CN113012620B - Display panel - Google Patents
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- CN113012620B CN113012620B CN202110328567.1A CN202110328567A CN113012620B CN 113012620 B CN113012620 B CN 113012620B CN 202110328567 A CN202110328567 A CN 202110328567A CN 113012620 B CN113012620 B CN 113012620B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/2007—Display of intermediate tones
- G09G3/2074—Display of intermediate tones using sub-pixels
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0271—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
- G09G2320/0276—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping for the purpose of adaptation to the characteristics of a display device, i.e. gamma correction
Abstract
The invention discloses a display panel. The display panel includes: a substrate including a first display region, a second display region, and a transition display region; a pixel defining layer comprising: a plurality of first pixel openings arranged in the first display region; a plurality of second pixel openings arranged in the second display region; and a plurality of third pixel openings arranged in the transitional display region; a plurality of first light emitting elements accommodated in the corresponding first pixel openings; a plurality of second light emitting elements accommodated in the corresponding second pixel openings; and a plurality of third light emitting elements accommodated in the corresponding third pixel openings, wherein the area of the second pixel openings is smaller than that of the first pixel openings, and the area difference between the third pixel openings and the second pixel openings is smaller than that between the third pixel openings and the first pixel openings. According to the display panel provided by the embodiment of the invention, the display effect difference between the transition display area and the second display area is reduced, and the consistency of the display effect of the display panel is improved to a certain extent.
Description
Technical Field
The invention relates to the field of display, in particular to a display panel.
Background
With the rapid development of electronic devices, users have higher requirements for the functional diversity of display panels. For example, it is necessary to configure at least a part of the area of the display panel as a light-transmissive and displayable area. A transition display area is usually required between the light-permeable display area and the normal display area. At this time, the display panel includes a plurality of display regions.
In the display panel including a plurality of display regions of the related art, the visual effects of the plurality of display regions have strong differences in some states.
Disclosure of Invention
The invention provides a display panel, which reduces the visual difference of display effect in a display state.
An embodiment of the present invention provides a display panel, including: a substrate including a first display region, a second display region, and a transition display region between the first display region and the second display region; a pixel defining layer on the substrate, the pixel defining layer including: a plurality of first pixel openings arranged in the first display region; a plurality of second pixel openings arranged in the second display region; and a plurality of third pixel openings arranged in the transitional display region; a plurality of first light emitting elements positioned in the first display region, at least a portion of each of the first light emitting elements being received in a corresponding one of the first pixel openings; a plurality of second light emitting elements positioned in the second display region, at least a portion of each of the second light emitting elements being received in a corresponding one of the second pixel openings; and a plurality of third light emitting elements located in the transitional display region, at least a portion of each third light emitting element being received in a corresponding one of the third pixel openings, wherein an area of the second pixel opening is smaller than an area of the first pixel opening, and an area difference between the third pixel opening and the second pixel opening is smaller than an area difference between the third pixel opening and the first pixel opening.
According to the display panel of the embodiment of the invention, the area of the first pixel opening, the area of the second pixel opening, and the area of the third pixel opening are respectively equivalent to the light emitting area of the first light emitting element, the light emitting area of the second light emitting element, and the light emitting area of the third light emitting element. The area of the second pixel opening is smaller than that of the first pixel opening, so that the light-emitting area of the light-emitting element of the second display area is different from that of the light-emitting element of the first display area. The area difference between the third pixel opening and the second pixel opening is smaller than the area difference between the third pixel opening and the first pixel opening, so that the light-emitting area of the third light-emitting element is closer to the light-emitting area of the second light-emitting element. When the display panel is in a display state, the light-emitting effect of the third light-emitting element in the transition display area is closer to that of the second light-emitting element, so that the display effect difference between the transition display area and the second display area is reduced, and the consistency of the display effect of the display panel is improved to a certain extent.
According to the foregoing embodiment of the present invention, the area difference between the third pixel opening and the second pixel opening is equal to or less than 5% of the area of the third pixel opening. The area difference between the third pixel opening and the second pixel opening is small, and when the display panel is in a display state, the light-emitting effect of the third light-emitting element in the transition display area is consistent with the light-emitting effect of the second light-emitting element, so that the display effect difference between the transition display area and the second display area is further reduced, and the consistency of the display effect of the display panel is further improved.
According to some of the foregoing embodiments of the invention, the area of the third pixel opening is equal to the area of the second pixel opening. When the display panel is in a display state, the light-emitting effect of the third light-emitting element in the transition display area is almost consistent with that of the second light-emitting element, the display effect difference between the transition display area and the second display area is almost difficult to distinguish visually, and the consistency of the display effect of the display panel is improved.
According to some of the foregoing embodiments of the invention, the third pixel opening has the same shape as the second pixel opening; and/or the arrangement mode of the plurality of third pixel openings is the same as that of the plurality of second pixel openings. When the display panel is in a display state, the light-emitting effect of the third light-emitting element in the transition display area is completely the same as that of the second light-emitting element, and the display effect between the transition display area and the second display area is the same, which is equivalent to combining into one display area in vision, thereby improving the consistency of the display effect of the display panel.
According to some of the foregoing embodiments of the invention, each of the first light emitting elements includes a first reflective electrode, each of the second light emitting elements includes a second reflective electrode, and each of the third light emitting elements includes a third reflective electrode, wherein an area of the second reflective electrode is smaller than an area of the first reflective electrode, and an area difference between the third reflective electrode and the first reflective electrode is smaller than an area difference between the third reflective electrode and the second reflective electrode. The larger the area of the reflective electrode is, the stronger the reflection effect on light rays is. When the display panel is in a non-display state, namely the display panel is not lightened, the light reflection effect of the third reflective electrode of the transitional display area is closer to the light reflection effect of the first reflective electrode, the light reflection capability of the transitional display area under a unit area is closer to the light reflection capability of the first display area under the unit area, the difference in the viewing sense between the transitional display area and the first display area is reduced, and the consistency in the viewing sense of the display panel in the non-display state is improved to a certain degree.
According to some embodiments of the present invention, the difference between the areas of the third reflective electrode and the first reflective electrode is less than or equal to 5% of the area of the first reflective electrode. When the display panel is in a non-display state, the light reflection capacity of the transitional display area in unit area is more consistent with that of the first display area in unit area, so that the difference in viewing sense between the transitional display area and the first display area is further reduced, and the viewing sense consistency of the display panel in the non-display state is further improved.
According to some of the foregoing embodiments of the invention, the area of the third reflective electrode is equal to the area of the first reflective electrode. When the display panel is in a non-display state, the light reflection capacity of the transitional display area in unit area is basically the same as that of the first display area in unit area, the transitional display area and the first display area are basically the same in appearance, the black state effect is basically the same, and the consistency of the appearance of the display panel in the non-display state is improved.
According to some of the foregoing embodiments of the invention, the area of the second reflective electrode is smaller than the area of the third reflective electrode. At the moment, the area of the second reflecting electrode is smaller than that of the first reflecting electrode and that of the third reflecting electrode, so that the reflecting area ratio under the unit area in the second display area is reduced, more areas are set as light-transmitting areas, and the light-transmitting performance of the second display area is improved. When the dorsal part of display panel was equipped with the photosensitive assembly who corresponds with the second display area, can improve photosensitive assembly's the light that advances to promote the sensitization effect.
According to some of the foregoing embodiments of the invention, the display panel further includes: a driving array layer between the substrate and the pixel defining layer, the driving array layer including: a plurality of first pixel circuits each electrically connected to a corresponding first light emitting element; a plurality of second pixel circuits each electrically connected to a corresponding second light emitting element; and each third pixel circuit is electrically connected with the corresponding third light-emitting element, wherein the first pixel circuits are positioned in the first display area, and the second pixel circuits and the third pixel circuits are positioned in the transitional display area. The second pixel circuit for driving the second light-emitting element in the second display area to emit light is arranged in the transition display area, so that the area occupied by the light-tight structure in the second display area is reduced, and the light transmission capability of the second display area is improved.
According to some embodiments of the present invention, in the display state, the gamma curve corresponding to the driving voltage received by the second pixel circuit is the same as the gamma curve corresponding to the driving voltage received by the third pixel circuit. In a display state, when the driving voltage with the same value is received, the display brightness of the second light-emitting element and the display brightness of the third light-emitting element are more consistent, the display effect difference between the transition display area and the second display area is further reduced, and the consistency of the display effect of the display panel is further improved.
Drawings
Other features, objects and advantages of the invention will become apparent from the following detailed description of non-limiting embodiments thereof, when read in conjunction with the accompanying drawings, in which like reference characters designate the same or similar parts throughout the figures thereof, and which are not to scale.
FIG. 1 is a schematic top view of one embodiment of a display panel according to the present invention;
FIG. 2 is an enlarged schematic view of the area Q1 in FIG. 1;
FIG. 3 is an enlarged schematic view of a first display area, a second display area and a transition display area of an embodiment of a display panel according to the invention;
fig. 4 is a schematic sectional view taken along the line a-a in fig. 3.
Detailed Description
Features and exemplary embodiments of various aspects of the present invention will be described in detail below, and in order to make objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It will be apparent to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the present invention by illustrating examples of the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
It will be understood that when a layer, region or layer is referred to as being "on" or "over" another layer, region or layer in describing the structure of the component, it can be directly on the other layer, region or layer or intervening layers or regions may also be present. Also, if the component is turned over, one layer or region may be "under" or "beneath" another layer or region.
Fig. 1 is a schematic top view of an embodiment of a display panel according to the present invention, and fig. 2 is an enlarged schematic view of a region Q1 in fig. 1. The display panel 100 includes a substrate 110. The substrate 110 may be an influence substrate such as glass, or a flexible substrate including a Polyimide (PI) layer.
The substrate 110 includes a first display area DA1, a second display area DA2, and a transition display area TA between the first display area DA1 and the second display area DA 2. In some embodiments, the substrate 110 further includes a non-display area NA surrounding at least a portion of the outer circumferences of the first display area DA1, the second display area DA2, and the transition display area TA. In this embodiment, the second display area DA2 is illustrated as being circular and the transition display area TA is illustrated as being circular, but in other embodiments, the shapes of the first display area DA1, the second display area DA2 and the transition display area TA are not limited to this example, and may be other shapes.
Fig. 3 is an enlarged schematic view of a first display region, a second display region and a transition display region of an embodiment of a display panel according to the present invention, and fig. 4 is a schematic cross-sectional view taken along a-a direction in fig. 3.
The display panel 100 further includes a pixel defining layer 120, a plurality of first light emitting elements 130, a plurality of second light emitting elements 140, and a plurality of third light emitting elements 150.
The pixel defining layer 120 is located on the substrate 110. The pixel defining layer 120 includes a plurality of first pixel openings 121, a plurality of second pixel openings 122, and a plurality of third pixel openings 123. The plurality of first pixel openings 121 are arranged in the first display area DA 1. The plurality of second pixel openings 122 are arranged in the second display area DA 2. The plurality of third pixel openings 123 are arranged in the transitional display area TA.
A plurality of first light emitting elements 130 are positioned in the first display area DA1, and at least a portion of each of the first light emitting elements 130 is received in a corresponding one of the first pixel openings 121. A plurality of second light emitting elements 140 are positioned in the second display area DA2, and at least a portion of each of the second light emitting elements 140 is received in a corresponding one of the second pixel openings 122. A plurality of third light emitting elements 150 are positioned in the transitional display area TA, and at least a portion of each of the third light emitting elements 150 is received in a corresponding one of the third pixel openings 123.
In the present embodiment, the area of the second pixel opening 122 is smaller than the area of the first pixel opening 121, and the area difference between the third pixel opening 123 and the second pixel opening 122 is smaller than the area difference between the third pixel opening 123 and the first pixel opening 121.
According to the display panel 100 of the embodiment of the invention, the area of the first pixel opening 121, the area of the second pixel opening 122, and the area of the third pixel opening 123 are respectively equivalent to the light emitting area of the first light emitting element 130, the light emitting area of the second light emitting element 140, and the light emitting area of the third light emitting element 150. The area of the second pixel opening 122 is smaller than that of the first pixel opening 121 so that the light emitting area of the light emitting elements of the second display area DA2 is different from that of the light emitting elements of the first display area DA 1. The area difference between the third pixel opening 123 and the second pixel opening 122 is smaller than the area difference between the third pixel opening 123 and the first pixel opening 121, so that the light emitting area of the third light emitting element 150 is closer to the light emitting area of the second light emitting element 140. When the display panel 100 is in the display state, the light emitting effect of the third light emitting element 150 in the transitional display area TA is closer to the light emitting effect of the second light emitting element 140, so that the difference in display effect between the transitional display area TA and the second display area DA2 is reduced, and the consistency of the display effect of the display panel 100 is improved to a certain extent.
In some embodiments, the first Light Emitting element 130, the second Light Emitting element 140, and the third Light Emitting element 150 are Organic Light Emitting Diodes (OLEDs), respectively. In some embodiments, the first light emitting element 130, the second light emitting element 140, and the third light emitting element 150 respectively include a plurality of colors, and at this time, the area of the second pixel opening 122 is smaller than the area of the first pixel opening 121, wherein the area ratio is a comparison between the pixel openings corresponding to the light emitting elements of the same color, that is, the area of the second pixel opening 122 corresponding to the second light emitting element 140 is smaller than the area of the first pixel opening 121 corresponding to the first light emitting element 130 of the same color. Similarly, the area difference between the third pixel opening 123 and the second pixel opening 122 is smaller than the area difference between the third pixel opening 123 and the first pixel opening 121, that is, the area difference between the third pixel opening 123 and the second pixel opening 122 corresponding to the light emitting element of the same color is smaller than the area difference between the third pixel opening 123 and the first pixel opening 121 corresponding to the light emitting element of the same color. For example, the area difference between the third pixel opening 123 and the second pixel opening 122 corresponding to the red light emitting element is smaller than the area difference between the third pixel opening 123 and the first pixel opening 121 corresponding to the red light emitting element.
In some embodiments, the pixel defining layer 120 is a light transmissive material, such as a transparent organic layer.
In some embodiments, the area difference between the third pixel opening 123 and the second pixel opening 122 is less than or equal to 5% of the area of the third pixel opening 123. The area difference between the third pixel opening 123 and the second pixel opening 122 is small, and when the display panel 100 is in the display state, the light emitting effect of the third light emitting element 150 in the transitional display area TA tends to be consistent with the light emitting effect of the second light emitting element 140, so that the display effect difference between the transitional display area TA and the second display area DA2 is further reduced, and the consistency of the display effect of the display panel 100 is further improved.
In this embodiment, the area of the third pixel opening 123 is equal to the area of the second pixel opening 122. When the display panel 100 is in the display state, the light emitting effect of the third light emitting element 150 in the transitional display area TA is almost the same as the light emitting effect of the second light emitting element 140, and the difference in the display effect between the transitional display area TA and the second display area DA2 is almost difficult to be visually distinguished, so that the consistency of the display effect of the display panel 100 is improved.
In the present embodiment, the shape of the third pixel opening 123 is the same as the shape of the second pixel opening 122. In some embodiments, the plurality of third pixel openings 123 are arranged in the same manner as the plurality of second pixel openings 122. For example, in the present embodiment, the arrangement of the plurality of first pixel openings 121, the arrangement of the plurality of second pixel openings 122, and the arrangement of the plurality of third pixel openings 123 are the same. When the display panel 100 is in the display state, the light emitting effect of the third light emitting element 150 in the transitional display area TA is completely the same as the light emitting effect of the second light emitting element 140, and the display effect between the transitional display area TA and the second display area DA2 is the same, which is equivalent to being integrated into one display area visually, so that the consistency of the display effect of the display panel 100 is improved.
In some embodiments, each of the first light emitting elements 130 includes a first reflective electrode 131, each of the second light emitting elements 140 includes a second reflective electrode 141, and each of the third light emitting elements 150 includes a third reflective electrode 151.
In the present embodiment, the first light emitting element 130 includes a first reflective electrode 131, a first light emitting layer 132, and a first light transmissive electrode 133, which are sequentially disposed in a direction away from the substrate 110. The second light emitting element 140 includes a second reflective electrode 141, a second light emitting layer 142, and a second light-transmissive electrode 143, which are sequentially disposed in a direction away from the substrate 110. The third light emitting element 150 includes a third reflective electrode 151, a third light emitting layer 152, and a third light-transmissive electrode 153, which are sequentially disposed in a direction away from the substrate 110. The first reflective electrode 131, the second reflective electrode 141, and the third reflective electrode 151 are, for example, anodes of the light emitting elements, and the first light-transmissive electrode 133, the second light-transmissive electrode 143, and the third light-transmissive electrode 153 are, for example, cathodes of the light emitting elements.
The area of the second reflective electrode 141 is smaller than that of the first reflective electrode 131, and the difference in area between the third reflective electrode 151 and the first reflective electrode 131 is smaller than that between the third reflective electrode 151 and the second reflective electrode 141. The larger the area of the reflective electrode is, the stronger the reflection effect on light rays is. When the display panel 100 is in the non-display state, that is, when the display panel 100 is not lit, the light reflection effect of the third reflective electrode 151 of the transitional display area TA is closer to the light reflection effect of the first reflective electrode 131, and the light reflection capability of the transitional display area TA per unit area is closer to the light reflection capability of the first display area DA1 per unit area, so that the difference in the viewing sense between the transitional display area TA and the first display area DA1 is reduced, and the consistency in the viewing sense of the display panel 100 in the non-display state is improved to a certain extent.
In some embodiments, the first light emitting element 130, the second light emitting element 140, and the third light emitting element 150 respectively include a plurality of colors, and at this time, the area of the second reflective electrode 141 is smaller than the area of the first reflective electrode 131, wherein the area ratio is a comparison between the reflective electrodes corresponding to the light emitting elements of the same color, that is, the area of the second reflective electrode 141 corresponding to the second light emitting element 140 is smaller than the area of the first reflective electrode 131 corresponding to the first light emitting element 130 of the same color. Similarly, the area difference between the third reflective electrode 151 and the first reflective electrode 131 is smaller than the area difference between the third reflective electrode 151 and the second reflective electrode 141, that is, the area difference between the third reflective electrode 151 and the first reflective electrode 131 corresponding to the light emitting elements of the same color is smaller than the area difference between the third reflective electrode 151 and the second reflective electrode 141 corresponding to the light emitting elements of the same color.
In some embodiments, the first reflective electrode 131, the second reflective electrode 141, and the third reflective electrode 151 are made of the same material. For example, each of the first reflective electrode 131, the second reflective electrode 141, and the third reflective electrode 151 includes a first light-transmitting conductive layer, a second light-transmitting conductive layer, and a metal reflective layer interposed between the first light-transmitting conductive layer and the second light-transmitting conductive layer. The first and second light-transmitting conductive layers are, for example, Indium Tin Oxide (ITO) layers, and the metal reflective layer is, for example, a metal silver layer.
In some embodiments, the difference in area between the third reflective electrode 151 and the first reflective electrode 131 is less than or equal to 5% of the area of the first reflective electrode 131. When the display panel 100 is in the non-display state, the light reflection capability of the transitional display area TA per unit area and the light reflection capability of the first display area DA1 per unit area are more consistent, so that the difference in the appearance between the transitional display area TA and the first display area DA1 is further reduced, and the consistency in the appearance of the display panel 100 in the non-display state is further improved.
In this embodiment, the area of the third reflective electrode 151 is equal to the area of the first reflective electrode 131. When the display panel 100 is in the non-display state, the light reflection capability of the transitional display area TA per unit area is substantially the same as the light reflection capability of the first display area DA1 per unit area, and the transitional display area TA and the first display area DA1 have substantially the same appearance, and have substantially the same black state effect, so that the appearance consistency of the display panel 100 in the non-display state is improved.
In other embodiments, the area of the reflective electrode may be different, for example, the area of the second reflective electrode 141 is smaller than the area of the third reflective electrode 151. At this time, the area of the second reflective electrode 141 is smaller than that of the first reflective electrode 131 and the third reflective electrode 151, so that the reflective area ratio per unit area in the second display area DA2 is reduced, a region having a larger ratio is easily set as a light transmission region, and the light transmission performance of the second display area DA2 is easily improved. When the photosensitive assembly corresponding to the second display area DA2 is disposed on the back side of the display panel 100, the light entering amount of the photosensitive assembly can be increased, thereby improving the photosensitive effect.
In this embodiment, the display panel 100 further includes a driving array layer 160. The driving array layer 160 is located between the substrate 110 and the pixel defining layer 120. The driving array layer 160 includes a plurality of first pixel circuits 161, a plurality of second pixel circuits 162, and a plurality of third pixel circuits 163. Each of the first pixel circuits 161 is electrically connected to the corresponding first light emitting element 130. Each of the second pixel circuits 162 is electrically connected to the corresponding second light emitting element 140. Each third pixel circuit 163 is electrically connected to the corresponding third light emitting element 150,
in the present embodiment, the plurality of first pixel circuits 161 are located in the first display area DA1, the plurality of second pixel circuits 162 are located in the transitional display area TA, and the plurality of third pixel circuits 163 are located in the transitional display area TA. By disposing the second pixel circuit 162 for driving the second light emitting element 140 in the second display area DA2 to emit light in the transition display area TA, the area occupied by the opaque structure in the second display area DA2 is reduced, thereby improving the light transmittance of the second display area DA 2.
Referring to fig. 4, in some embodiments, the second pixel circuits 162 and the corresponding second light emitting elements 140 are electrically connected by a connection line CL, and optionally, the connection line CL is a light-transmitting conductive line made of, for example, ITO, so as to further improve the light-transmitting capability of the second display area DA 2.
Alternatively, the first pixel circuit 161, the second pixel circuit 162, and the third pixel circuit 163 of the display panel 100 respectively receive driving voltages, so as to respectively control the light emitting brightness of the first light emitting element 130, the second light emitting element 140, and the third light emitting element 150.
In some embodiments, in the display state, the gamma (gamma) curve corresponding to the driving voltage received by the second pixel circuit 162 is the same as the gamma curve corresponding to the driving voltage received by the third pixel circuit 163. The gamma curve is a relationship curve between each gray scale of the display brightness of the light emitting element and the driving voltage, and each gray scale corresponds to one driving voltage value. In the display state, when the same value of driving voltage is received, the display luminance of the second light emitting element 140 and the display luminance of the third light emitting element 150 are more consistent, so that the difference in display effect between the transitional display area TA and the second display area DA2 is further reduced, and the consistency in display effect of the display panel 100 is further improved.
In the present embodiment, the area difference between the third pixel opening 123 and the second pixel opening 122 is less than or equal to 5% of the area of the third pixel opening 123, and the area difference between the third reflective electrode 151 and the first reflective electrode 131 is less than or equal to 5% of the area of the first reflective electrode 131. For example, the area of the third pixel opening 123 is equal to the area of the second pixel opening 122, and the area of the third reflective electrode 151 is equal to the area of the first reflective electrode 131. In the display state of the display panel 100, the light emitting effect of the third light emitting element 150 in the transition display area TA is almost the same as the light emitting effect of the second light emitting element 140, and the transition display area TA and the second display area DA2 are visually combined into one display area. When the display panel 100 is in the non-display state, the light reflection capability of the transitional display area TA per unit area is substantially the same as the light reflection capability of the first display area DA1 per unit area, the transitional display area TA and the first display area DA1 have substantially the same black state effect, and the transitional display area TA and the first display area DA1 are visually combined into one display area. Therefore, the display panel 100 has higher uniformity in the appearance both when the display panel 100 is in the display state and in the non-display state.
In the present embodiment, the light transmittance of the second display area DA2 of the display panel 100 may be configured to be greater than that of the first display area DA1, and at this time, the second display area DA2 of the display panel 100 may be configured as a photosensitive function multiplexing area. The photosensitive function multiplexing area can be used for the under-screen integration of photosensitive elements. For example, the light-sensitive elements are optical fingerprint recognition elements and/or image capturing elements, which are located at a side of the substrate 110 facing away from the pixel defining layer 120 and are disposed corresponding to the second display area DA 2. Since the light transmittance of the second display area DA2 is high, the light sensing elements can receive light information passing through the display panel 100, and optical functions such as fingerprint recognition, photographing and shooting are realized.
In accordance with the above-described embodiments of the present invention, these embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention and various embodiments with various modifications as are suited to the particular use contemplated. The invention is limited only by the claims and their full scope and equivalents.
Claims (9)
1. A display panel, comprising:
a substrate comprising a first display area, a second display area, and a transition display area between the first display area and the second display area;
a pixel defining layer on the substrate, the pixel defining layer comprising:
a plurality of first pixel openings arranged in the first display region;
a plurality of second pixel openings arranged in the second display region; and
a plurality of third pixel openings arranged in the transitional display area;
a plurality of first light emitting elements positioned in the first display region, at least a portion of each of the first light emitting elements being received in a corresponding one of the first pixel openings;
a plurality of second light emitting elements positioned in the second display region, at least a portion of each of the second light emitting elements being received in a corresponding one of the second pixel openings; and
a plurality of third light emitting elements positioned in the transitional display region, at least a portion of each of the third light emitting elements being received in a corresponding one of the third pixel openings,
wherein the area of the second pixel opening is smaller than that of the first pixel opening, and the area difference between the third pixel opening and the second pixel opening is smaller than that between the third pixel opening and the first pixel opening;
the area difference between the third pixel opening and the second pixel opening is less than or equal to 5% of the area of the third pixel opening.
2. The display panel according to claim 1, wherein an area of the third pixel opening is equal to an area of the second pixel opening.
3. The display panel according to claim 1, wherein the third pixel opening has the same shape as the second pixel opening; and/or
The arrangement mode of the third pixel openings is the same as that of the second pixel openings.
4. The display panel according to claim 1, wherein each of the first light emitting elements comprises a first reflective electrode, each of the second light emitting elements comprises a second reflective electrode, each of the third light emitting elements comprises a third reflective electrode,
wherein the area of the second reflective electrode is smaller than that of the first reflective electrode, and the area difference between the third reflective electrode and the first reflective electrode is smaller than that between the third reflective electrode and the second reflective electrode.
5. The display panel according to claim 4, wherein an area difference between the third reflective electrode and the first reflective electrode is 5% or less of an area of the first reflective electrode.
6. The display panel according to claim 5, wherein an area of the third reflective electrode is equal to an area of the first reflective electrode.
7. The display panel according to claim 4, wherein an area of the second reflective electrode is smaller than an area of the third reflective electrode.
8. The display panel according to claim 1, characterized by further comprising:
a driving array layer between the substrate and the pixel defining layer, the driving array layer comprising:
a plurality of first pixel circuits each electrically connected to a corresponding one of the first light emitting elements;
a plurality of second pixel circuits each electrically connected to a corresponding one of the second light emitting elements; and
a plurality of third pixel circuits each electrically connected to a corresponding third light emitting element,
the plurality of first pixel circuits are located in the first display area, and the plurality of second pixel circuits and the plurality of third pixel circuits are located in the transitional display area.
9. The display panel of claim 8, wherein in a display state, the gamma curve corresponding to the driving voltage received by the second pixel circuit is the same as the gamma curve corresponding to the driving voltage received by the third pixel circuit.
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| CN113707701B (en) * | 2021-08-31 | 2023-08-25 | 成都京东方光电科技有限公司 | Display panel and display device |
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| KR102047727B1 (en) * | 2012-12-29 | 2019-11-22 | 엘지디스플레이 주식회사 | Touch sensor in-cell type liquid crystal display device and method of fabricating the same |
| CN107731099B (en) * | 2017-09-30 | 2019-07-19 | Oppo广东移动通信有限公司 | The method that terminal, display screen and control display screen are shown |
| CN110767712B (en) * | 2019-02-28 | 2021-01-26 | 云谷（固安）科技有限公司 | OLED array substrate, display panel and display device |
| CN110534541A (en) * | 2019-08-30 | 2019-12-03 | 武汉天马微电子有限公司 | A kind of electroluminescence display panel and display device |
| CN110729332B (en) * | 2019-10-08 | 2022-04-29 | 武汉天马微电子有限公司 | Display panel and display device |
| CN111146362B (en) * | 2019-12-31 | 2022-12-23 | 武汉天马微电子有限公司 | Display panel and display device |
| CN111430436B (en) * | 2020-04-17 | 2022-09-30 | 昆山国显光电有限公司 | Display panel and display device |
| CN112002748B (en) * | 2020-08-31 | 2022-05-17 | 武汉天马微电子有限公司 | Display panel and display device |
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