CN212675316U - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN212675316U CN212675316U CN202020877972.XU CN202020877972U CN212675316U CN 212675316 U CN212675316 U CN 212675316U CN 202020877972 U CN202020877972 U CN 202020877972U CN 212675316 U CN212675316 U CN 212675316U
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Abstract
The utility model discloses a display panel and display device, wherein display panel includes first base plate and the relative second base plate that sets up with it, first base plate includes: the first surface of the first substrate faces one side of the second substrate, a plurality of groups of light filtering parts are arranged on the first surface of the first substrate, light blocking parts are arranged between the adjacent light filtering parts, each light blocking part comprises a light shielding layer, the light shielding layer is arranged on the first surface of the first substrate, a colored blocking layer is arranged on one side, away from the first substrate, of the light shielding layer, and a light blocking layer is arranged on one side, away from the light shielding layer, of the colored blocking layer; the second substrate comprises a plurality of pixel units, and the pixel units are arranged towards the first surface of the first substrate; according to the display panel, the color resistance layer is additionally arranged between the light shielding layer and the light blocking layer, so that the distance between the light blocking layer and the second substrate is reduced, the light blocking efficiency of the light blocking part is improved, and color crosstalk is reduced.
Description
Technical Field
The utility model relates to a show technical field, in particular to display panel and display device.
Background
Quantum Dots (QD) are made of zinc, cadmium, selenium and sulfur atoms, are nano materials with crystal diameters of 2-10 nanometers, have unique photoelectric characteristics, and can emit pure monochromatic light with various colors according to the diameters of the Quantum Dots after being stimulated by photoelectricity, so that the color of light source light can be changed. The quantum dots can be applied to Light Emitting Diodes (LEDs) in a backlight module of a Liquid Crystal Display (LCD) television, Organic Light-Emitting diodes (OLEDs), micro-LED or mini-LED Display devices. However, the micro-led (Light Emitting Diode) or mini-led display device using the quantum dots has a disadvantage that color crosstalk between adjacent quantum dots is easily generated, so that the color crosstalk phenomenon of the quantum dot display panel is serious, and the display quality is affected.
SUMMERY OF THE UTILITY MODEL
In order to solve the serious problem of the current display panel color mixing of using quantum dot, the utility model provides a can effectively prevent display panel and display device of color mixing.
In order to achieve the above object, an aspect of the present invention provides a display panel, including a first substrate and a second substrate disposed opposite to the first substrate, the first substrate including: the first surface of the first substrate faces one side of the second substrate, a plurality of groups of light filtering parts are arranged on the first surface of the first substrate, light blocking parts are arranged between the adjacent light filtering parts, each light blocking part comprises a light shielding layer, the light shielding layer is arranged on the first surface of the first substrate, a colored blocking layer is arranged on one side, away from the first substrate, of the light shielding layer, and a light blocking layer is arranged on one side, away from the light shielding layer, of the colored blocking layer; the second substrate includes a plurality of pixel units disposed toward the first surface of the first substrate. By adding the color resistance layer between the light shielding layer and the light blocking layer, the distance between the light blocking layer and the second substrate is reduced, the light blocking efficiency of the light blocking part is improved, and color crosstalk is reduced.
In the foregoing technical solution, optionally, the filter portion includes a color filter unit, the color filter unit is disposed on the first surface of the first substrate, and a light conversion layer is disposed on a side of the color filter unit away from the first substrate.
Optionally, the color-resisting layer at least includes one of the following: red color resist layer, blue color resist layer, green color resist layer.
On the basis of the technical scheme, the color filter unit comprises a red filter, a green filter or a blue filter; the light conversion layer includes a red light conversion layer, a green light conversion layer, or a blue light conversion layer.
Optionally, one side of the red filter is provided with the red light conversion layer; the green light conversion layer is arranged on one side of the green light filter; one side of the blue light filter is provided with the blue light conversion layer.
Optionally, the green color resistance layer is disposed on the light shielding layer between the red filter and the blue filter; the blue color resistance layer is arranged on the light shielding layer between the red light filter and the green light filter; or the red color resistance layer is arranged on the light shielding layer between the green filter and the blue filter.
In the foregoing technical solution, optionally, the pixel unit includes a driving array disposed on the second substrate; and a light emitting element disposed over the drive array, the light emitting element being electrically connected to the drive array.
In addition, an orthographic projection of the light-filtering portion on the second substrate is overlapped with an orthographic projection of the light-emitting element on the second substrate.
On the other hand, the utility model discloses still a display device, including above-mentioned display panel; and a driving circuit connected with the display panel.
The utility model provides a display panel includes first base plate and the relative second base plate that sets up with it, first base plate includes: the first surface of the first substrate faces one side of the second substrate, a plurality of groups of light filtering parts are arranged on the first surface of the first substrate, light blocking parts are arranged between the adjacent light filtering parts, each light blocking part comprises a light shielding layer, the light shielding layer is arranged on the first surface of the first substrate, a colored blocking layer is arranged on one side, away from the first substrate, of the light shielding layer, and a light blocking layer is arranged on one side, away from the light shielding layer, of the colored blocking layer; the second substrate comprises a plurality of pixel units, and the pixel units are arranged towards the first surface of the first substrate; therefore, the utility model provides a display panel has reduced the distance of the layer of being in the light apart from the second base plate through at the light shield layer with increase the colour barrier layer between the layer of being in the light, has improved the efficiency of being in the light of the portion of being in the light to the color crosstalk has been reduced.
Drawings
FIG. 1 is a block diagram of a display panel in one embodiment;
FIG. 2 is a structural view of a display panel in another embodiment;
in the figure: 10-a first substrate; 20-a second substrate; 31-a red filter; 32-green filter; 33-a blue filter; 41-red conversion layer; 42-green conversion layer; a 43-blue conversion layer; 50-a light-shielding layer; 61. 62, 63-color filters; 601-red filter; 602-green filter; 603-a blue filter; 70-light-blocking layer; 80-light emitting element.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As used in this application and the appended claims, the terms "a," "an," "the," and/or "the" are not intended to be inclusive in the singular, but rather are intended to be inclusive in the plural unless the context clearly dictates otherwise. In general, the terms "comprises" and "comprising" merely indicate that steps and elements are included which are explicitly identified, that the steps and elements do not form an exclusive list, and that a method or apparatus may include other steps or elements. 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 application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. 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.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited. Further, although the terms used in the present application are selected from publicly known and used terms, some of the terms mentioned in the specification of the present application may be selected by the applicant at his or her discretion, the detailed meanings of which are described in relevant parts of the description herein. Further, it is required that the present application is understood not only by the actual terms used but also by the meaning of each term lying within.
The present invention provides a display panel, as shown in fig. 1, the display panel includes a first substrate 10 and a second substrate 20 opposite to the first substrate, the first substrate 10 can be a color film substrate, the second substrate 20 includes a display back plate having a driving array, the driving array is electrically connected to a light emitting element, a plurality of sets of light filtering portions are disposed on a surface of the first substrate 10 facing to the second substrate 20, gaps are disposed between adjacent light filtering portions, in this embodiment, three sets of light filtering portions are taken as an example for explanation, in this embodiment, the light filtering portion includes a color filter, the three sets of color filters are specifically a red color filter 31, a green color filter 32 and a blue color filter 33, a light conversion layer having a corresponding color is disposed on one side of each color filter away from the first substrate 10, the light conversion layer is made of quantum dots, the quantum dots are an important low-dimensional semiconductor material, the dimensions in all three dimensions are no greater than twice the exciton bohr radius of its corresponding semiconductor material. Quantum dots are generally spherical or spheroidal, often with diameters between 2-20 nm. Common quantum dots are composed of IV, II-VI, IV-VI or III-V elements. Specific examples are silicon quantum dots, germanium quantum dots, cadmium sulfide quantum dots, cadmium selenide quantum dots, cadmium telluride quantum dots, zinc selenide quantum dots, lead sulfide quantum dots, lead selenide quantum dots, indium phosphide quantum dots, indium arsenide quantum dots, and the like. Quantum dots are nano-scale semiconductors that emit light of a specific frequency by applying a certain electric field or light pressure to the nano-semiconductor material, and the frequency of the emitted light varies with the size of the semiconductor, so that the color of the emitted light can be controlled by adjusting the size of the nano-semiconductor, which is called quantum dots because the nano-semiconductor has a property of confining electrons and Electron holes (Electron holes), which is similar to atoms or molecules in the natural world.
It is understood that small quantum dots, such as colloidal semiconductor nanocrystals, can be as small as only 2 to 10 nanometers, which corresponds to a size of 10 to 50 atoms in diameter, and can contain 100 to 100,000 such atoms in a quantum dot volume. Typical dimensions for self-assembled quantum dots are between 10 and 50 nanometers. The lateral size of the quantum dots formed by lithographically patterned gate electrodes or etching of two-dimensional electron gas in semiconductor heterojunctions can exceed 100 nanometers. Three million quantum dots with the size of 10 nanometers are arranged end to reach the width of a human thumb.
In some embodiments, the color of the converted light of the light conversion layer corresponding to each color filter is the same, and the colors of two adjacent color filters are different, and specifically, the red color filter 31 is provided with a red light conversion layer 41 on the side away from the first substrate 10, the red light conversion layer 41 is a red light conversion layer, the green color filter 32 is provided with a green light conversion layer 42 on the side away from the first substrate 10, the green light conversion layer 42 is a green light conversion layer, the blue color filter 33 is provided with a blue light conversion layer 43 on the side away from the first substrate 10, and the blue light conversion layer 43 is a blue light conversion layer.
In some embodiments, a light blocking portion is disposed in a gap between two adjacent sets of light filtering portions, as shown in fig. 1, the light blocking portion includes a light shielding layer 50, the light shielding layer 50 is a black matrix, the light shielding layer 50 is disposed on a surface of the first substrate facing the second substrate 20, a color blocking layer is disposed on a side of the light shielding layer 50 away from the first substrate 10, the color blocking layer may be a color filter, that is, the red color blocking layer may be a red color filter, the green color blocking layer may be a green color filter, and the blue color blocking layer may be a blue color filter. The light blocking layer 70 is disposed on a side of the color blocking layer away from the light shielding layer 50, the light blocking layer 70 is made of a high-reflection or high-absorption material (Bank), the main chemical component of the light blocking layer may be titanium dioxide (TiO2) or carbon (C), and the color of the color filter forming the color blocking layer is different from the color of the color filter in the adjacent light filtering portion, for example, in the present embodiment, the color filter 61 included in the light blocking portion between the red color filter 31 and the adjacent green color filter 32 in the light filtering portion is blue; the color filter 62 included in the light blocking portion between the green filter 32 and the adjacent blue filter 33 in the filter portion is red; the color filter 63 included in the light blocking portion between the blue filter 31 and the adjacent red filter (not shown) in the filter portion is green.
It can be understood, the utility model discloses a colour grouping layer has reduced the distance of the layer of being in the light apart from the second base plate through the effect of piling up of single look resistance, the efficiency of being in the light of the portion of being in the light has been improved, thereby cross color between the adjacent pixel unit has been reduced, the film thickness of the colored light filter that corresponds when the portion of being in the light can be the same with the regional membrane thickness of pixel, each color of the portion of being in the light hinders layer and can form simultaneously with each colored light filtering unit of light filtering part, so, need not increase extra light shield technology, reduced the cross color when having reduced manufacturing cost, have very big improvement.
In some embodiments, the orthographic projection of the optical filter portion on the second substrate 20 overlaps with the orthographic projection of the light emitting element 80 on the second substrate 20.
It is understood that, in some embodiments, the light emitting elements 80 may be all blue light emitting diodes, or a combination of blue light emitting diodes and red light emitting diodes or green light emitting diodes, respectively, and are not limited herein. When the light emitting elements 80 are all blue light emitting diodes, each blue light emitting diode corresponds to a light filtering portion, in some embodiments, three consecutive adjacent light filtering portions corresponding to three consecutive adjacent blue light emitting diodes are different, such as the light filtering portion corresponding to the first blue light emitting diode includes a red light filter and a red light conversion layer, the light filtering portion corresponding to the second blue light emitting diode includes a green light filtering portion and a green light conversion layer, and the light filtering portion corresponding to the third blue light emitting diode includes a blue light filtering portion and a blue light conversion layer.
In some embodiments, the light emitting element 80 is a blue light emitting diode, and in order to improve the anti-cross color capability of the display panel, the color resistance layer may be modified, as shown in fig. 2, and includes a red filter 601, a green filter 602, and a blue filter 603 stacked together; in the present embodiment, the color filters of three colors are stacked to form the color barrier layer, and the color filter near the light emitting element is the color filter with the same color as the light emitting element, so that the height of the light blocking portion is increased, the distance between the light blocking layer and the second substrate is reduced, the color of the color barrier layer is not required to be distinguished, and the color and the structure of the color barrier layer in each light blocking portion are the same, which can also play a role of color barrier and reduce cross color.
In some embodiments, the light emitting element 80 comprises a red light emitting diode, and then in order to improve the anti-cross color capability of the display panel, a color resistance layer may be modified, wherein the color resistance layer comprises a red filter 601, a green filter 602 and a blue filter 603 which are stacked together; in the present embodiment, the color filters of three colors are stacked to form the color barrier layer, and the color filter near the light emitting element is the color filter with the same color as the light emitting element, so that the height of the light blocking portion is increased, the distance between the light blocking layer and the second substrate is reduced, the color of the color barrier layer is not required to be distinguished, and the color and the structure of the color barrier layer in each light blocking portion are the same, which can also play a role of color barrier and reduce cross color.
In some embodiments, the light emitting element 80 comprises a green light emitting diode, and then in order to improve the anti-cross color capability of the display panel, a color resistance layer may be modified, the color resistance layer comprises a red filter 601, a green filter 602 and a blue filter 603 which are stacked together; in the present embodiment, the color blocking layers are formed by stacking the color filters of three colors, and the color filter near the light emitting element is the color filter with the same color as the light emitting element, so that the height of the light blocking portion is increased, the distance between the light blocking layer and the second substrate is reduced, the color of the color blocking layer does not need to be distinguished, and the color and the structure of the color blocking layer in each light blocking portion are the same, which can also play a role of color blocking and reduce cross color.
In addition, the utility model also provides a display device, this display device includes the arbitrary display panel that above-mentioned display panel embodiment described. The display panel may be a micro-led display panel, a mini-led display panel, or an OLED display panel, and the specific type of the display panel is not limited herein. The display device can be applied to a mobile phone screen, a computer screen, a television screen, electronic paper, an electronic picture screen, an instrument panel or other types of electronic devices. Since the display device has any one of the display panels described in the above display panel embodiments, the same advantages are achieved, and the details of the disclosure are not repeated herein.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (9)
1. A display panel, characterized in that: including first base plate and relative second base plate that sets up with it, first base plate includes:
the first surface of the first substrate faces one side of the second substrate, a plurality of groups of light filtering parts are arranged on the first surface of the first substrate, light blocking parts are arranged between the adjacent light filtering parts, each light blocking part comprises a light shielding layer, the light shielding layer is arranged on the first surface of the first substrate, a colored blocking layer is arranged on one side, away from the first substrate, of the light shielding layer, and a light blocking layer is arranged on one side, away from the light shielding layer, of the colored blocking layer;
the second substrate includes a plurality of pixel units disposed toward the first surface of the first substrate.
2. The display panel according to claim 1, characterized in that: the light filtering part comprises a color light filtering unit, the color light filtering unit is arranged on the first surface of the first substrate, and a light conversion layer is arranged on one side, far away from the first substrate, of the color light filtering unit.
3. The display panel according to claim 2, characterized in that: the color resistance layer at least comprises one of the following components: red color resist layer, blue color resist layer, green color resist layer.
4. The display panel according to claim 3, wherein: the color filter unit comprises a red filter, a green filter or a blue filter;
the light conversion layer includes a red light conversion layer, a green light conversion layer, or a blue light conversion layer.
5. The display panel according to claim 4, wherein: the red light conversion layer is arranged on one side of the red light filter;
the green light conversion layer is arranged on one side of the green light filter; and
one side of the blue light filter is provided with the blue light conversion layer.
6. The display panel according to claim 5, wherein the green color resist layer is provided over the light-shielding layer between the red filter and the blue filter;
the blue color resistance layer is arranged on the light shielding layer between the red light filter and the green light filter; or
The red color resistance layer is arranged on the light shielding layer between the green light filter and the blue light filter.
7. The display panel of claim 1, wherein the pixel unit comprises a driving array disposed over the second substrate; and
a light emitting element disposed over the drive array, the light emitting element being electrically connected to the drive array.
8. The display panel according to claim 7, wherein an orthographic projection of the light filter portion on the second substrate overlaps with an orthographic projection of the light emitting element on the second substrate.
9. A display device, comprising:
the display panel according to any one of claims 1 to 8; and
and the driving circuit is connected with the display panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020877972.XU CN212675316U (en) | 2020-05-22 | 2020-05-22 | Display panel and display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020877972.XU CN212675316U (en) | 2020-05-22 | 2020-05-22 | Display panel and display device |
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| CN212675316U true CN212675316U (en) | 2021-03-09 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113178513A (en) * | 2021-04-29 | 2021-07-27 | 上海天马微电子有限公司 | Light-emitting device, display panel and display device |
| CN113658518A (en) * | 2021-08-24 | 2021-11-16 | 京东方科技集团股份有限公司 | Display panel, preparation method thereof and display device |
| CN113921578A (en) * | 2021-09-30 | 2022-01-11 | 湖北长江新型显示产业创新中心有限公司 | Display panel and display device |
| CN114170922A (en) * | 2021-12-08 | 2022-03-11 | Tcl华星光电技术有限公司 | Display panel and method for manufacturing the same |
-
2020
- 2020-05-22 CN CN202020877972.XU patent/CN212675316U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113178513A (en) * | 2021-04-29 | 2021-07-27 | 上海天马微电子有限公司 | Light-emitting device, display panel and display device |
| CN113178513B (en) * | 2021-04-29 | 2023-01-03 | 上海天马微电子有限公司 | Light-emitting device, display panel and display device |
| CN113658518A (en) * | 2021-08-24 | 2021-11-16 | 京东方科技集团股份有限公司 | Display panel, preparation method thereof and display device |
| CN113921578A (en) * | 2021-09-30 | 2022-01-11 | 湖北长江新型显示产业创新中心有限公司 | Display panel and display device |
| CN114170922A (en) * | 2021-12-08 | 2022-03-11 | Tcl华星光电技术有限公司 | Display panel and method for manufacturing the same |
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