CN112365807A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN112365807A CN112365807A CN202011252690.1A CN202011252690A CN112365807A CN 112365807 A CN112365807 A CN 112365807A CN 202011252690 A CN202011252690 A CN 202011252690A CN 112365807 A CN112365807 A CN 112365807A
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- 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
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/13338—Input devices, e.g. touch panels
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
Abstract
The invention discloses a display panel and a display device, and relates to the technical field of display, wherein a display area comprises a conventional display area and a semi-transparent display area, and the pixel density of the semi-transparent display area is equal to that of the conventional display area; the display area comprises a plurality of sub-pixels, and each sub-pixel comprises a light-transmitting area and a non-light-transmitting area; the sub-pixels at least comprise color sub-pixels, each color sub-pixel respectively comprises a color resistance of one color, and the color resistance is filled in the light-transmitting area; the color sub-pixel in the semi-transparent display area is a first sub-pixel, and the color resistance corresponding to the first sub-pixel is a first color resistance; the color sub-pixel in the normal display area is a second sub-pixel, and the color resistance corresponding to the second sub-pixel is a second color resistance; the area of the orthographic projection of at least one first color resistor on the light-emitting surface of the display panel is S1, and the area of the orthographic projection of any second color resistor on the light-emitting surface is S2, wherein S1 is less than S2. Therefore, the display uniformity of the display panel and the display device is improved.
Description
Technical Field
The present invention relates to the field of display technologies, and in particular, to a display panel and a display device.
Background
With the development of display technology, display panels have higher screen occupation ratio, and full screens have wide attention due to the narrow-frame or even frameless display effect. At present, spaces are often reserved for electronic photosensitive devices such as commonly used front cameras, infrared sensing devices and fingerprint identification devices on the front of display equipment such as mobile phones and tablet computers. For example, the photosensitive devices are arranged at the top position of the front surface of the display device, and the corresponding positions form a non-display area, so that the screen occupation ratio of the device is reduced.
In the prior art, in order to increase the screen ratio, a high-transmittance region may be formed in the display region of the display panel to accommodate the above-mentioned light sensing device.
With the development and demand of full-screen, more and more electronic photosensitive devices are required to be integrated below the screen. For example, a semi-transparent area is arranged on the display screen, and the camera is arranged below the screen and correspondingly arranged in the semi-transparent area. During normal display, the semi-permeable area can play a display role; when needing to shoot or take a video, the camera shoots photos or videos through the semi-transparent area, so that the semi-transparent area can synchronously realize the functions of displaying and shooting. In order to improve the light transmittance of the semi-transmissive region, the pixel density of the semi-transmissive region is usually set to be smaller, which results in a larger display difference between the semi-transmissive region and the conventional display region, and a phenomenon of poor display is likely to occur.
Disclosure of Invention
In view of this, the present invention provides a display panel and a display device, in which the pixel density of the semi-transmissive display region is set to be equal to the pixel density of the conventional display region, so that the light transmittance of the semi-transmissive region is ensured, and the display uniformity of the display panel and the display device is improved.
In a first aspect, the present application provides a display panel, including a display area and a non-display area, where the display area includes a conventional display area and a semi-transparent display area, a light transmittance of the semi-transparent display area is greater than a light transmittance of the conventional display area, and a pixel density of the semi-transparent display area is equal to a pixel density of the conventional display area;
the display area comprises a plurality of sub-pixels, and each sub-pixel comprises a light-transmitting area and a non-light-transmitting area; the sub-pixels at least comprise color sub-pixels, each color sub-pixel comprises a color resistance of one color, and the color resistances are filled in the light-transmitting areas; the color sub-pixel in the semi-transparent display area is a first sub-pixel, and the color resistance corresponding to the first sub-pixel is a first color resistance; the color sub-pixel in the normal display area is a second sub-pixel, and the color resistance corresponding to the second sub-pixel is a second color resistance;
the area of the orthographic projection of at least one first color resistor on the light-emitting surface of the display panel is S1, and the area of the orthographic projection of any second color resistor on the light-emitting surface is S2, wherein S1 < S2.
In a second aspect, the present application provides a display device, including the display panel and the camera provided in the present application;
and the orthographic projection of the camera on the light-emitting surface of the display panel is positioned in the semi-transparent display area.
Compared with the prior art, the display panel and the display device provided by the invention at least realize the following beneficial effects:
among display panel and the display device that this application provided, be provided with the translucent display district, the light transmittance in this translucent display district is greater than the light transmittance in conventional display district for the translucent display district possesses higher transmittance when shooing, realizes the picture and shoots the function. Particularly, the pixel density of the semi-transparent display area is equal to that of the conventional display area, and the phenomenon of uneven display caused by the difference of the pixel densities in the semi-transparent display area and the conventional display area is effectively avoided in the display stage, so that the display uniformity of the display panel and the display device is favorably improved, and the whole display effect is favorably improved.
In order to realize the display function, the conventional display area and the semi-transparent display area are both provided with sub-pixels, each sub-pixel comprises a light-transmitting area and a non-light-transmitting area, and in order to realize color display, the sub-pixels at least comprise color sub-pixels. The light-transmitting area of the color sub-pixel is used for filling color resistors, wherein the color resistor corresponding to the first sub-pixel in the semi-transparent display area is a first color resistor, and the color resistor corresponding to the second sub-pixel in the conventional display area is a second color resistor; in the display panel provided by the invention, the orthographic projection area of at least one first color resistor on the light-emitting surface of the display panel is S1, and the orthographic projection area of any second color resistor on the light-emitting surface is S2, wherein S1 is less than S2, that is, the area of the color resistor filled in each color sub-pixel in the semi-transparent display area is less than the area of the color resistor filled in each color sub-pixel in the conventional display area, so that the pixel density in the semi-transparent display area is the same as the pixel density in the conventional display area, and the area of the color resistor filled in the semi-transparent display area is reduced, thereby being beneficial to improving the display uniformity of the semi-transparent display area and the conventional display area of the display panel, being beneficial to improving the light transmittance of the semi-transparent display area and being beneficial to improving the shooting image quality of the display panel in the shooting stage.
Of course, it is not necessary for any product in which the present invention is practiced to achieve all of the above-described technical effects simultaneously.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a top view of a display panel according to an embodiment of the invention;
fig. 2 is a diagram illustrating a relative position relationship between a transmissive region and a non-transmissive region of a sub-pixel in a display panel according to an embodiment of the invention;
FIG. 3 is a schematic diagram of a first sub-pixel in the transflective region;
FIG. 4 is a schematic structural diagram of a second sub-pixel in a conventional display area;
FIG. 5 is a BB cross-sectional view of the display panel shown in FIG. 1;
fig. 6 is a schematic structural diagram of a first sub-pixel of a semi-transmissive display area in a display panel according to an embodiment of the invention;
fig. 7 is a schematic structural diagram of a first sub-pixel of a semi-transmissive display area in a display panel according to an embodiment of the invention;
fig. 8 is a schematic structural diagram of a first sub-pixel of a semi-transmissive display area in a display panel according to an embodiment of the invention;
fig. 9 is a schematic structural diagram of a first sub-pixel of a semi-transmissive display area in a display panel according to an embodiment of the invention;
fig. 10 is a schematic structural diagram of a first sub-pixel of a semi-transmissive display area in a display panel according to an embodiment of the invention;
fig. 11 is a schematic diagram illustrating a pixel arrangement of a display panel according to an embodiment of the invention;
fig. 12 is a schematic view of a display device according to an embodiment of the present disclosure.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Fig. 1 is a top view of a display panel according to an embodiment of the present invention, fig. 2 is a diagram illustrating a relative position relationship between a transmissive region and a non-transmissive region of a sub-pixel in the display panel according to the embodiment of the present invention, fig. 3 is a schematic structural diagram illustrating a first sub-pixel in a semi-transmissive display region, fig. 4 is a schematic structural diagram illustrating a second sub-pixel in a conventional display region, referring to fig. 1 to 4, the present invention provides a display panel 100 including a display region AA and a non-display region NA, the display region AA includes a conventional display region 11 and a semi-transmissive display region 12, a light transmittance of the semi-transmissive display region 12 is greater than a light transmittance of the conventional display region 11, and a pixel density of the semi-transmissive display region 12 is equal to a pixel density of the conventional display region 11;
the display area AA includes a plurality of sub-pixels P including a light-transmitting area Q1 and a non-light-transmitting area Q2; the sub-pixels P at least comprise color sub-pixels, each color sub-pixel comprises a color resistor of one color, and the color resistors are filled in the light-transmitting areas Q1; the color sub-pixel P in the semi-transparent display area 12 is a first sub-pixel P1, and the color resistance corresponding to the first sub-pixel P1 is a first color resistance Z1; the color sub-pixel P in the normal display area 11 is a second sub-pixel P2, and the color resistance corresponding to the second sub-pixel P2 is a second color resistance Z2;
the orthographic projection area of at least one first color resistor Z1 on the light-emitting surface of the display panel 100 is S1, the orthographic projection area of any second color resistor Z2 on the light-emitting surface is S2, wherein S1 < S2.
It should be noted that fig. 1 only shows that the display panel 100 includes one semi-transparent display area 12, in some other embodiments of the present application, two or more semi-transparent display areas 12 may be further disposed on the display panel 100 as needed, which is not specifically limited in the present application, and the following description will only take the example that the display panel 100 includes one semi-transparent display area 12, and when the display panel 100 includes a plurality of semi-transparent display areas 12, all of the embodiments of the present application can be referred to. Fig. 1 also shows only one relative position relationship between the semi-transparent display area 12 and the normal display area 11 in the display panel 100, and in some other embodiments of the present application, the semi-transparent display area 12 may also be located at other positions in the display panel 100, which is not specifically limited in the present application; in addition, the shape of the semi-transparent display area 12 in fig. 1 is also only schematic, in some other embodiments of the present application, the semi-transparent display area 12 may also have other shapes such as a circle, and the size of the semi-transparent display area 12 may also be set according to actual requirements, which is not specifically limited in this application. In addition, the light transmittance mentioned in the present invention means the ability of light to transmit through a medium, and is the percentage of the light flux of light transmitted through the medium to the incident light flux thereof.
It should be further noted that the color sub-pixel P mentioned in the embodiment of the present invention may include, for example, a red sub-pixel, a green sub-pixel, and a blue sub-pixel, and the color resists may include, for example, a red resist, a green resist, and a blue resist. In some other embodiments of the present invention, the semi-transparent display area 12 and/or the regular display area 11 may further include an achromatic sub-pixel, such as a white sub-pixel, and the like, which is not particularly limited in this application.
Specifically, the display panel 100 provided by the present invention is provided with the semi-transparent display area 12, and the light transmittance of the semi-transparent display area 12 is greater than that of the conventional display area 11, so that the semi-transparent display area 12 has a higher transmittance during shooting, thereby implementing a picture shooting function. Particularly, in the present invention, the pixel density of the semi-transmissive display region 12 is equal to the pixel density of the conventional display region 11, and in the display stage, the phenomenon of display non-uniformity caused by the difference in pixel density between the semi-transmissive display region 12 and the conventional display region 11 is effectively avoided, so that the display uniformity of the display panel 100 is improved, and the overall display effect is improved.
In order to realize a display function, the normal display region 11 and the semi-transmissive display region 12 are each provided with a sub-pixel P, each of which includes a light-transmissive region Q1 and a non-light-transmissive region Q2, respectively, and in order to realize color display, the sub-pixel P includes at least a color sub-pixel. At least part of the light-transmitting area Q1 of the color sub-pixel is used to fill a color resistor, wherein the color resistor corresponding to the first sub-pixel P1 in the semi-transparent display area 12 is a first color resistor Z1, and the color resistor corresponding to the second sub-pixel P2 in the normal display area 11 is a second color resistor Z2; in the display panel 100 provided by the present invention, at least one first color resistor Z1 has an area of S1 in the orthographic projection of the light-emitting surface of the display panel 100, and any second color resistor Z2 has an area of S2 in the orthographic projection of the light-emitting surface, wherein S1 < S2, that is, the area of the color resists filled in the single color sub-pixel P in the semi-transmissive display region 12 is smaller than that of the color resists filled in the single color sub-pixel P in the regular display region 11, thereby, while the pixel density in the semi-transmissive display area 12 is made the same as that in the normal display area 11, the area of the color resistance filled in the semi-transmissive display area 12 is also reduced, therefore, the display uniformity of the semi-transparent display area 12 and the regular display area 11 of the display panel 100 can be improved, and the light transmittance of the semi-transparent display area 12 can be improved, so that the shooting image quality of the display panel 100 in the shooting stage can be improved.
In an alternative embodiment of the present invention, please refer to fig. 3 and fig. 4, an area of an orthographic projection of each first color resistor Z1 on the light emitting surface is smaller than an area of an orthographic projection of any second color resistor Z2 on the light emitting surface.
Specifically, the area of the orthographic projection of each first color resistor Z1 in the semi-transparent display area 12 on the light emitting surface is set to be smaller than the area of the orthographic projection of any second color resistor Z2 in the conventional display area 11 on the light emitting surface, so that the light transmitting area Q1 of each first sub-pixel P1 in the semi-transparent display area 12 is not filled with the first color resistor Z1, that is, the light transmitting area Q1 of each first sub-pixel P1 in the semi-transparent display area 12 includes a high light transmitting area not filled with the first color resistor Z1 in addition to the first color resistor Z1, so that the area of the high light transmitting area in the semi-transparent display area 12 is increased, and therefore, while ensuring the display uniformity of the semi-transparent display area 12 and the conventional display area 11, the light transmittance of the semi-transparent display area 12 is further improved, and the image quality of the display panel 100 at the shooting stage is further improved.
In an alternative embodiment of the invention, fig. 5 is a BB cross-sectional view of the display panel 100 shown in fig. 1, and along a direction perpendicular to the light emitting surface, the thickness of the first color resistor Z1 is D1, and the thickness of the second color resistor Z2 is D2, where D1 > D2.
Optionally, the display panel 100 of the present invention is a liquid crystal display panel, and includes an array substrate and a color filter substrate that are oppositely disposed, and liquid crystals filled in the array substrate and the color filter substrate. Optionally, the first color resistor Z1 and the second color resistor Z2 in the invention are located on a color filter substrate, the color filter substrate includes a substrate, a black matrix layer and a color resistor layer, the black matrix layer and the color resistor layer are arranged on the substrate, the black matrix layer forms a plurality of hollows, the color resistor layer is filled in at least part of the hollows, and the first color resistor Z1 and the second color resistor Z2 in the invention are both located on the color resistor layer.
It should be noted that fig. 5 only shows a partial film structure of the color filter substrate in the display panel 100, and does not represent the structure of the entire display panel 100, and fig. 5 cuts out a portion of the second color resistance Z2 in the conventional display area 11 and a portion of the first color resistance Z1 in the transflective display area 12, and along a direction perpendicular to the light exit surface, a thickness D1 of the first color resistance Z1 in the transflective display area 12 is greater than a thickness D2 of the second color resistance Z2 in the conventional display area 11. The applicant has found that, through research, when color resistors with the same thickness and different areas are filled in the same unit area, the chromaticity corresponding to the area with the smaller color resistor area will be different from the chromaticity corresponding to the area with the larger color resistor area. In this embodiment, when the filling area of the first color resistor Z1 corresponding to the first sub-pixel P1 in the semi-transparent display area 12 is reduced, the thickness of the first color resistor Z1 in the semi-transparent display area 12 is correspondingly increased, which is beneficial to reducing the chromaticity difference between the first sub-pixel P1 in the semi-transparent display area 12 and the second sub-pixel P2 in the normal display area 11, so that the display effect of the semi-transparent display area 12 is also beneficial to improving the high transmittance of the semi-transparent display area 12, and the display uniformity of the semi-transparent display area 12 and the normal display area 11 is also improved.
In an alternative embodiment of the invention, 0 < D1/D2 ≦ 1.1.
Specifically, the present invention reduces the difference in chromaticity between the semi-transmissive display area 12 and the normal display area 11 by increasing the thickness D1 of the first color resistance Z1 in the semi-transmissive display area 12. Compared with the thickness D2 of the second color resistor Z2 in the conventional display area 11, the ratio of D1/D2 is greater than 0 and less than or equal to 1.1, for example, the ratio of the two is selected to be 1.03, 1.05, 1.08 and the like, that is, the increase of the thickness of the first color resistor Z1 is controlled within 10% (inclusive), which is beneficial to reducing the chromaticity difference between the first sub-pixel P1 and the second sub-pixel P2, and the thickness of the first color resistor Z1 is not too thick to affect the whole thickness of the display panel 100.
In an alternative embodiment of the present invention, fig. 6 is a schematic structural diagram of a first sub-pixel P1 of a semi-transparent display area 12 in a display panel 100 provided in an embodiment of the present invention, areas of light-transmitting areas Q1 of each of the sub-pixels P in the display area AA are equal and are S0, where S2 is S0; the light-transmitting area Q1 corresponding to the first sub-pixel P1 includes a first area Q11 and a second area Q12, the color resist is filled in the first area Q11, the area of the orthographic projection of the second area Q12 on the light-emitting surface is S3, and S1+ S3 is S0.
Specifically, referring to fig. 1, fig. 3 to fig. 4, and fig. 6, the light-transmitting region Q1 of the first sub-pixel P1 in the semi-transmissive display region 12 is divided into a first region Q11 and a second region Q12, and the total area of the first region Q11 and the second region Q12 is equal to the area of the light-transmitting region Q1. In the semi-transparent display area 12, the first color resistance Z1 is filled in the first area Q11, and the area of the first area Q11 is the same as the area of the first color resistance Z1 filled in the first area Q11, which are both S1; the second region Q12 is not filled with color resists, and the corresponding area of the second region Q12 is S3. In this way, in each first sub-pixel P1 of the semi-transparent display area 12, the second area Q12 can be used as a high light-transmitting area, and during the shooting phase, light can transmit through the semi-transparent display area 12 through the second area Q12, so as to improve the overall transmittance of the semi-transparent display area 12, thereby improving the picture shooting quality.
In an alternative embodiment of the invention, 0 < S3/S0 ≦ 15%.
Specifically, when the ratio of the area of the second region Q12 not filled with color resistance to the area of the light transmitting region Q1 is set to S3/S0 > 15% in a single first sub-pixel P1 of the semi-transmissive display region 12, the area of the second region Q12 is large, which may cause a large difference in chromaticity of the first sub-pixel P1 from that of the conventional display region 11, thereby causing a difference in display between the semi-transmissive display region 12 and the conventional display region 11. When the setting is 0 & lt, S3/S0 & lt, 15%, the area of the second region Q12 not filled with color resistance is not too large, and the area of the color resistance filled in the first region Q11 is ensured to be large enough while the light transmittance of the semi-transparent display region 12 is ensured, so that the chromaticity difference between the first sub-pixel P1 in the semi-transparent display region 12 and the second sub-pixel P2 in the normal display region 11 is favorably reduced, the display uniformity of the normal display region 11 and the semi-transparent display region 12 is improved, and the overall display effect of the display panel 100 is improved.
In an alternative embodiment of the invention, S3/S0 is 5%. This embodiment will be described in detail below with reference to table 1.
TABLE 1 color comparison chart
Table 1 shows chromaticity of the normal display area and the semi-transmissive display area compared with the reference chromaticity, where POR represents that the light-transmissive area Q1 of the second sub-pixel P2 in the normal display area 11 is filled with a full color resist, 5% W represents that the first area Q11 of the first sub-pixel P1 in the semi-transmissive display area 12 is filled with a color resist, the second area Q12 is filled with a white resist, THK represents that the thickness of the first color resist of the semi-transmissive display area is increased, THK-POR represents a difference between the chromaticity of the increased thickness of the first color resist of the semi-transmissive display area and the chromaticity of the normal display area, SPEC is the reference chromaticity, Rx and Ry represent chromaticities of the red sub-pixel in the color gamut coordinate, Gx and Gy represent chromaticities of the green sub-pixel in the color gamut coordinate, and Bx and By represent chromaticities of the blue sub-pixel in the color gamut coordinate. As can be seen from table 1, when the S3/S0 is 5%, the luminance of the semi-transmissive display area 12 is increased by 10% to 13%, and with the thickening of the first color resistance Z1 in the semi-transmissive display area 12, the chromaticity of the first sub-pixel P1 in the semi-transmissive display area 12 is not significantly changed compared with the chromaticity of the second sub-pixel P2 in the conventional display area 11, and the chromaticity after adding 5% of the white sub-pixel in the semi-transmissive display area and increasing the thickness is also within the range of the reference chromaticity. Therefore, when S3/S0 is set to 5%, it is advantageous to enhance the transmittance of the semi-transmissive display region 12, and at the same time, it is ensured that the chromaticity of the semi-transmissive display region 12 does not change significantly, which is advantageous to enhance the display uniformity of the semi-transmissive display region 12 and the normal display region 11, and has strong usability.
In an alternative embodiment of the present invention, referring to fig. 3 and 6, in the semi-transparent display area 12, the second area Q12 is not filled with color resistance, or the second area Q12 is filled with white color resistance.
Specifically, in order to increase the light transmittance of the semi-transmissive display region 12, in the first sub-pixel P1 of the semi-transmissive display region 12, the second region Q12 not filled with the color resist may not be filled with the color resist, for example, be hollowed out, or be filled with a transparent optical glue; alternatively, the second region Q12 not filled with the color resists may be filled with a white resist having a higher transmittance. The light transmittance of the second area Q12 corresponding to each first sub-pixel P1 in the semi-transparent display area 12 can be effectively improved by the above two methods, so that more light can penetrate through the semi-transparent display area 12 in the shooting stage, thereby being beneficial to avoiding the problem of poor shooting effect caused by insufficient light, and being beneficial to improving the shooting image quality of the display panel 100.
In an alternative embodiment of the present invention, please refer to fig. 6 and 7, fig. 7 is another schematic structural diagram of a first sub-pixel P1 of a semi-transparent display area 12 in a display panel 100 according to an embodiment of the present invention, and please refer to fig. 1 and 3-4 together, in the display area AA, the sub-pixels P are arranged along a first direction F1 and a second direction F2, and the first direction F1 intersects the second direction F2; the same first sub-pixel P1 includes one of the first regions Q11 and one of the second regions Q12, and the first region Q11 and the second region Q12 are arranged in a first direction F1 or a second direction F2.
Specifically, fig. 6 and 7 show a case where a single first sub-pixel P1 in the semi-transmissive display region 12 includes one first region Q11 and one second region Q12, the first region Q11 and the second region Q12 in fig. 6 being arranged in the second direction F2, and the first region Q11 and the second region Q12 in fig. 7 being arranged in the first direction F1. When the light-transmitting region Q1 of the first sub-pixel P1 is in a rectangular structure as shown in fig. 6 and 7, and the first region Q11 and the second region Q12 are arranged along the long side direction of the rectangular structure (i.e., in the manner shown in fig. 6), while the light transmittance of the semi-transparent display region 12 is ensured, it is also beneficial to simplify the manufacturing process of disposing the color resistance in the first region Q11 and not disposing the color resistance in the second region Q12, thereby being beneficial to improving the production efficiency of the display panel 100. Of course, when the first region Q11 and the second region Q12 are arranged along the short side direction of the rectangular structure (i.e., in the manner shown in fig. 7), it is also advantageous to enhance the light transmittance of the semi-transmissive display region 12. It should be noted that, when forming the color resistor in the first region Q11, the color resistor may be formed in the entire light-transmitting region Q1 corresponding to one first sub-pixel P1, and then the color resistor in a partial region of the light-transmitting region Q1 may be removed, where the region where the color resistor is removed corresponds to the second region Q12. Of course, the second region Q12 may also be masked by a mask process, and a color resist is formed only in the first region Q11, which is not specifically limited by the present invention.
In an alternative embodiment of the present invention, fig. 8 is a schematic diagram illustrating another structure of a first sub-pixel P1 of a semi-transmissive display area 12 in a display panel 100 according to an embodiment of the present invention, where the same first sub-pixel P1 includes one first area Q11 and a plurality of second areas Q12, and a forward projection of the second area Q12 on the light emitting surface is located in a range of a forward projection of the first area Q11 on the light emitting surface.
Specifically, fig. 8 shows another relative position relationship between the first region Q11 and the second region Q12 in the same first sub-pixel P1, in this embodiment, the same light-transmitting region Q1 includes a first region Q11 filled with color resistors and a plurality of second regions Q12 not filled with color resistors, this embodiment is only described by taking the shape of the second region Q12 as a circle, and in some other embodiments of the present invention, the shape of the second region Q12 may also be other shapes such as a square, an ellipse, a triangle, and the like, which is not specifically limited in this application. In an actual manufacturing process, a color resistance may be formed in the whole light-transmitting area Q1 corresponding to one first sub-pixel P1, and then the color resistances of multiple areas in the light-transmitting area Q1 are removed, for example, a hollow is formed on the color resistance, the area corresponding to the hollow is the second area Q12, the area provided with the color resistance corresponds to the first area Q11, and this way is also beneficial to improving the light transmittance of the semi-transmitting display area 12, and further beneficial to improving the shooting image quality of the display panel 100.
In an alternative embodiment of the present invention, with continued reference to fig. 6 and 7, the display panel 100 includes a plurality of pixel units 50, each of the pixel units 50 includes at least 3 sub-pixels P; in the semi-transmissive display region 12, in the same pixel unit 50, the orthogonal projection areas of the first color resists Z1 corresponding to the first sub-pixels P1 on the light emitting surface are equal.
The embodiments shown in fig. 6 and 7 illustrate a case where one pixel unit 50 includes three sub-pixels P, which may be, for example, a red sub-pixel, a green sub-pixel P, and a blue sub-pixel P, respectively. In the semi-transmissive display region 12 and the same pixel unit 50, the orthogonal projection areas of the light emitting surfaces of the first color resistors Z1 corresponding to the first sub-pixels P1 are equal, so that the first color resistors Z1 with different colors are formed in the light transmitting region Q1 corresponding to the first sub-pixels P1 by using the same process size, which is beneficial to simplifying the manufacturing process of the display panel 100 and improving the production efficiency of the display panel 100.
Optionally, in some other embodiments of the present invention, in the semi-transmissive display area 12, in the same pixel unit 50, the areas of orthogonal projections of the first color resistances Z1 corresponding to the first sub-pixels P1 on the light exit surface are not completely equal. For example, referring to fig. 3, fig. 9 and fig. 10 respectively show another schematic structural diagram of the first sub-pixel P1 of the semi-transmissive region 12 in the display panel 100 according to the embodiment of the present invention, in the embodiment shown in fig. 9, in the semi-transmissive region 12, the areas of the light-emitting surfaces of the first color resistors Z1 corresponding to the first sub-pixels P1 in the same pixel unit are completely different; in the embodiment shown in fig. 10, in the transflective area 12, the areas of the light-emitting surfaces of the first color resists Z1 corresponding to the two first sub-pixels P1 in the same pixel unit are the same, and the areas of the light-emitting surfaces of the first color resists Z1 corresponding to the other first sub-pixel P1 are different. Therefore, the area of the first color resistance Z1 can be set according to different requirements, so as to meet the display requirements of different products, and improve the application flexibility of the display panel 100.
In an alternative embodiment of the present invention, fig. 11 is a schematic diagram illustrating a pixel arrangement of a display panel 100 according to an embodiment of the present invention, where the display panel 100 includes a plurality of scan lines 30 and a plurality of data lines 40, the scan lines 30 are arranged along a first direction F1 and arranged along a second direction F2, and the data lines 40 are arranged along the first direction F1 and arranged along the second direction F2;
in the first direction F1, the sub-pixels P in the normal display area 11 and the semi-transmissive display area 12 collectively form a plurality of pixel rows H; along the second direction F2, the sub-pixels P in the normal display area 11 and the semi-transmissive display area 12 collectively form a plurality of pixel columns L; at least some of the sub-pixels P in the same pixel row H are connected to the same scan line 30, and at least some of the sub-pixels P in the same pixel column L are connected to the same data line 40. It should be noted that, for the sake of clarity, the detailed connection relationship between each sub-pixel and the scan line and the data line is not shown in detail in fig. 11.
It should be noted that fig. 11 only illustrates the pixel arrangement of the normal display region 11 and the semi-transmissive display region 12, and does not represent the actual number and size of pixels. In this embodiment, the semi-transmissive display area 12 and the normal display area 11 each include a plurality of pixel rows H extending in the first direction F1, and since the pixel density of the semi-transmissive display area 12 is the same as that of the normal display area 11 in the present invention, a part of the pixel rows H in the semi-transmissive display area 12 may be arranged in the same row as the pixel rows H in the normal display area 11 so that each pixel row H in the semi-transmissive display area 12 is in the same row as one pixel row H in the normal display area 11; a part of the pixel columns L in the semi-transmissive display area 12 may also be arranged in the same column as the pixel columns L in the normal display area 11, so that each pixel column L in the semi-transmissive display area 12 is in the same column as one pixel column L in the normal display area 11. That is, in the entire display area AA, the sub-pixels P form a plurality of pixel rows H and a plurality of pixel columns L which are regularly arranged, when the scan line 30 is connected to the sub-pixels P in the pixel row H, the scan line 30 may extend in the first direction F1 in the display area AA, the sub-pixels P in the same pixel row H in the normal display area 11 and the semi-transparent display area 12 may be electrically connected to the same scan line 30, and the scan line 30 does not need to be wound in the semi-transparent display area 12, so that the wiring complexity of the scan line 30 is simplified, and the manufacturing process of the display panel 100 is simplified. Similarly, when the data line 40 is electrically connected to the sub-pixels P in the pixel column L, the data line 40 may extend in the second direction F2 in the display area AA, the sub-pixels P in the same pixel column L in the normal display area 11 and the semi-transmissive display area 12 may be electrically connected to the same data line 40, and the data line 40 does not need to be wound in the semi-transmissive display area 12, thereby facilitating the simplification of the wiring complexity of the scan line 30, facilitating the simplification of the manufacturing process of the display panel 100, and improving the production efficiency of the display panel 100.
Based on the same inventive concept, the present application further provides a display apparatus, and fig. 12 is a schematic diagram of the display apparatus provided in the embodiment of the present application, where the display apparatus 200 includes the display panel 100 and the camera 201 provided in any one of the above embodiments of the present application; the orthographic projection of the camera 201 on the light emitting surface of the display panel is located in the semi-transparent display area 12. In this application, the pixel density in semi-transparent display area equals the pixel density in conventional display area, and in the demonstration stage, effectively avoided semi-transparent display area and conventional display area because the uneven phenomenon of demonstration that the pixel density difference leads to, therefore be favorable to promoting display panel and display device's demonstration homogeneity, be favorable to promoting whole display effect.
It should be noted that, for the embodiments of the display device 200 provided in the embodiments of the present application, reference may be made to the embodiments of the display panel 100, and repeated descriptions are omitted. The display device 200 provided by the present application may be: any product or component with practical functions such as a mobile phone, a tablet computer, a television, a display, a notebook computer, a digital photo frame, a navigator and the like.
In summary, the display panel and the display device provided by the invention at least achieve the following beneficial effects:
among display panel and the display device that this application provided, be provided with the translucent display district, the light transmittance in this translucent display district is greater than the light transmittance in conventional display district for the translucent display district possesses higher transmittance when shooing, realizes the picture and shoots the function. Particularly, the pixel density of the semi-transparent display area is equal to that of the conventional display area, and the phenomenon of uneven display caused by the difference of the pixel densities in the semi-transparent display area and the conventional display area is effectively avoided in the display stage, so that the display uniformity of the display panel and the display device is favorably improved, and the whole display effect is favorably improved.
In order to realize the display function, the conventional display area and the semi-transparent display area are both provided with sub-pixels, each sub-pixel comprises a light-transmitting area and a non-light-transmitting area, and in order to realize color display, the sub-pixels at least comprise color sub-pixels. The light-transmitting area of the color sub-pixel is used for filling color resistors, wherein the color resistor corresponding to the first sub-pixel in the semi-transparent display area is a first color resistor, and the color resistor corresponding to the second sub-pixel in the conventional display area is a second color resistor; in the display panel provided by the invention, the orthographic projection area of at least one first color resistor on the light-emitting surface of the display panel is S1, and the orthographic projection area of any second color resistor on the light-emitting surface is S2, wherein S1 is less than S2, that is, the area of the color resistor filled in each color sub-pixel in the semi-transparent display area is less than the area of the color resistor filled in each color sub-pixel in the conventional display area, so that the pixel density in the semi-transparent display area is the same as the pixel density in the conventional display area, and the area of the color resistor filled in the semi-transparent display area is reduced, thereby being beneficial to improving the display uniformity of the semi-transparent display area and the conventional display area of the display panel, being beneficial to improving the light transmittance of the semi-transparent display area and being beneficial to improving the shooting image quality of the display panel in the shooting stage.
Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (13)
1. A display panel is characterized by comprising a display area and a non-display area, wherein the display area comprises a conventional display area and a semi-transparent display area, the light transmittance of the semi-transparent display area is greater than that of the conventional display area, and the pixel density of the semi-transparent display area is equal to that of the conventional display area;
the display area comprises a plurality of sub-pixels, and each sub-pixel comprises a light-transmitting area and a non-light-transmitting area; the sub-pixels at least comprise color sub-pixels, each color sub-pixel comprises a color resistance of one color, and the color resistances are filled in the light-transmitting areas; the color sub-pixel in the semi-transparent display area is a first sub-pixel, and the color resistance corresponding to the first sub-pixel is a first color resistance; the color sub-pixel in the normal display area is a second sub-pixel, and the color resistance corresponding to the second sub-pixel is a second color resistance;
the area of the orthographic projection of at least one first color resistor on the light-emitting surface of the display panel is S1, and the area of the orthographic projection of any second color resistor on the light-emitting surface is S2, wherein S1 < S2.
2. The display panel of claim 1, wherein an area of an orthogonal projection of each of the first color resists on the light emitting surface is smaller than an area of an orthogonal projection of any of the second color resists on the light emitting surface.
3. The display panel of claim 1, wherein the first color resistance has a thickness of D1 and the second color resistance has a thickness of D2, wherein D1 > D2, in a direction perpendicular to the light exit surface.
4. The display panel of claim 3 wherein 0 < D1/D2 ≦ 1.1.
5. The display panel according to claim 1,
the areas of the light-transmitting areas of the sub-pixels in the display area are equal and are all S0, wherein S2 is S0; the light-transmitting area corresponding to the first sub-pixel comprises a first area and a second area, the color resists are filled in the first area, the orthographic projection area of the second area on the light-emitting surface is S3, and S1+ S3 is S0.
6. The display panel of claim 5 wherein 0 < S3/S0 ≦ 15%.
7. The display panel according to claim 6, wherein S3/S0 is 5%.
8. The display panel according to claim 5, wherein the second region is not filled with a color resist, or wherein the second region is filled with a white color resist.
9. The display panel according to claim 5, wherein in the display region, the sub-pixels are arranged in a first direction and a second direction, the first direction and the second direction intersecting;
the same first sub-pixel includes one of the first region and one of the second region, and the first region and the second region are arranged in a first direction or a second direction.
10. The display panel according to claim 5, wherein the same first sub-pixel comprises one first region and a plurality of second regions, and the orthographic projection of the second regions on the light emitting surface is within the range of the orthographic projection of the first regions on the light emitting surface.
11. The display panel of claim 1, wherein the display panel comprises a plurality of pixel units, each of the pixel units comprising at least 3 of the sub-pixels;
in the semi-transparent display area, in the same pixel unit, the area of the orthographic projection of the first color resistor corresponding to each first sub-pixel on the light-emitting surface is equal.
12. The display panel according to claim 1, wherein the display panel includes a plurality of scan lines extending in a first direction and arranged in a second direction, and a plurality of data lines arranged in the first direction and extending in the second direction;
along the first direction, the sub-pixels in the normal display area and the semi-transparent display area form a plurality of pixel rows together; along the second direction, the sub-pixels in the normal display area and the semi-transparent display area form a plurality of pixel columns together; at least part of the sub-pixels in the same pixel row are connected with the same scanning line, and at least part of the sub-pixels in the same pixel column are connected with the same data line.
13. A display device comprising the display panel according to any one of claims 1 to 12 and a camera;
and the orthographic projection of the camera on the light-emitting surface of the display panel is positioned in the semi-transparent display area.
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| CN110379356A (en) * | 2019-08-29 | 2019-10-25 | 武汉天马微电子有限公司 | Display panel and display device |
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| US9171869B1 (en) * | 2014-06-27 | 2015-10-27 | Boe Technology Group Co., Ltd. | Array substrate and display device |
| CN110098238A (en) * | 2019-05-15 | 2019-08-06 | 武汉华星光电半导体显示技术有限公司 | Display panel |
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| CN113050314A (en) * | 2021-03-26 | 2021-06-29 | 武汉华星光电技术有限公司 | Display panel and driving method thereof |
| CN113050314B (en) * | 2021-03-26 | 2022-07-12 | 武汉华星光电技术有限公司 | Display panel and driving method thereof |
| CN113109965A (en) * | 2021-04-16 | 2021-07-13 | 深圳市华星光电半导体显示技术有限公司 | Liquid crystal display panel and liquid crystal display |
| WO2022217744A1 (en) * | 2021-04-16 | 2022-10-20 | 深圳市华星光电半导体显示技术有限公司 | Liquid crystal display panel and liquid crystal display |
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