CN111999934B - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN111999934B CN111999934B CN202010971644.0A CN202010971644A CN111999934B CN 111999934 B CN111999934 B CN 111999934B CN 202010971644 A CN202010971644 A CN 202010971644A CN 111999934 B CN111999934 B CN 111999934B
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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
- G02F1/133512—Light shielding layers, e.g. black matrix
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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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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
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- Optics & Photonics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Mathematical Physics (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Optical Filters (AREA)
Abstract
The invention discloses a display panel and a display device, wherein the display panel comprises a color film substrate, the color film substrate comprises a substrate, a shading layer and a color resistance layer, the color resistance layer comprises a plurality of first color resistors and second color resistors, the first color resistors comprise N first sub color resistors, a first interval is arranged between every two adjacent first sub color resistors, the second color resistors comprise M second sub color resistors, N is not less than 2,M is not less than 1,N and is more than M, and N and M are positive integers; the light shielding layer comprises a hollow part, the hollow part comprises a first hollow part, the orthographic projection of the first hollow part on the substrate is positioned in the first interval, and the hollow part is used for transmitting light; the display panel further comprises a light sensing element, and the light sensing element is overlapped with the at least one hollow part in the direction vertical to the display panel. The invention limits N to be more than M, and most of the light sensing elements are arranged in the first hollow parts, so that the contact area between the second sub color resistor and the substrate can be increased, the contact area between the color resistor layer and the substrate can be increased, and the falling risk can be reduced.
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
In recent years, with the spread of mobile display products, information security is receiving attention from consumers. Fingerprint identification has uniqueness, is difficult to duplicate, and is widely applied to unlocking and payment confirmation of mobile display products. The optical fingerprint working principle realizes the differentiation of the light sensation element receiving different fingerprint information through the reflectivity difference of the fingerprint valley and the fingerprint ridge to form a fingerprint image.
In the existing display panel, the collimating holes are required to be added due to the consideration of the problems of fingerprint identification sensitivity and accuracy. The collimating holes are usually arranged in the non-opening area of the pixels of the display panel, but due to the addition of the collimating hole design, the color resistors in the display panel are required to be in an island-shaped design, and the island-shaped color resistor design has the disadvantages that the contact area between the color resistors and the substrate is reduced, and the falling risk exists.
Disclosure of Invention
In view of this, the present invention provides a display panel and a display device, wherein a first hollow portion is disposed between adjacent first sub color resistors, so as to limit the number of the second sub color resistors in the second color resistors to be smaller than the number of the first sub color resistors in the first color resistors, thereby reducing the risk of dropping the color resistor layer.
On one hand, the display panel provided by the invention comprises a color film substrate, wherein the color film substrate comprises a substrate base plate, a light shielding layer and a color resistance layer, the light shielding layer and the color resistance layer are positioned on one side of the substrate base plate, the color resistance layer comprises a plurality of first color resistances and second color resistances along a first direction, the first color resistances comprise N first sub-color resistances arranged along a second direction, a first interval is arranged between every two adjacent first sub-color resistances, the second color resistances comprise M second sub-color resistances extending along the second direction, N is not less than 2,M and is not less than 1,N and is more than M, N and M are positive integers, and the first direction is intersected with the second direction;
the light shielding layer comprises a hollow-out part, the hollow-out part comprises a first hollow-out part, the orthographic projection of the first hollow-out part on the plane of the substrate base plate is located in the first interval, and the hollow-out part is used for transmitting light;
the display panel further comprises a light sensing element, and the orthographic projection of the light sensing element on the substrate is overlapped with the orthographic projection of at least one hollow part on the substrate.
In another aspect, the present invention provides a display device, including the display panel.
Compared with the prior art, the color resistance layer comprises a plurality of first color resistances and second color resistances along the first direction, the first color resistances comprise N first sub color resistances arranged along the second direction, the second color resistances comprise M second sub color resistances extending along the second direction, N is not less than 2,M and not less than 1,N and is more than M, N and M are positive integers, the first direction is intersected with the second direction, the orthographic projection of the light sensing element on the substrate is overlapped with the orthographic projection of at least one hollow part on the substrate, the first hollow part is located in the light shielding layer, and the first hollow part is located in a first interval between the adjacent first sub color resistances. In order to ensure the normal light recognition of the display panel, a certain number of light sensing elements are required to be arranged, the number of second sub-color resistors in each second color resistor is limited to be smaller than the number of first sub-colors in each first color resistor, most of the light sensing elements are arranged in the first hollow parts in the first intervals between the adjacent first sub-color resistors, and on the basis of the certain number of the light sensing elements, the number of the light sensing elements arranged between the adjacent second sub-color resistors in the second color resistor can be reduced to a certain extent, so that the contact area between the second sub-color resistors and the substrate can be increased, the contact area between the color resistors and the substrate can be increased, the falling risk of a color resistor layer of the display panel can be reduced, and the quality of the display panel can be improved.
Of course, it is not necessary for any product in which the present invention is practiced to specifically achieve all of the above 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 schematic diagram of a display panel in the prior art;
FIG. 2 is a cross-sectional view taken along line Q-Q' of FIG. 1;
FIG. 3 is a schematic diagram of a display panel according to the present invention;
FIG. 4 is a cross-sectional view taken along line W-W' of FIG. 3;
FIG. 5 is a sectional view taken along line J-J' of FIG. 3;
FIG. 6 is a schematic view of another display panel structure according to the present invention;
FIG. 7 is a cross-sectional view taken along line I-I' of FIG. 6;
FIG. 8 is a schematic view of another display panel structure according to the present invention;
FIG. 9 is a schematic view of another display panel structure according to the present invention;
FIG. 10 is a cross-sectional view taken along line T-T' of FIG. 9;
FIG. 11 is a schematic view of another display panel structure according to the present invention;
FIG. 12 is a partial enlarged view of S in FIG. 11;
FIG. 13 is a schematic view of another display panel structure according to the present invention;
FIG. 14 is a schematic view of another display panel structure according to the present invention;
FIG. 15 is an enlarged partial view of the cross-sectional view taken along line U-U' of FIG. 14;
fig. 16 is a schematic diagram of a display device according to the present invention.
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 and 2 are combined, where fig. 1 is a schematic structural diagram of a display panel in the prior art, and fig. 2 is a cross-sectional view taken along a direction Q-Q' in fig. 1. The prior art provides a display panel 100, which includes a display area AA, where the display area AA includes a fingerprint identification area 01, and the fingerprint identification area 01 includes a light sensing element 011;
the display panel 100 comprises a color film substrate 02, the color film substrate 02 comprises a substrate 021, a light shielding layer 022 and a color resistance layer 023, the light shielding layer 022 and the color resistance layer 023 are located on one side of the substrate 021, the color resistance layer 023 comprises a plurality of array arranged color resistances 0231, the light shielding layer 022 comprises a plurality of opening parts NBM and black matrixes BM surrounding the opening parts 0221, the orthographic projection of the opening parts NBM on the plane of the substrate 021 is at least partially overlapped with the orthographic projection of the color resistances 0231 on the plane of the substrate 021, the black matrixes BM comprise hollow parts 0221, the orthographic projection of the light sensing elements 011 on the plane of the substrate 021 and the orthographic projection of the hollow parts 0221 on the plane of the substrate 021 are at least partially overlapped, the light sensing elements 011 are used for receiving fingerprint sensing light incident on the light sensing elements 011, and due to the reflectivity difference of fingerprint valleys and ridges, the light sensing elements 011 receive different fingerprint information, further form fingerprint image differentiation and perform fingerprint sensing.
Fig. 1 and fig. 2 only show that the forward projection of the light sensing element 011 on the plane of the substrate 021 is located within the forward projection of the hollow portion 0221 on the plane of the substrate 021. The display panel 100 further includes an array substrate 03 disposed opposite to the color film substrate 02, and a liquid crystal layer 04 sandwiched between the color film substrate 02 and the array substrate 03, and the optical sensing element 011 is located on the array substrate 03 and can be located at any layer of the array substrate 03, where the array substrate 03 includes a first substrate 031, fig. 2 only shows that the optical sensing element 011 is located at one side of the first substrate 031 close to the color film substrate 02, and does not make specific requirements on the position of the optical sensing element 011, and on the array substrate 03, an orthographic projection of the optical sensing element 011 on a plane of the substrate 021 is located within an orthographic projection of the hollow portion 0221 on the plane of the substrate 021.
In order not to influence the aperture ratio of the display panel 100 in the prior art, the light sensor 011 is further disposed in the orthographic projection of the substrate 021 in the plane and the light shielding layer 022 of the hollow portion 0221 overlapping in the orthographic projection of the substrate 021 in the plane, because the hollow portion 0221 is located between the adjacent color resistors 0231, the number of the color resistors 0231 disposed in the color resistor layer 023 is larger, and the color resistors 0231 are designed in an island shape, and the contact area of the substrate 021 of the color resistor 0231 designed in the island shape is smaller, so that the risk of falling off exists.
In order to solve the above technical problem, the present invention provides a display panel and a display device. Embodiments of the display panel and the display device provided by the present invention will be described in detail below.
In this embodiment, please refer to fig. 3 to 5, fig. 3 is a schematic structural diagram of a display panel provided by the present invention, fig. 4 is a sectional view taken along the direction W-W 'in fig. 3, and fig. 5 is a sectional view taken along the direction J-J' in fig. 3. In fig. 4, the structure of the color filter substrate is shown for clarity, and the structures of other substrates in the display panel are not shown. The display panel 200 in the present embodiment includes: the color film substrate 1 comprises a substrate 11, a light shielding layer 12 and a color resistance layer 13, wherein the light shielding layer 12 and the color resistance layer 13 are positioned on one side of the substrate 11, the color resistance layer 13 comprises a plurality of first color resistances a1 and second color resistances a2 along a first direction X, the first color resistances a1 comprise N first sub-color resistances a11 arranged along a second direction Y, a first interval D1 is arranged between every two adjacent first sub-color resistances a11, the second color resistances a2 comprise M second sub-color resistances a21 extending along the second direction Y, N is not less than 2,M and not less than 1,N and more than M, N and M are positive integers, and the first direction X is intersected with the second direction Y; the light shielding layer 12 comprises a hollow-out part R, the hollow-out part R comprises a first hollow-out part R1, the orthographic projection of the first hollow-out part R1 on the plane of the substrate 11 is located in the first interval D1, and the hollow-out part R is used for transmitting light; the display panel 200 further includes a light sensing element O, and an orthogonal projection of the light sensing element O on the substrate 11 overlaps with an orthogonal projection of at least one of the hollow portions R on the substrate 11. The display panel 200 further includes an array substrate 2 disposed opposite to the color filter substrate 1, and a liquid crystal layer LC sandwiched between the color filter substrate 1 and the array substrate 2, and the photosensitive element O is located on any film layer on the array substrate 2. The array substrate 2 further includes a first substrate 21, and the light sensing element O is located on the array substrate 2, and fig. 5 only shows that the light sensing element O is located on the first substrate 21.
In fig. 1, only N =8 and M =2 are taken as examples, and of course, the number of M and N is not specifically required in the present invention, and may be set according to actual needs, so as to satisfy N ≥ 2,M ≥ 1,N > M, where N and M are positive integers, and will not be described in detail below. It can be understood that the color resist layer 13 includes a plurality of first color resists a1 and second color resists a2 along the first direction X, the first color resists a1 include 8 first sub color resists a11 arranged along the second direction Y, the second color resists a2 include 2 second sub color resists a21 extending along the second direction Y, a first interval D1 is provided between adjacent first sub color resists a11, the light shielding layer 12 includes a hollow portion R, the hollow portion R includes a first hollow portion R1, a forward projection of the first hollow portion R1 on the plane where the substrate 11 is located in the first interval D1, and the hollow portion R is used for transmitting light. Optionally, the hollow portion R may be used to transmit a fingerprint identification light for fingerprint identification of the display panel 100. Because the number of the first sub color resists a11 in each first color resist a1 is greater than the number of the second sub color resists a21 in each second color resist a2, it can be understood that the number of the second sub color resists a21 divided by the second color resist a2 is smaller than the number of the first sub color resists a11 divided by the first color resist a1, and the first spacing D1 between the adjacent first sub color resists a11 is provided with the first hollow portion R1, most of the light sensing elements O are arranged in the first hollow portion R1 in the first spacing D1 between the adjacent first sub color resists a11, on the basis of a certain number of the light sensing elements O, the number of the light sensing elements O arranged between the adjacent second sub color resists a21 in the second color resist a2 can be reduced to a certain extent, and the contact area between the second sub color resists a21 and the substrate 11 can be increased, thereby being beneficial to increasing the contact area between the color resists a 13 and the substrate 11, being beneficial to reducing the falling-off risk of the display panel 13, and being beneficial to reducing the falling-off risk of the display panel.
The display panel 200 may include a red color resistor, a blue color resistor, a green color resistor, and a white color resistor, the first color resistor a1 may include one of a red color resistor, a blue color resistor, a green color resistor, and a white color resistor, the second color resistor a2 may include at least two of a red color resistor, a blue color resistor, a green color resistor, and a white color resistor, that is, the second color resistor a2 includes more than one color resistor, so that the combination of the first color resistor a1 and the second color resistor a2 may include at least a red color resistor, a blue color resistor, and a green color resistor, and further, the first color resistor a1 and the second color resistor a2 may be used to implement color display of the display panel 200. With reference to fig. 3 and fig. 5, optionally, in the display panel 200 provided in this embodiment, along the second direction Y, the minimum distance d between the first hollow portion R1 and the first sub color resistance a11 is greater than or equal to 4um. The minimum distance d between the first hollow portion R1 and the first sub color resistor a11 can be understood as a distance between a side of the first hollow portion R1 close to the first sub color resistor a11 and a side of the first sub color resistor a11 close to the first hollow portion R1. Preferably, the minimum distance d between the first hollow-out part R1 and the first sub color resistance a11 is greater than or equal to 6.5um.
It can be understood that, in the display panel 200 of the embodiment, the minimum distance d between the first hollow portion R1 and the first sub color resistor a11 is limited to be greater than or equal to 4um, so that the color resistor of the first sub color resistor a11 can be prevented from spreading to the first hollow portion R1, the light transmitted by the first hollow portion R1 is affected, and the subsequent recognition effect of the display panel by using the light can be further avoided. Optionally, d is greater than or equal to 6.5um, and the color resistance of the first sub color resistance a11 can be further prevented from spreading to the first hollow-out portion R1 to affect the light transmitted by the first hollow-out portion R1, wherein the minimum distance d between the first hollow-out portion R1 and the first sub color resistance a11 is not limited by a specific value, d is greater than or equal to 4um, the specific value can be set according to an actual situation, and details are not described below.
With continuing reference to fig. 6 and fig. 7, fig. 6 is a schematic structural diagram of another display panel provided by the present invention, fig. 7 is a cross-sectional view taken along the direction I-I' in fig. 6, and optionally, in the display panel 200 provided in this embodiment, the color-resist layer 13 includes a plurality of first color resists a1 and second color resists a2 along the first direction X, the first color resists a1 includes N first sub-color resists a11 arranged along the second direction Y, a first interval D1 is provided between adjacent first sub-color resists a11 along the second direction Y, the second color resists a2 includes M second sub-color resists a21 extending along the second direction Y, and a second interval D2 is provided between adjacent second sub-color resists a21 along the second direction Y, where N ≧ 2,M > 1,N > M, N and M are positive integers, and the first direction X intersects the second direction Y; the light shielding layer 12 comprises a hollow-out part R, the hollow-out part R comprises a first hollow-out part R1 and a second hollow-out part R2, the orthographic projection of the first hollow-out part R1 on the plane of the substrate 11 is located in the first interval D1, the orthographic projection of the second hollow-out part R2 on the plane of the substrate 11 is located in the second interval D2, and the hollow-out part R is used for transmitting light; the display panel 200 further includes a light sensing element O, and an orthographic projection of the light sensing element O on the substrate 11 overlaps with an orthographic projection of at least one of the hollow portions R on the substrate 11.
It can be understood that the invention can also be provided with a second hollow-out portion R2 between adjacent second sub color resistors a 21; the light sensing element O may have a position relationship including the following two types, the first type: the orthographic projection of the light sensing element O on the substrate 11 is overlapped with the orthographic projection of the first hollow part R1 on the substrate 11. And the second method comprises the following steps: the orthographic projection of the optical sensing element O on the substrate 11 is overlapped with the orthographic projection of the first hollow part R1 on the substrate 11, and the orthographic projection of the optical sensing element O on the substrate 11 is overlapped with the orthographic projection of the second hollow part R2 on the substrate 11. For the second case, the definition of the distance between the second hollow portion R2 and the adjacent second sub color resistor a21 may be the same as the definition of the distance between the first hollow portion R1 and the adjacent first sub color resistor a11, and specific definition conditions may be combined with the following embodiments. The position of the photosensitive element O is not specifically required, and can be specifically set according to actual conditions, which is not described in detail below. Furthermore, the orthographic projection of the substrate 11 is limited, and the invention only needs to ensure that the number of the first sub color resistors a11 in each first color resistor a1 is greater than the number of the second sub color resistors a21 in each second color resistor a2, most of the light sensing elements O are arranged in the first hollow part R1 in the first interval D1 between the adjacent first sub color resistors a11, and on the basis of a certain number of the light sensing elements O, the number of the light sensing elements O arranged between the adjacent second sub color resistors a21 in the second color resistor a2 can be reduced to a certain extent, so that the contact area between the second sub color resistors a21 and the substrate 11 can be increased, thereby being beneficial to increasing the contact area between the color resistor layer 13 and the substrate 11, being beneficial to reducing the falling risk of the color resistor layer 13 of the display panel 200, and improving the quality of the display panel.
Referring to fig. 8, fig. 8 is a schematic structural diagram of another display panel provided by the present invention, in the display panel 100 provided in this embodiment, the color resistance layer 13 includes a plurality of first color resistances a1 and second color resistances a2 along a first direction X, the first color resistance a1 includes N first sub-color resistances a11 arranged along a second direction Y, a first interval D1 is provided between adjacent first sub-color resistances a11, the second color resistance a2 includes M second sub-color resistances a21 extending along the second direction Y, optionally, N is greater than or equal to 2, M =1, and N is a positive integer. Fig. 8 only shows that the first color resistor a1 includes 8 first sub-color resistors a11 arranged along the second direction Y, and the second color resistor a2 includes 1 second sub-color resistor a21 extending along the second direction Y.
It can be understood that in the display panel 200 provided in this embodiment, the first hollow portion R1 is disposed at the first interval D1 between the adjacent first sub color resistors a11, and the light sensing element O is disposed in the first hollow portion R1, so that it is not necessary to dispose an interval between the adjacent second sub color resistors a21 to place the light sensing element O, and therefore the second color resistor a2 may be disposed in a strip shape, that is, the second color resistor a2 only includes one second sub color resistor a21, which is equivalent to the island-shaped structure of the first sub color resistor a11, and the strip-shaped structure of the second sub color resistor a21, and it is not necessary to divide the second color resistor a2 into a plurality of second sub color resistors a22, so that the contact area between the second sub color resistor a21 and the substrate 11 can be increased, and therefore the contact area between the color resistor layer 13 and the substrate 11 can be increased, and the color resistor layer 13 is prevented from falling off the substrate 11, and thus the display panel 200 is favorable for reducing the risk of falling off of the color resistor layer 13 and improving the display panel 200. In fig. 8, the second sub-color resistors a21 are only in a rectangular strip structure as an example, and may also be in other integrated structures, so that it is ensured that each second sub-color resistor a2 is a whole that can meet the above requirements, thereby reducing the risk of dropping the color resistor layer 13 of the display panel 200 and improving the quality of the display panel 200.
Referring to fig. 9 and 10, fig. 9 is a schematic structural view of another display panel provided by the present invention, and fig. 10 is a cross-sectional view taken along the direction T-T' in fig. 9. The display panel 100 provided by the embodiment includes a display area AA, where the display area AA includes a plurality of sub-pixels P, where the sub-pixels P include a first color sub-pixel P1 and a second color sub-pixel P2, a forward projection of the first sub-color resistor a11 on a plane of the substrate 11 overlaps a forward projection of the first color sub-pixel P1 on the plane of the substrate 11, and a forward projection of the second sub-color resistor a21 on the plane of the substrate 11 overlaps a forward projection of the second color sub-pixel P2 on the plane of the substrate 11; in the first direction X, the size of the first sub-color resistor a11 in the first sub-pixel P1 is larger than the size of the second sub-color resistor a22 in the second sub-pixel P2.
It can be understood that, because the first distance D1 is provided between the adjacent first sub color resistors a11, the light shielding layer 12 includes the first hollow portion R1, the first hollow portion R1 is located in the first distance D1, and the hollow portion R is used for transmitting light, which may cause a reduction in size of the first sub color resistor a11, and further, because an orthographic projection of the first sub color resistor a11 on the plane of the substrate 11 overlaps with an orthographic projection of the first color sub pixel P1 on the plane of the substrate 11, the aperture ratio of the first color sub pixel P1 is smaller than the aperture ratio of the second color sub pixel P2, which may cause problems such as color cast in the display panel 100. Therefore, along the first direction X, the size of the first sub-color resistor a11 in the first sub-pixel P1 is larger than the size of the second sub-color resistor a22 in the second sub-pixel P2, and the problem of small aperture ratio of the first color sub-pixel P1 is compensated by using the fact that the size of the first sub-color resistor a11 in the first sub-pixel P1 is larger than the size of the second sub-color resistor a22 in the second sub-pixel P2, thereby avoiding color cast of the display panel.
The size of the first sub-color resistor a11 in the first sub-pixel P1 is larger than the size of the second sub-color resistor a22 in the second sub-pixel P2. With continued reference to fig. 9 and 10, the width of the first sub-color resistor a11 in the first sub-pixel P1 is h1, the width of the second sub-color resistor a22 in the second sub-pixel P2 is h2, h1 > h2, and the length of the first sub-color resistor a11 in the first sub-pixel P1 is equal to the length of the second sub-color resistor a22 in the second sub-pixel P2 along the first direction X. Of course, it can also be set that the width of the first sub-color resistor a11 in the first sub-pixel P1 is equal to the width of the second sub-color resistor a22 in the second sub-pixel P2 along the first direction X, and the length of the first sub-color resistor a11 in the first sub-pixel P1 is greater than the length of the second sub-color resistor a22 in the second sub-pixel P2 along the second direction Y. The invention does not require how to set the size of the first sub-color resistor a11 in the first sub-pixel P1 to be larger than the size of the second sub-color resistor a22 in the second sub-pixel P2, as long as the aperture ratio of the first color sub-pixel P1 can be compensated to be consistent with the aperture ratio of the second color sub-pixel P2, and details are not repeated below.
Referring to fig. 11 and 12, fig. 11 is a schematic view of a structure of another display panel provided by the present invention, and fig. 12 is a partial enlarged view of S in fig. 11. The display panel 200 provided in this embodiment is suitable for each film layer in the above embodiments, and along a first direction X, the first color sub-pixel P1 and the adjacent second color sub-pixel P2 are correspondingly disposed, and orthogonal projections of the correspondingly disposed first color sub-pixel P1 and the second color sub-pixel P2 on a first plane are overlapped, where the first plane is perpendicular to a light exit surface of the display panel 200, and the first plane is perpendicular to the first direction X; the first color sub-pixel P1 is one of a red sub-pixel, a green sub-pixel, or a blue sub-pixel. The second color sub-pixel P2 may include at least two of a red sub-pixel, a green sub-pixel, or a blue sub-pixel, i.e., the first color sub-pixel P1 and the second color sub-pixel P2 in combination include at least a red sub-pixel, a green sub-pixel, and a blue sub-pixel. Optionally, the first color sub-pixel P1 and the second color sub-pixel P2 may also include a white sub-pixel. The display panel 200 in this embodiment does not make specific requirements on the color of the first color sub-pixel P1, and may be specifically set according to actual needs, which is not described in detail below.
It is understood that, along the first direction X, the first color sub-pixel P1 is disposed corresponding to the adjacent second color sub-pixel P2, and the orthographic projection of the correspondingly disposed first color sub-pixel P1 and second color sub-pixel P2 on the first plane overlaps, as shown in fig. 12, the first color sub-pixel P1 includes a first side C1 and a second side C3 disposed oppositely along the second direction Y, the second color sub-pixel P2 disposed opposite to the first color sub-pixel P1 includes a second side C2 and a fourth side C4 disposed oppositely along the second direction Y, the extension line of the first side C1 in the first color sub-pixel P1 is coincident with the extension line of the second side C2 in the second color sub-pixel P2 disposed oppositely, the extension line of the third side C3 in the first color sub-pixel P1 coincides with the extension line of the fourth side C4 in the second color sub-pixel P2 disposed opposite to the third side C3, that is, the adjacent first color sub-pixel P1 and second color sub-pixel P2 are in a one-to-one correspondence relationship, and on the premise that the size of the first sub-color resistor a11 in the first sub-pixel P1 is larger than the size of the second sub-color resistor a22 in the second sub-pixel P2, it can be defined that the length of the first sub-color resistor a11 in the first color sub-pixel P1 is equal to the length of the second sub-pixel a21 in the second color sub-pixel P2 along the second direction Y, and the width of the first sub-color resistor a11 in the first color sub-pixel P1 is larger than the width of the second sub-pixel a21 in the second color sub-pixel P2 along the first direction X. Since the first color sub-pixel P1 and the second color sub-pixel P2 can be understood as the area defined by the intersection of the scan line and the data line in the display panel 200, and can be arranged along the second direction Y, the length of the first sub-color resistor a11 in the first color sub-pixel P1 is equal to the length of the second sub-pixel a21 in the second color sub-pixel P2, and further, the routing trend of the scan line in the display panel 200 does not need to be changed, which is beneficial to simplifying the routing in the display panel and reducing the process difficulty.
With continued reference to fig. 11 and 12, in the display panel 200 provided in this embodiment, the first color sub-pixel P1 is a green sub-pixel.
It can be understood that, since the first color sub-pixel P1 is a red sub-pixel, a green sub-pixel or a blue sub-pixel, the aperture ratio of the green sub-pixel is the highest, and the aperture ratio of the red sub-pixel is the second, the aperture ratio of the blue sub-pixel is the lowest. The aperture ratio of the red sub-pixel, the green sub-pixel or the blue sub-pixel refers to a ratio of a light transmission amount of an aperture area per unit area to a total light emission amount, and further, since the aperture ratio of the green sub-pixel is the highest, light emitted by the first color sub-pixel P1 is conveniently reflected to the light sensing element O, and the light emitted by the first color sub-pixel P1 is efficiently utilized, as shown in fig. 11, fig. 11 only shows that the first color sub-pixel P1 is the green sub-pixel, and the second color sub-pixel P2 includes the blue sub-pixel and the red sub-pixel; meanwhile, the aperture ratio of the sub-pixel is reduced due to the light shielding layer arranged in the first color sub-pixel P1, and then the sub-pixel with the highest aperture ratio is selected to be used for compensating the problem of low aperture ratio caused by the light shielding layer, so that the aperture ratio of the first color sub-pixel P1 is the same as that of the second color sub-pixel P2, wherein the same meaning means that color cast cannot be seen under the observation of human eyes.
With reference to fig. 13, fig. 13 is a schematic structural diagram of another display panel according to the present invention, in the display panel 200 provided in this embodiment, the display AA area includes a plurality of sub-pixels P, each of the sub-pixels P includes a first color sub-pixel P1 and a second color sub-pixel P2, an orthogonal projection of the first sub-color resistor a11 on the plane of the substrate 11 overlaps an orthogonal projection of the first color sub-pixel P1 on the plane of the substrate 11, and an orthogonal projection of the second sub-color resistor a21 on the plane of the substrate 11 overlaps an orthogonal projection of the second color sub-pixel P2 on the plane of the substrate 11; the first color sub-pixel P1 is a white sub-pixel.
The sub-pixels can be red sub-pixels, green sub-pixels, blue sub-pixels or white sub-pixels, the aperture opening ratio of the white sub-pixels is the highest among the sub-pixels with the colors, and the aperture opening ratios of the green sub-pixels, the red sub-pixels and the blue sub-pixels are respectively from high to low, and the first color sub-pixel P1 is further arranged to be the white sub-pixel due to the fact that the aperture opening ratio of the white sub-pixel is the highest, so that light emitted by the first color sub-pixel P1 can be reflected to the light sensing element conveniently, and the light emitted by the first color sub-pixel P1 can be efficiently utilized; meanwhile, the aperture ratio of the sub-pixel is reduced due to the light shielding layer arranged in the first color sub-pixel P1, and then the sub-pixel with the highest aperture ratio is selected to be used for compensating the problem of low aperture ratio caused by the light shielding layer, so that the aperture ratio of the first color sub-pixel P1 is the same as that of the second color sub-pixel P2, wherein the same meaning means that color cast cannot be seen under the observation of human eyes.
Since the aperture ratio of the white sub-pixel is much larger than the aperture ratios of the other color sub-pixels, the first color sub-pixel P1 is optionally a red sub-pixel, a green sub-pixel, or a blue sub-pixel. The aperture ratio of the white sub-pixel can be used for compensating the problem of low aperture ratio of the display panel, and then when the first sub-pixel P1 is a red sub-pixel, a green sub-pixel or a blue sub-pixel, the size and aperture ratio of the first color sub-pixel P1 do not need to be adjusted, and the aperture ratio can be set randomly according to actual needs. Furthermore, the size of the first color sub-pixel P1 is not specifically required, and may be specifically set according to the aperture ratio required by the display panel, and fig. 13 only illustrates that the area of the first color sub-pixel P1 is smaller than the area of the second color sub-pixel P2.
Referring to fig. 14 and 15, fig. 14 is a schematic view of another display panel structure provided by the present invention, and fig. 15 is a partially enlarged view of B in fig. 14. In the display panel 200 provided in this embodiment, a cut angle 3 is disposed on a side of the first color resistor a1 close to the first interval D1, and a minimum distance D1 between the first hollow portion R1 and the cut angle 3 is greater than or equal to 4um along the second direction Y; in a direction perpendicular to the light exit surface of the display panel 200, an orthogonal projection of the chamfer 3 on a second plane perpendicular to the light exit surface of the display panel 200 is at least partially overlapped with an orthogonal projection of the first hollow portion R1 on the second plane parallel to the first direction X. Fig. 14 and 15 only show that the orthogonal projection of the chamfer 3 on the plane of the substrate base plate 11 is a semicircle, but the orthogonal projection of the chamfer 3 on the plane of the substrate base plate 11 is not specifically required in the present invention, and may be set according to actual conditions, for example, it may be a circle, a triangle, a quadrangle, or a polygon.
In a direction perpendicular to the light exit surface of the display panel 200, an orthographic projection of the cut angle 3 on the second plane is at least partially overlapped with an orthographic projection of the first hollow portion R1 on the second plane, and it can be further understood that, referring to fig. 15, the cut angle 3 includes two end points, extension lines of rays formed by the two end points along the second direction are B1 and B2, respectively, the first hollow portion R1 arranged opposite to the cut angle includes two sides B3 and B4 arranged oppositely and extending along the second direction Y, an extension line of a ray formed by at least one end point of the cut angle 3 along the second direction is located between the two sides B3 and B4 of the first hollow portion R1 arranged opposite to the cut angle, which is equivalent to increasing a distance between the first hollow portion R1 and the first color resistance a1 along the second direction Y, so that a color resistance of the first sub color resistance a11 can be prevented from spreading into the first hollow portion R1, which affects the first hollow portion R1, and the light transmission precision of the display panel 200 is improved.
Further, in the second direction Y, the minimum distance d1 between the first hollow portion R1 and the corner cut 3 is greater than or equal to 4um, which can be understood as the distance between the side of the first hollow portion R1 close to the corner cut 3 and the side of the corner cut 3 close to the first hollow portion R1, that is, the distance d1 between the side of the first hollow portion R1 close to the corner cut 3 and the side of the corner cut 3 close to the first hollow portion R1 is defined to be greater than or equal to 4um, and meanwhile, due to the additional provision of the corner cut 3, and the extension line of the ray formed along the second direction of at least one end point of the corner cut 3 is located between the two side edges B3 and B4 of the first hollow portion R1 opposite to the corner cut, which is equivalent to the increase of the distance between the first hollow portion R1 and the first color resistor a1 along the second direction Y, the color resistor a11 can be prevented from spreading into the first hollow portion R1, and affecting the light transmitted by the first hollow portion R1. Optionally, in the second direction Y, the minimum distance d1 between the first hollow portion R1 and the corner cut 3 is greater than or equal to 6.5um, so that the color resistance of the first sub color resistance a11 can be further prevented from spreading to the first hollow portion R1, the transmitted light of the first hollow portion R1 is affected, and the identification accuracy of the display panel 200 is improved.
With reference to fig. 3, the display panel 200 provided in this embodiment has an aperture ratio of the first color resistance a1 greater than an aperture ratio of the second color resistance a 2. The first color resistor a1 includes N first sub-color resistors a11 arranged along the second direction Y, and the second color resistor a2 includes M second sub-color resistors a21 extending along the second direction Y.
It can be understood that, because the first distance D1 is provided between the adjacent first sub color resistors a11, the light shielding layer 12 includes the first hollow portion R1, the first hollow portion R1 is located in the first distance D1, and the hollow portion R is used for transmitting light, the aperture ratio of the display area of the display panel 200 corresponding to the first color resistor a1 and the first distance R is lower than the aperture ratio of the display area of the display panel 200 corresponding to the second color resistor a2, so that a color cast problem occurs. And setting the aperture ratio of the first color resistance a1 to be greater than the aperture ratio of the second color resistance a2, and compensating the color cast problem caused by the low aperture ratio of the display area of the display panel 200 corresponding to the first color resistance a1 and the first spacing R relative to the aperture ratio of the display area of the display panel 200 corresponding to the second color resistance a2 by utilizing the aperture ratio of the first color resistance a1 to be greater than the aperture ratio of the second color resistance a2, thereby realizing the color uniformity of the display panel.
With continued reference to fig. 3, the present embodiment provides the display panel 200 in which the length of the first color resistance a1 is equal to the length of the second color resistance a2 along the second direction.
It can be understood that, since the length of the first color resistor a1 is equal to the length of the second color resistor a2, that is, each of the first color resistors a1 and the display area of the display panel 200 corresponding to each of the second color resistors a2 are the same along the second direction Y, further, since the first color resistor a1 includes N first sub color resistors a11 arranged along the second direction Y, the second color resistor a2 includes M second sub color resistors a21 extending along the second direction Y, and a first space D1 is provided between adjacent first sub color resistors a11, the light shielding layer 12 includes a first hollow portion R1, a normal projection of the first hollow portion R1 on the plane of the substrate 11 is located in the first space D1, and the first hollow portion R1 is used for transmitting light. The first space D1 between the second sub color resistors a22 is not required to be arranged for setting the hollow portion in the light shielding layer 12, and then the number of the second sub color resistors a21 in each second color resistor a2 can be set to be smaller than the number of the first sub color resistors in each first color resistor a1, that is, the number of the second sub color resistors a21 divided by the second color resistor a2 is smaller than the number of the first sub color resistors a11 divided by the first color resistor a1, most of the light sensing elements O are arranged in the first hollow portion R1 in the first space D1 between the adjacent first sub color resistors a11, and on the basis of a certain number of the light sensing elements O, the number of the light sensing elements O arranged between the adjacent second sub color resistors a21 in the second color resistor a2 can be reduced to a certain extent, and then the contact area between the second sub color resistors a21 and the substrate 11 can be increased, thereby being beneficial to increasing the contact area between the color resistor layer 13 and the substrate 11, being beneficial to reducing the risk of the falling-off of the display panel 100.
The present invention further provides a display device 300, which includes the display panel 100 provided in any of the above embodiments of the present invention, and a housing 200. Referring to fig. 16, fig. 16 is a schematic view of a display device according to the present invention. Fig. 16 provides a display device 300 including the display panel 200 according to any of the above embodiments of the present invention. The embodiment of fig. 16 only takes a mobile phone as an example to describe the display device 300, and it should be understood that the display device 300 provided in the embodiment of the present invention may be other display devices with a display function, such as a computer, a television, a vehicle-mounted display device, and the present invention is not limited thereto. The display device provided in the embodiment of the present invention has the beneficial effects of the display panel provided in the embodiment of the present invention, and specific reference is specifically made to the specific description of the display device in each of the above embodiments, which is not repeated herein.
As can be seen from the above embodiments, the display panel and the display device provided by the present invention at least achieve the following beneficial effects:
compared with the prior art, the color resistance layer comprises a plurality of first color resistances and second color resistances along the first direction, the first color resistances comprise N first sub-color resistances arranged along the second direction, the second color resistances comprise M second sub-color resistances extending along the second direction, N is not less than 2,M not less than 1,N > M, N and M are positive integers, and the first direction is intersected with the second direction; the orthographic projection of the light sensing element on the substrate is overlapped with the orthographic projection of at least one hollow part on the substrate, the first hollow part is located in the light shielding layer, and the first hollow part is located in a first interval between adjacent first sub-color resistors. In order to ensure the normal light recognition of the display panel, a certain number of light sensing elements are required to be arranged, the number of second sub-color resistors in each second color resistor is limited to be smaller than the number of first sub-colors in each first color resistor, most of the light sensing elements are arranged in the first hollow parts in the first intervals between the adjacent first sub-color resistors, and on the basis of the certain number of the light sensing elements, the number of the light sensing elements arranged between the adjacent second sub-color resistors in the second color resistor can be reduced to a certain extent, so that the contact area between the second sub-color resistors and the substrate can be increased, the contact area between the color resistors and the substrate can be increased, the falling risk of a color resistor layer of the display panel can be reduced, and the quality of the display panel can be improved.
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 (10)
1. A display panel is characterized by comprising a color film substrate, wherein the color film substrate comprises a substrate base plate, a light shielding layer and a color resistance layer, the light shielding layer and the color resistance layer are positioned on one side of the substrate base plate, the color resistance layer comprises a plurality of first color resistances and second color resistances along a first direction, the first color resistances comprise N first sub-color resistances which are arranged along a second direction, a first interval is arranged between every two adjacent first sub-color resistances, the second color resistances comprise M second sub-color resistances which extend along the second direction, N is not less than 2,M and is not less than 1,N and is more than M, N and M are positive integers, and the first direction is intersected with the second direction;
the light shielding layer comprises a hollow-out part, the hollow-out part comprises a first hollow-out part, the orthographic projection of the first hollow-out part on the plane of the substrate base plate is located in the first interval, and the hollow-out part is used for transmitting light;
the display panel further comprises a light sensing element, and the orthographic projection of the light sensing element on the substrate is overlapped with the orthographic projection of at least one hollow part on the substrate;
a chamfer is arranged on one side, close to the first interval, of the first color resistor, and the minimum distance d1 between the hollow part and the chamfer is larger than or equal to 4um along the second direction; in a direction perpendicular to a light emitting surface of the display panel, an orthographic projection of the chamfer on a second plane is at least partially overlapped with an orthographic projection of the hollow portion on the second plane, wherein the second plane is perpendicular to the light emitting surface of the display panel, and the second plane is perpendicular to the second direction.
2. The display panel according to claim 1, wherein M > 1, and a second interval exists between adjacent second sub-color resists along the second direction;
the hollow parts further comprise second hollow parts, and orthographic projections of the second hollow parts on the plane where the substrate base plate is located are located in the second intervals.
3. The display panel according to claim 1, wherein M =1.
4. The display panel according to claim 1, comprising a display area, wherein the display area comprises a plurality of sub-pixels, and the sub-pixels comprise a first color sub-pixel and a second color sub-pixel, wherein an orthographic projection of the first sub-color resistor on the plane of the substrate overlaps with an orthographic projection of the first color sub-pixel on the plane of the substrate, and an orthographic projection of the second sub-color resistor on the plane of the substrate overlaps with an orthographic projection of the second color sub-pixel on the plane of the substrate;
along the first direction, the size of the first sub-color resistance in the first color sub-pixel is larger than the size of the second sub-color resistance in the second color sub-pixel.
5. The display panel according to claim 4, wherein along the first direction, the first color sub-pixel is disposed corresponding to the adjacent second color sub-pixel, and orthographic projections of the correspondingly disposed first color sub-pixel and the second color sub-pixel on a first plane are overlapped, wherein the first plane is perpendicular to a light exit surface of the display panel, and the first plane is perpendicular to the first direction;
the first color sub-pixel is a red sub-pixel, a green sub-pixel or a blue sub-pixel.
6. The display panel of claim 5, wherein the first color sub-pixel is the green sub-pixel.
7. The display panel according to claim 1, comprising a display area, wherein the display area comprises a plurality of sub-pixels, and the sub-pixels comprise a first color sub-pixel and a second color sub-pixel, wherein a forward projection of the first sub-color resistor on the plane of the substrate base overlaps a forward projection of the first color sub-pixel on the plane of the substrate base, and a forward projection of the second sub-color resistor on the plane of the substrate base overlaps a forward projection of the second color sub-pixel on the plane of the substrate base;
wherein the first color sub-pixel is a white sub-pixel.
8. The display panel according to claim 1, wherein the transmittance of the first color resistance is greater than the transmittance of the second color resistance.
9. The display panel of claim 1, wherein the length of the first color resistance is equal to the length of the second color resistance along the second direction.
10. A display device characterized by comprising the display panel according to any one of claims 1 to 9.
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| CN110333620A (en) * | 2019-04-30 | 2019-10-15 | 厦门天马微电子有限公司 | Display panel and display device |
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