CN111999934A - Display panel and display device - Google Patents
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- CN111999934A CN111999934A CN202010971644.0A CN202010971644A CN111999934A CN 111999934 A CN111999934 A CN 111999934A CN 202010971644 A CN202010971644 A CN 202010971644A CN 111999934 A CN111999934 A CN 111999934A
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- 230000007480 spreading Effects 0.000 description 5
- 239000003086 colorant Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 230000004069 differentiation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000002310 reflectometry Methods 0.000 description 2
- 101100008047 Caenorhabditis elegans cut-3 gene Proteins 0.000 description 1
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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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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 resistances and second color resistances, the first color resistances comprise N first sub-color resistances, a first interval is arranged between every two adjacent first sub-color resistances, the second color resistances comprise M second sub-color resistances, N is not less than 2, M is not less than 1, N 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, and a light shielding layer and a color resistance layer which are positioned on one side of the substrate, the color resistance layer comprises a plurality of first color resistors and second color resistors along a first direction, the first color resistors comprise N first sub color resistors which are distributed along a second direction, a first interval is arranged between every two adjacent first sub color resistors, the second color resistors comprise M second sub color resistors which extend along the second direction, N is not less than 2, M is not less than 1, N 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 display panel and the display device provided by the invention have the advantages that 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 more than or equal to 2, M is more than or equal to 1, N 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 positioned in the light shielding layer, and the first hollow part is positioned 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 view of a display panel structure 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-section 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 includes a color filter substrate 02, the color filter substrate 02 includes a substrate 021, and a light shielding layer 022 and a color resistance layer 023 which are located on one side of the substrate 021, the color resistance layer 023 includes a plurality of color resistances 0231 arranged in an array, the light shielding layer 022 includes a plurality of openings NBM and a black matrix BM which surrounds the openings 0221, an orthographic projection of the openings NBM on a plane where the substrate 021 is located covers at least partially overlapping with an orthographic projection of the color resistances 0231 on a plane where the substrate 021 is located, the black matrix BM includes a hollow portion 0221, an orthographic projection of the light sensing element 011 on a plane where the substrate 021 is located at least partially overlapping with an orthographic projection of the hollow portion 0221 on a plane where the substrate 021 is located, the light sensing element 011 is used for receiving fingerprint identification light incident on the light sensing element 011 through the hollow portion 0221, and due to a difference in reflectivity of fingerprint valleys and ridges, the light sensing element 011 receives different fingerprint information differentiation, and then a fingerprint image is formed for fingerprint identification.
Fig. 1 and fig. 2 only show that the orthographic projection of the light sensing element 011 on the plane of the substrate 021 is located within the orthographic 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 affect the aperture ratio of the display panel 100 in the prior art, the light sensor element 011 is further disposed in the orthographic projection of the substrate 021 in the plane and the orthographic projection of the hollow portion 0221 in the light shielding layer 022 in 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 filter substrate comprises a color filter substrate 1, wherein the color filter substrate 1 comprises a substrate 11, a light shielding layer 12 and a color resistance layer 13, 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 more than or equal to 2, M is more than or equal to 1, N is 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 includes a hollow portion R, the hollow portion R includes a first hollow portion R1, an orthographic projection of the first hollow portion R1 on the plane of the substrate 11 is located in the first interval D1, and the hollow portion 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 film substrate 1, and a liquid crystal layer LC interposed between the color film substrate 1 and the array substrate 2, and the light sensing 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 is 8, and M is 2, which are taken as examples, and certainly the number of M and N is not specifically required in the present invention, and may be set according to actual needs, where N is greater than or equal to 2, M is greater than or equal to 1, N is greater than M, and N and M are positive integers, which is not described in detail below. It can be understood that the color-resisting layer 13 includes a plurality of first color-resisting a1 and second color-resisting a2 along the first direction X, the first color-resisting a1 includes 8 first sub color-resisting a11 arranged along the second direction Y, the second color-resisting a2 includes 2 second sub color-resisting a21 extending along the second direction Y, a first interval D1 is provided between adjacent first sub color-resisting a11, the light-shielding layer 12 includes a hollow-out portion R, the hollow-out portion R includes a first hollow-out portion R1, a forward projection of the first hollow-out portion R1 on the plane of the substrate 11 is located in the first interval D1, and the hollow-out 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. Since 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 portions R1, most of the light sensing elements O are provided in the first hollow portions 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 provided between the adjacent second sub color resists a21 in the second color resists 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 facilitating the reduction of the risk of the peeling of the color resist substrate 13, and the display panel. The quality of the display panel is improved.
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 by the present 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 4 um. The minimum distance d between the first hollow portion R1 and the first sub color resistor a11 can be understood as the distance between the side of the first hollow portion R1 close to the first sub color resistor a11 and the 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 more than or equal to 6.5 um.
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 greater than or equal to 4um, which can prevent the color resistor of the first sub color resistor a11 from spreading to the first hollow portion R1, and influence the first hollow portion R1 on the transmitted light, thereby avoiding influencing the subsequent recognition effect of the display panel by using the light. 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 into 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, and d is greater than or equal to 4um, and the specific value can be set according to an actual situation, which is not described in detail 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, the color-resistor layer 13 in the display panel 200 provided in this embodiment includes a plurality of first color resistors a1 and second color resistors a2 along the first direction X, the first color resistors a1 include N first sub-color resistors a11 arranged along the second direction Y, a first interval D1 is provided between adjacent first sub-color resistors a11 along the second direction Y, the second color resistors a2 include M second sub-color resistors a21 extending along the second direction Y, and a second interval D2 is provided between adjacent second sub-color resistors a21 along the second direction Y, where N is greater than or equal to 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, an orthographic projection of the first hollow-out part R1 on the plane of the substrate 11 is located in the first interval D1, an 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 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.
It is understood that the invention may 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 base plate 11 is overlapped with the orthographic projection of the first hollow-out part R1 on the substrate base plate 11. And the second method comprises the following steps: 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 orthographic projection of the light 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 interval between the second hollow-out portion R2 and the second sub color resistor a21 adjacent thereto may be the same as the definition of the interval between the first hollow-out portion R1 and the first sub color resistor a11 adjacent thereto, 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. It can be further understood that the invention only requires to limit the orthographic projection of the substrate 11 and 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-out portions R1 in the first interval D1 between 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 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, which is beneficial to increase the contact area between the color resistor layer 13 and the substrate 11, and is beneficial to reduce the risk of dropping off the color resistor layer 13 of the display panel 200, and improve 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-resist layer 13 includes a plurality of first color resists a1 and second color resists a2 along a first direction X, the first color resist a1 includes N first sub-color resists a11 arranged along a second direction Y, a first interval D1 is provided between adjacent first sub-color resists a11, the second color resist a2 includes M second sub-color resists a21 extending along the second direction Y, optionally, N is greater than or equal to 2, M is equal to 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 resistors a2 can be disposed in a strip shape, that is, the second color resistors a2 only includes one second sub-color resistor a21, which is equivalent to that the first sub-color resistor a11 is an island-shaped structure, and the second sub-color resistor a21 is a strip-shaped structure, and it is not necessary to divide the second color resistors a2 into a plurality of second sub-color resistors a22, so that the contact area between the second sub-color resistors a21 and the substrate 11 can be increased, thereby being beneficial to increase the contact area between the color resistors 13 and the substrate 11, preventing the color resistors 13 from falling off from the substrate 11, and further being beneficial to reduce the risk of the display panel 200, the quality of the display panel 200 is improved. In fig. 8, the second sub-color resistors a21 are only in a rectangular strip structure, and may also be in other integrated structures, so that the requirement can be met by ensuring that each second sub-color resistor a2 is a whole, the risk of dropping the color-resist layer 13 of the display panel 200 is reduced, and the quality of the display panel 200 is improved.
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, the display area AA includes a plurality of sub-pixels P, each sub-pixel 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; 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, since 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 result in reducing the size of the first sub color resistor a11, and further, since the orthographic projection of the first sub color resistor a11 on the plane of the substrate 11 overlaps with the 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 result in the problem of color cast of the display panel 100. Therefore, 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, and the problem that the aperture ratio of the first color sub-pixel P1 is small is compensated by 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, so that color cast of the display panel is avoided.
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, it may be that, along the first direction X, 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 along the second direction Y, 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. Of course, it can also be arranged 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 specifically 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 the film layers in the above embodiments, and along the first direction X, the first color sub-pixel P1 is disposed corresponding to the adjacent second color sub-pixel P2, and orthogonal projections of the correspondingly disposed first color sub-pixel P1 and second color sub-pixel P2 overlap on a first plane, where the first plane is perpendicular to the light emitting 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. Alternatively, 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, 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 oppositely 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 C1 of the first side C of the first color sub-pixel P1 coincides with the extension line C2 of the second color sub-pixel P2 disposed oppositely, the extension line C3 of the first color sub-pixel P1 coincides with the extension line P84 of the second color sub-pixel P2 disposed oppositely, and the extension line P4642 of the third side C3 of the first color sub-pixel P1 coincides with the extension line P3984 of the adjacent second color sub-pixel P1, and the extension line P4684 is the corresponding first color sub-pixel P2, 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 sub-pixel P1 is equal to the length of the second sub-pixel a21 in the second sub-pixel P2 along the second direction Y, and the width of the first sub-color resistor a11 in the first sub-pixel P1 is larger than the width of the second sub-pixel a21 in the second 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 set 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 can be beneficial to simplifying the routing in the display panel and reducing the process difficulty.
With continued reference to fig. 11 and 12, the present embodiment provides the display panel 200 in which 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, among the sub-pixels of the above colors, 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 to a total light emission amount of an aperture area of a unit area, 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 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 the sub-pixel with the highest aperture ratio is selected to compensate 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 is that no color cast is seen by human eyes.
Referring 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, a forward projection of the first sub-color resistor a11 on the 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; the first color sub-pixel P1 is a white sub-pixel.
The sub-pixels can be a red sub-pixel, a green sub-pixel, a blue sub-pixel or a white sub-pixel, among the sub-pixels with the colors, the aperture ratio of the white sub-pixel is the highest, and the aperture ratios of the sub-pixels from high to low are respectively the green sub-pixel, the red sub-pixel and the blue sub-pixel, and because the aperture ratio of the white sub-pixel is the highest, the first color sub-pixel P1 is further set to be the white sub-pixel, so that light emitted by the first color sub-pixel P1 can be reflected to the light sensing element, 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 the sub-pixel with the highest aperture ratio is selected to compensate 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 is that no color cast is seen by human eyes.
Since the aperture ratio of the white sub-pixel is much larger than that 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 to compensate the low aperture ratio of the display panel, and 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 arbitrarily 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 corner 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 corner 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 and perpendicular to the second direction Y is at least partially overlapped with an orthogonal projection of the first hollow 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.
Wherein, along 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 at least partially overlaps an orthographic projection of the first hollow portion R1 on the second plane, 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 disposed opposite to the cut angle includes two sides B3 and B4 disposed opposite to each other along the second direction Y, extension lines of rays formed by the at least one end point of the cut angle 3 along the second direction are located between the two sides B3 and B4 of the first hollow portion R1 disposed opposite to the cut angle, which is equivalent to increasing a distance between the first hollow portion R1 and the first color block a1 along the second direction Y, so as to prevent the color block a11 of the first sub-color block a from spreading into the first hollow portion R1, and the first hollow portion R1 from affecting the transmission of the first light ray, the recognition accuracy of the display panel 200 is improved.
Further, in the second direction Y, the minimum distance d1 between the first hollow-out portion R1 and the cut angle 3 is greater than or equal to 4um, which can be understood as the distance between the side of the first hollow-out portion R1 close to the cut angle 3 and the side of the cut angle 3 close to the first hollow-out portion R1, that is, the distance d1 between the side of the first hollow-out portion R1 close to the cut angle 3 and the side of the cut angle 3 close to the first hollow-out portion R1 is greater than or equal to 4um, and meanwhile, due to the cut angle 3, and the extended line of the ray formed in the second direction at least at one end of the cut angle 3 is located between the two sides B3 and B4 of the first hollow-out portion R1 opposite to the cut angle, which is equivalent to increasing the distance between the first hollow-out portion R1 and the first color block a1 in the second direction Y, which can prevent the color block a11 from spreading to the first hollow-out portion R1, and affects the light ray transmitted by the first hollow-out 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 recognition accuracy of the display panel 200 is improved.
With reference to fig. 3, the display panel 200 of the present embodiment provides a first color resistance a1 with an aperture ratio greater than that of a 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, so that 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, thereby causing a color cast problem. Furthermore, the aperture ratio of the first color resistance a1 is set to be greater than the aperture ratio of the second color resistance a2, and the aperture ratio of the first color resistance a1 is greater than the aperture ratio of the second color resistance a2 to compensate for the color shift 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 pitch R relative to the aperture ratio of the display area of the display panel 200 corresponding to 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 resistor a1 is equal to the length of the second color resistor a2 along the second direction.
It can be understood that, since the length of the first color resists a1 is equal to the length of the second color resists a2, that is, each of the first color resists a1 and the display area of the display panel 200 corresponding to each of the second color resists a2 are the same along the second direction Y, further, since the first color resists a1 include N first sub color resists a11 arranged 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 first space D1 is disposed between adjacent first sub color resists a11, the light shielding layer 12 includes a first hollow portion R1, a front projection of the first hollow portion R1 on the plane of the substrate 11 is located within the first space D1, and the first hollow portion R1 is used for transmitting light. 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 a 8657 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 portions R1 in the first interval D1 between the adjacent first sub color resistors 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 resistors a21 in the second color resistor a2 can be reduced to a certain extent, and the contact area between the second sub color resistor a21 and the substrate 11 can be increased, thereby being beneficial to increase the contact area between the color resistor a21 and the substrate 13, thereby being beneficial to reducing the falling risk of the color resistance layer 13 of the display panel 100 and improving the quality of the display panel 200.
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 which are arranged along the second direction, the second color resistances comprise M second sub-color resistances which extend along the second direction, wherein N is more than or equal to 2, M is more than or equal to 1, N is more than 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 (12)
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 is not less than 1, N 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.
2. The display panel of claim 1, wherein a minimum distance d between the first hollow portion and the first sub color resistor along the second direction is greater than or equal to 4 um.
3. 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.
4. The display panel according to claim 1, wherein M is 1.
5. 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;
along the first direction, the size of the first sub-color resistance in the first sub-pixel is larger than the size of the second sub-color resistance in the second sub-pixel.
6. The display panel according to claim 5, 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.
7. The display panel of claim 6, wherein the first color sub-pixel is the green sub-pixel.
8. 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.
9. The display panel of claim 1, wherein a cut angle is disposed at a side of the first color resistor close to the first space, and a minimum distance d1 between the hollow portion and the cut angle is greater 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.
10. 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.
11. 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.
12. A display device characterized by comprising the display panel according to claims 1 to 11.
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| CN111413823A (en) * | 2019-01-07 | 2020-07-14 | 群创光电股份有限公司 | Electronic device |
| CN110850629A (en) * | 2019-11-29 | 2020-02-28 | 厦门天马微电子有限公司 | Color film substrate, display panel and display device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112987386A (en) * | 2021-03-25 | 2021-06-18 | 京东方科技集团股份有限公司 | Color film substrate and display panel |
| CN113871444A (en) * | 2021-09-26 | 2021-12-31 | 武汉天马微电子有限公司 | Display panel, display device and preparation method of display panel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115407545B (en) | 2024-07-23 |
| CN111999934B (en) | 2022-10-18 |
| CN115407545A (en) | 2022-11-29 |
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