面积，实现显示装置的全面屏设计。
请一并参阅图1至图6，显示面板100包括层叠设置的器件层10以及发光元件层20，发光元件层20包括分布于第一显示区AA1的第一像素结构和分布于第二显示区AA2的第二像素结构，第一像素结构包括多个第一子像素21，多个第一子像素21以预定方式排列，第二像素结构中包括多个第二子像素，多个第二子像素22以预定方式排列，第一子像素21包括 第一电极211。
可选的，器件层10包括位于过渡显示区AA1b的第一驱动晶体管11，器件层10还包括位于第二显示区AA2的第二驱动晶体管12，各第一驱动晶体管11用于驱动过渡显示区AA1b以及透明显示区AA1a的一个以上同种颜色的第一子像素21，每个第二驱动晶体管12用于驱动其中一个第二子像素22，第一驱动晶体管11包括第一栅极111。其中，在发光元件层20与器件层10的层叠方向X上，各第一驱动晶体管11的第一栅极111的正投影与该第一驱动晶体管11所驱动的第一子像素21颜色不同的第一子像素21的第一电极211的正投影不相重叠，也就是说，各第一驱动晶体管11的第一栅极111的正投影与该第一驱动晶体管11所驱动的一种颜色第一子像素21以外的其他颜色第一子像素21的第一电极211的正投影不相重叠或者说错开设置。
本申请实施例提供的显示面板100，通过限定在发光元件层20与器件层10的层叠方向X上，各第一驱动晶体管11的第一栅极111的正投影与该第一驱动晶体管11所驱动的第一子像素21颜色不同第一子像素21第一电极211的正投影不相重叠，从而使得第一显示区AA1用于驱动同一颜色第一子像素21的第一驱动晶体管11的第一栅极111不受其他颜色的第一子像素21的第一电极211的影响，进而使得不同颜色的第一子像素21之间不会发生发光亮度的串扰，以减小或者避免第一显示区AA1与第二显示区AA2中的显示亮度存在差异，保证显示效果。
可选的，透明显示区中AA1a中各第一子像素21均可以由位于过渡显示区AA1b中的第一驱动晶体管11驱动，为了清晰表示，图2、图3中只是示例性的以其中一个第一子像素21的第一电极211通过连接结构与过渡显示区AA1b中第一驱动晶体管11连接。在具体实施时，透明显示区AA1a中各第一子像素21下方可以不设置相应的驱动晶体管，以更好的保证透光率。
作为一种可选的实施方式，上述各实施例提供的显示面板100，在层叠方向X上，至少一个第一栅极111的正投影与各第一子像素21的第一电极211的正投影不相重叠。通过上述设置，既能够保证位于过渡显示区 AA1b中的第一驱动晶体管11对透明显示区AA1a以及过渡显示区AA1b中各第一子像素21的驱动要求，同时能够更好的避免放置于过渡显示区AA1b中用于驱动同一颜色第一子像素21的第一驱动晶体管11的第一栅极111受其他颜色的第一子像素21的第一电极211的影响，减少发光亮度的串扰，优化显示效果。
在一些可选的实施例中，上述各实施例提供的显示面板100，每个第二驱动晶体管12包括第二栅极121，每个第二子像素22包括第二电极221，在层叠方向X上，各第二驱动晶体管12的第二栅极121的正投影与该第二驱动晶体管12所驱动的第二子像素22颜色不同的第二子像素22的第二电极221的正投影不相重叠，即，各第二驱动晶体管12的第二栅极121的正投影与该第二驱动晶体管12所驱动的一种颜色第二子像素以外的其他第二子像素22的第二电极221的正投影不相重叠，即错开设置。
通过上述设置，保证第二显示区AA2中用于驱动同一颜色第二子像素22的第二驱动晶体管12的第二栅极121不受其他颜色的第二子像素22的第二电极221的影响，进而不同颜色的第二子像素22之间不会发生发光亮度的串扰，进一步减小或者避免第一显示区AA1与第二显示区AA2中的显示亮度存在差异，使得显示装置100具有更好的显示效果。
并且，通过上述设置，显示面板白色画面下调最佳伽马(Gamma)参数使第一显示区AA1与第二显示区AA2亮度一致时，还能够保证显示面板100由白色画面切换至单色画面时第一显示区AA1以及第二显示区AA2之间亮度无差异。
作为一种可选的实施方式，至少一个第二栅极121的正投影与各第二电极221的正投影不相重叠。上述设置能够更好的保证对各第二子像素22的驱动要求。
在一些可选的实施例中，上述各实施例提供的显示面板100，第一像素结构及第二像素结构具有相同的排布结构。
可选的，第二像素结构的第二子像素22的排布方式包括RGBG，其中，R代表红色子像素，G代表绿色子像素，B代表蓝色子像素，第二像素结构可以至少部分数量的第二子像素22以RGBG的组合顺序重复排 列，一些可选的实施例中，第二像素结构的所有第二子像素22可以均以RGBG的组合顺序重复排列。即，第二像素结构的第二子像素22的排列方式可以采用拜耳阵列。
可选的，第一像素结构的第一子像素21的排布方式包括RGBD，其中，R代表红色子像素，G代表绿色子像素，B代表蓝色子像素，D可以指Dummy的缩写，Dummy可以是指该区域对应设置有与第二像素结构中排布结构一致的第一子像素21，该第一子像素21可以不设置相应的第一驱动晶体管11，为非发光第一子像素。只要能够保证透光率要求和/或保证像素排布的周期性均可。例如，图2所示的附图中，D可以是与第二显示区AA2的第二像素排布中相对应的G(即绿色第二子像素22c)的一致，以保证像素排布的周期性。
第一像素结构中至少部分数量的第一子像素21可以RGBD的组合顺序重复排列，一些可选的实施例中，第一像素结构的所有第一子像素可以均以RGBD的组合顺序重复排列。
通过上述设置，保证显示面板100中位于第一显示区AA1中多个第一子像素21以及位于第二显示区AA2中多个第二子像素22的周期性。同时，能够更好的使得过渡显示区AA1b中第一驱动晶体管11的第一栅极111与相应第一电极211的耦合情况与第二显示区AA2中第二驱动晶体管12的第二栅极121与相应第二电极221的耦合情况一致或者趋于一致，更好的保证显示面板100由白色画面切换至单色画面时，第一显示区AA1以及第二显示区AA2之间亮度无差异。
作为一种可选的实施方式，上述各实施例提供的显示面板100，其各第一驱动晶体管11成行成列排布，可选的，其各第二驱动晶体管12成行成列排布。上述设置便于与相应的数据线、信号线等线路连接。
在一些可选的实施例中，上述各实施例提供的显示面板，第一像素结构中的多个第一子像素21包括绿色第一子像素21c、红色第一子像素21a以及蓝色第一子像素21b。在层叠方向X上，用于驱动绿色第一子像素21c的第一驱动晶体管11的第一栅极111的正投影与各第一电极211的正投影不相重叠。通过上述设置，能够利于显示面板100的第二像素结构以 RGBG的形式排布，且第一像素结构以RGBD的形式排布，同时更利于第一驱动晶体管11、第二驱动晶体管12行列分布。
可选的，第一像素结构中，用于驱动蓝色第一子像素21b的第一驱动晶体管11的第一栅极111在层叠方向X的正投影与任意一个蓝色第一子像素21b的第一电极211在层叠方向X上的正投影重叠。和/或，第一像素结构中，用于驱动红色第一子像素21a的第一驱动晶体管11的第一栅极111在层叠方向X的正投影与任意一个红色第一子像素21a的第一电极211在层叠方向X上的正投影重叠。通过上述设置，减小第一驱动晶体管11占用间隔区域的面积，且同样能够满足第一显示区AA1用于驱动同一颜色第一子像素21的第一驱动晶体管11的第一栅极111不受其他颜色的第一子像素21的第一电极211的影响，进而使得不同颜色的第一子像素21之间不会发生发光亮度的串扰。
作为一种可选的实施方式，第一像素结构中，红色第一子像素21a以及蓝色第一子像素21b组成多个均沿第一方向Y延伸的第一行子像素，多个绿色第一子像素21c组成多个沿第一方向Y延伸的第二行子像素，多个第一行子像素以及多个第二行子像素在第二方向Z上交替设置，每个第一行子像素所包括的红色第一子像素21a以及蓝色第一子像素21b交替设置，红色第一子像素21a以及蓝色第一子像素21b之间形成有间隔区域，在层叠方向X上，用于驱动绿色第一子像素21c的第一驱动晶体管11的第一栅极111的正投影位于间隔区域。
通过上述设置，能够更好的保证第一显示区AA1用于驱动同一颜色第一子像素21的第一驱动晶体管11的第一栅极111不受其他颜色的第一子像素21的第一电极211的影响的基础上，更利于第一驱动晶体管11的行列分布。
作为一种可选的实施方式，上述各实施例提供的显示面板100，第二像素结构中的多个第二子像素22包括绿色第二子像素22c、红色第二子像素22a以及蓝色第二子像素22b，用于驱动绿色第二子像素22c的第二驱动晶体管12的第二栅极121在层叠方向X上的正投影与各第二电极221在层叠方向X的正投影不相重叠。
可选的，第二像素结构中，用于驱动蓝色第二子像素22b的第二驱动晶体管12的第二栅极121在层叠方向X的正投影与任意一个蓝色第二子像素22b的第二电极221的正投影重叠；和/或，第二像素结构中，用于驱动红色第二子像素22a的第二驱动晶体管12的第二栅极121在层叠方向X的正投影与任意一个红色第二子像素22a的第二电极221在层叠方向X的正投影重叠。通过上述设置，能够减小第二驱动晶体管12占用间隔区域的空间，且同样能够满足第二显示区AA2用于驱动同一颜色第二子像素22的第二驱动晶体管12的第二栅极121不受其他颜色的第二子像素22的第二电极221的影响，进而使得不同颜色的第二子像素22之间不会发生发光亮度的串扰。
作为一种可选的实施方式，第二像素结构中，红色第二子像素22a以及蓝色第二子像素22b组成多个均沿第一方向Y延伸的第三行子像素，多个绿色第二子像素22c组成多个沿第一方向Y延伸的第四行子像素，多个第三行子像素以及多个第四行子像素在第二方向Z上交替设置，每个第三行子像素所包括的红色第二子像素22a以及蓝色第二子像素22b交替设置，红色第二子像素22a以及蓝色第二子像素22b之间形成有间隔区域，在层叠方向X上，用于驱动绿色第二子像素22c的第二驱动晶体管12的第二栅极121的正投影位于间隔区域。
通过上述设置，能够更好的保证第二显示区AA2用于驱动同一颜色第二子像素22的第二驱动晶体管12的第二栅极121不受其他颜色的第二子像素22的第二电极221的影响。进一步的，还能够保证过渡显示区AA1b中第一驱动晶体管11的第一栅极111与相应第一电极211的耦合情况与第二显示区AA2中第二驱动晶体管12的第二栅极121与相应第二电极221的耦合情况一致或者趋于一致。进一步保证主副屏亮度一致，并使得显示面板100在执行白色画面切换至单色画面时主副屏亮度无差异。
如图7所示，上述各实施例提供的显示面板100，还包括互联结构30，在透明显示区AA1a中，两个以上同种颜色的第一子像素21的第一电极211通过互联结构30电连接并由同一个第一驱动晶体管11驱动。通过上述设置，透明显示区AA1a中的同种颜色的第一子像素21由同一个第一 驱动晶体管11驱动，减少第一驱动晶体管11的数量以及透明显示区AA1a的布线数量，进而更好的保证透明显示区AA1a的透光率要求。
可选的，互联结构30呈线状结构。可选的，互联结构30可以由透明材料制成。
可以理解的是，上述各实施例，均是以第二像素结构的第二子像素22的排布方式包括RGBG，第一像素结构的第一子像素21的排布方式包括RGBD，此为一种可选的实施方式，在一些其他的示例中，还可以使得第一像素结构的第一子像素21的排布方式以及第二像素结构的第二子像素22的排布方式均包括RGBG的组合顺序重复排列。
在具体实施时，用于驱动透明显示区AA1a中第一子像素21的第一驱动晶体管均可以放置于过渡显示区AA1。当透明显示区包括互联结构30时，透明显示区AA1a中同种颜色的第一子像素21的第一电极211互联的数量可以根据要求设定。在有些示例中，可以将每四个红色第一子像素21a各自的第一电极211通过互联结构30电连接并通过同一第一驱动晶体管11驱动。每四个蓝色第一子像素21b各自的第一电极211通过互联结构30电连接并通过同一第一驱动晶体管11驱动。且每八个绿色第一子像素21c各自的第一电极211通过互联结构30电连接并通过同一第一驱动晶体管11驱动。此时，用于连接绿色第一子像素21c的互联结构30可以呈S型/弓型走线。通过上述设置，不仅能够满足同种颜色的第一子像素的互联需求，同时，还能够减少互联结构30对第一栅极111的影响。
当然，上述同种颜色的第一子像素21的第一电极211互联的数量只是一种可选的实施方式，但不限于上述方式，只要能够满足透明显示区AA1a的透光率要求以及显示要求，并减小对第一栅极111的影响要求均可。
在显示面板100的一些可选的实施例中，如图8和图9所示，在过渡显示区AA1b中，两个以上同种颜色的第一子像素21的第一电极211通过互联结构30电连接并由同一个第一驱动晶体管11驱动。过渡显示区AA1b中同种颜色的第一子像素21的第一电极211互联形式可以参照上述透明显示区AA1a中对应第一子像素21的第一电极211的互联形式，在此 不重复赘述。
通过使得过渡显示区AA1b中的第一子像素21的第一电极211互联，能够进一步减少第一驱动晶体管11的数量，更好的保证过渡显示区AA1b的透光率能够介于透明显示区AA1a以及第二显示区AA2之间，优化显示面板100的显示效果。
可以理解的是，上述各实施例，是以部分第一驱动晶体管11的第一栅极111被该第一驱动晶体管11所驱动的第一子像素21同种颜色的任意第一子像素21的第一电极211覆盖为例进行举例说明。当然，此为一种可选的实施方式，但不限于上述形式，在一些其他的示例中，各第一驱动晶体管11的第一栅极111在层叠方向X上的正投影与各第一子像素21的第一电极211的正投影不相重叠。
通过上述设置，同样能够满足第一显示区AA1用于驱动同一颜色第一子像素21的第一驱动晶体管11的第一栅极111不受其他颜色的第一子像素21的第一电极211的影响，以减小或者避免第一显示区AA1与第二显示区AA2中的显示亮度存在差异，保证显示效果。尤其当透明显示区AA1a和/或过渡显示区AA1b中的同种颜色的第一子像素21的第一电极211采用互联结构30相互连接时，可以采用各第一驱动晶体管11的第一栅极111在层叠方向X上的正投影与各第一子像素21的第一电极211的正投影不相重叠的实施结构。
请继续参阅图1至图9，在一些可选的实施例中，显示面板100还可包括像素定义层23，像素定义层23包括设置于第一显示区AA1的第一像素开口231以及设置于第二显示区AA2的第二像素开口232。每个第一子像素21位于其中一个第一像素开口231，第一子像素21还包括第一发光结构212以及第三电极213，第一发光结构212位于第一电极211以及第三电极213之间，且第一电极211靠近器件层10的一侧设置。在层叠方向X上，一个第一栅极111的正投影至少部分位于第一像素开口231的正投影的内部。如此设置，利于对相应第一子像素的控制，且能够更好的保证过渡显示区AA1b的透光效果，使其透光率能够介于第一显示区AA1以及第二显示区AA2之间。
可选的，每个第二子像素22位于其中一个第二像素开口232，其中，每个第二子像素22还包括第二发光结构222以及第四电极223，第二发光结构222位于第二电极221以及第四电极223之间且第二电极221靠近器件层10设置。
可选的，在显示面板100中，第一电极211以及第二电极221均为阳极且可以同层设置，第三电极213以及第四电极223均为阴极且可以同层设置，可选的，第一栅极111以及第二栅极121同层设置。
作为一种可选的实施方式，第一电极211可以为透光电极。在一些实施例中，第一电极211包括氧化铟锡(Indium Tin Oxide，ITO)层或氧化铟锌层。
在本申请实施例提供的显示面板100中，显示面板100的透光显示区的透光率大于第二显示区AA2的透光率，因此能够满足图像采集等感光元件的屏下集成要求。
因为显示面板100包括器件层10以及发光元件层20，且器件层10包括位于过渡显示区AA1b的第一驱动晶体管11以及位于第二显示区AA2的第二驱动晶体管12，而通过第一驱动晶体管11能够驱动过渡显示区AA1b以及透明显示区AA1a的一个以上同种颜色的第一子像素21进行图像显示，通过第二驱动晶体管12能够驱动位于第二显示区AA2的第二子像素22进行图像显示，从而提高显示面板100的屏占比，更好地满足全面屏显示要求。
此外，由于在发光元件层20与器件层10的层叠方向X上，各第一驱动晶体管11的第一栅极111的正投影与该第一驱动晶体管11所驱动的一种颜色第一子像素21以外的其他颜色的第一子像素21第一电极211的正投影不相重叠，从而使得第一显示区AA1用于驱动同一颜色第一子像素21的第一驱动晶体管11的第一栅极111不受其他颜色的第一子像素21的第一电极211的影响，这减小或者避免了第一显示区AA1与第二显示区AA2中存在的显示亮度差异，保证了显示效果。
本申请另一方面还提供一种显示装置，包括上述任一实施例的显示面板100。显示面板100具有第一显示区AA1以及第二显示区AA2，第一显 示区AA1包括透明显示区AA1a以及过渡显示区AA1b，透明显示区AA1a的透光率大于过渡显示区AA1b的透光率。显示面板100包括相对的第一表面S1和第二表面S2，其中第一表面S1为显示面。显示装置还包括感光组件200，该感光组件200位于显示面板100的第二表面S2侧，感光组件200与第一显示区AA1中透明显示区AA1a的位置相对应。
感光组件200可以是图像采集装置，用于采集外部图像信息。本实施例中，感光组件200可以为互补金属氧化物半导体(Complementary Metal Oxide Semiconductor，CMOS)图像采集装置，在其它一些实施例中，感光组件200也可以是电荷耦合器件(Charge-coupled Device，CCD)图像采集装置等其它形式的图像采集装置。可以理解的是，感光组件200可以不限于是图像采集装置，例如在一些实施例中，感光组件200也可以是红外传感器、接近传感器、红外镜头、泛光感应元件、环境光传感器以及点阵投影器等光传感器。此外，显示装置在显示面板100的第二表面还可以集成其它部件，例如是听筒、扬声器等。
根据本申请实施例的显示装置，透明显示区AA1a的透光率大于第二显示区AA2的透光率，使得显示面板100在透明显示区AA1a的背面可以集成感光组件200，实现例如图像采集装置的感光组件200的屏下集成，同时第一显示区AA1能够显示画面，提高显示面板100的显示面积，实现显示装置的全面屏设计。
并且，因为在发光元件层20与器件层10的层叠方向X上，各第一驱动晶体管11的第一栅极111的正投影与该第一驱动晶体管11所驱动第一子像素21颜色不同的第一子像素21第一电极211的正投影不相重叠，从而使得第一显示区AA1用于驱动同一颜色第一子像素21的第一驱动晶体管11的第一栅极111不受其他颜色的第一子像素21的第一电极211的影响，这减小或者避免了第一显示区AA1与第二显示区AA2中存在的显示亮度差异，保证了显示效果。
进一步的，在层叠方向X上，各第二驱动晶体管12的第二栅极121的正投影与该第二驱动晶体管12所驱动的第二子像素22颜色不同的第二子像素22第一电极211的正投影不相重叠。这使得显示面板白色画面下 调最佳伽马(Gamma)参数使第一显示区AA1与第二显示区AA2亮度一致时，还能够保证显示装置由白色画面切换至单色画面时，第一显示区AA1以及第二显示区AA2之间亮度无差异，易于推广使用。
虽然已经参考优选实施例对本申请进行了描述，但在不脱离本申请的范围的情况下，可以对其进行各种改进并且可以用等效物替换其中的部件。尤其是，只要不存在结构冲突，各个实施例中所提到的各项技术特征均可以任意方式组合起来。本申请并不局限于文中公开的特定实施例，而是包括落入权利要求的范围内的所有技术方案。

Claims (20)

  1. 一种显示面板，具有第一显示区以及第二显示区，所述第一显示区具有透明显示区以及位于所述透明显示区和所述第二显示区之间的过渡显示区，所述透明显示区的透光率大于所述第二显示区的透光率，所述显示面板包括层叠设置的器件层以及发光元件层；
    所述发光元件层包括分布于所述第一显示区的第一像素结构，所述第一像素结构包括多个第一子像素，所述第一子像素包括第一电极；
    所述器件层包括位于所述过渡显示区的第一驱动晶体管，每个所述第一驱动晶体管用于驱动所述过渡显示区以及所述透明显示区的一个以上同种颜色的所述第一子像素，所述第一驱动晶体管包括第一栅极；
    其中，在所述发光元件层与所述器件层的层叠方向上，每个所述第一驱动晶体管的所述第一栅极的正投影与该所述第一驱动晶体管所驱动的所述第一子像素的颜色不同的所述第一子像素的所述第一电极的正投影不相重叠。
  2. 根据权利要求1所述的显示面板，其中，所述发光元件层还包括分布于所述第二显示区的第二像素结构，所述第二像素结构包括多个第二子像素，所述第一像素结构及所述第二像素结构具有相同的排布结构；
    其中，所述第二像素结构的所述第二子像素的排列方式包括RGBG，所述第一像素结构的所述第一子像素的排列方式包括RGBD或者RGBG。
  3. 根据权利要求1或2所述的显示面板，其中，在所述层叠方向上，至少一个所述第一栅极的正投影与各所述第一子像素的所述第一电极的正投影不相重叠。
  4. 根据权利要求3所述的显示面板，其中，所述第一像素结构中的多个所述第一子像素包括绿色第一子像素、红色第一子像素以及蓝色第一子像素，在所述层叠方向上，用于驱动所述绿色第一子像素的所述第一驱动晶体管的所述第一栅极的正投影与各所述第一电极的正投影不相重叠。
  5. 根据权利要求4所述的显示面板，其中，在所述层叠方向上，用 于驱动所述蓝色第一子像素的所述第一驱动晶体管的所述第一栅极的正投影与任意一个所述蓝色第一子像素的所述第一电极的正投影重叠。
  6. 根据权利要求4所述的显示面板，其中，在所述层叠方向上，用于驱动所述红色第一子像素的所述第一驱动晶体管的所述第一栅极的正投影与任意一个所述红色第一子像素的所述第一电极的正投影重叠。
  7. 根据权利要求4所述的显示面板，其中，所述红色第一子像素以及所述蓝色第一子像素在第一方向上间隔且交替设置并形成有间隔区域，在所述层叠方向上，用于驱动所述绿色第一子像素的所述第一驱动晶体管的所述第一栅极的正投影位于所述间隔区域。
  8. 根据权利要求2所述的显示面板，其中，每个所述第二子像素包括第二电极，所述器件层还包括位于所述第二显示区的第二驱动晶体管，每个所述第二驱动晶体管用于驱动其中一个所述第二子像素，所述第二驱动晶体管包括第二栅极，在所述层叠方向上，每个所述第二驱动晶体管的所述第二栅极的正投影与该所述第二驱动晶体管所驱动的所述第二子像素的颜色不同的所述第二子像素的所述第二电极的正投影不相重叠。
  9. 根据权利要求8所述的显示面板，其中，在所述层叠方向上，至少一个所述第二栅极的正投影与各所述第二电极的正投影不相重叠。
  10. 根据权利要求8所述的显示面板，其中，所述第二像素结构中的多个所述第二子像素包括绿色第二子像素、红色第二子像素以及蓝色第二子像素，在所述层叠方向上，用于驱动所述绿色第二子像素的所述第二驱动晶体管的所述第二栅极的正投影与各所述第二电极的正投影不相重叠。
  11. 根据权利要求10所述的显示面板，其中，在所述层叠方向上，用于驱动所述蓝色第二子像素的所述第二驱动晶体管的所述第二栅极的正投影与任意一个所述蓝色第二子像素的所述第二电极的正投影重叠。
  12. 根据权利要求10所述的显示面板，其中，在所述层叠方向，用于驱动所述红色第二子像素的所述第二驱动晶体管的所述第二栅极的正投影与任意一个所述红色第一子像素的所述第二电极的正投影重叠。
  13. 根据权利要求10所述的显示面板，其中，所述第二像素结构中，所述红色第二子像素以及所述蓝色第二子像素在第一方向上间隔且交替设置并形成有间隔区域，在所述层叠方向上，用于驱动所述绿色第二子像素的所述第二驱动晶体管的所述第二栅极的正投影位于所述间隔区域。
  14. 根据权利要求8所述的显示面板，其中，所述第一电极以及所述第二电极均为阳极。
  15. 根据权利要求8所述的显示面板，其中，所述第一栅极以及所述第二栅极同层设置。
  16. 根据权利要求1或2所述的显示面板，其中，所述显示面板还包括互联结构，在所述透明显示区中，两个以上同种颜色的所述第一子像素的所述第一电极通过所述互联结构电连接并由同一个所述第一驱动晶体管驱动。
  17. 根据权利要求16所述的显示面板，其中，在所述过渡显示区中，两个以上同种颜色的所述第一子像素的所述第一电极通过所述互联结构电连接并由同一个所述第一驱动晶体管驱动。
  18. 根据权利要求2所述的显示面板，其中，各所述第一驱动晶体管行列分布；和/或，各所述第二驱动晶体管行列分布。
  19. 根据权利要求2所述的显示面板，其中，所述显示面板还包括像素定义层，所述像素定义层包括设置于所述第一显示区的第一像素开口以及设置于所述第二显示区的第二像素开口，每个所述第一子像素位于其中一个所述第一像素开口，每个所述第二子像素位于其中一个所述第二像素开口；
    其中，在所述层叠方向上，一个以上所述第一栅极的正投影至少部分位于所述第一像素开口的正投影的内部。
  20. 一种显示装置，包括如权利要求1至19任意一项所述的显示面板。
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