CN111969124A - Display module and electronic equipment - Google Patents
Display module and electronic equipment Download PDFInfo
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- CN111969124A CN111969124A CN202010825623.8A CN202010825623A CN111969124A CN 111969124 A CN111969124 A CN 111969124A CN 202010825623 A CN202010825623 A CN 202010825623A CN 111969124 A CN111969124 A CN 111969124A
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/805—Electrodes
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/126—Shielding, e.g. light-blocking means over the TFTs
Abstract
The application discloses display module assembly and electronic equipment belongs to communication technology field. The display module assembly includes: the pixel structure comprises a first substrate, a light shielding layer and a plurality of pixel units, wherein the pixel units are positioned between the first substrate and the light shielding layer, and each pixel unit comprises: the luminescent layer is positioned between the first electrode layer and the second electrode layer, the first electrode layer is positioned between the first substrate and the luminescent layer, the second electrode layer is provided with a first through hole, the first through hole is opposite to the luminescent layer, and a metal connecting wire is arranged in the first through hole; the metal connecting lines in the first through holes of any two adjacent pixel units are electrically connected; the light shielding layer comprises a light blocking area and a light transmitting area, the light blocking area and the first through hole are arranged in a staggered mode, and the light transmitting area and the first through hole are arranged oppositely. Thus, the display effect of the display module is enhanced.
Description
Technical Field
The application belongs to the technical field of communication, concretely relates to display module assembly and electronic equipment.
Background
Along with the development of electronic technology, the types of display modules are increasing. In an Active-Matrix Organic Light-Emitting Diode (AMOLED) display module, because an electrode layer in the display module reflects Light strongly, the luminance of the display module is low, i.e., the display effect of the display module is poor.
Disclosure of Invention
The embodiment of the application aims to provide a display module and electronic equipment, and the problem that the display effect of the display module is poor can be solved.
In order to solve the technical problem, the present application is implemented as follows:
in a first aspect, an embodiment of the present application provides a display module, including: the pixel structure comprises a first substrate, a light shielding layer and a plurality of pixel units, wherein the pixel units are positioned between the first substrate and the light shielding layer, and each pixel unit comprises: the luminescent layer is positioned between the first electrode layer and the second electrode layer, the first electrode layer is positioned between the first substrate and the luminescent layer, the second electrode layer is provided with a first through hole, the first through hole is opposite to the luminescent layer, and a metal connecting wire is arranged in the first through hole;
the metal connecting lines in the first through holes of any two adjacent pixel units are electrically connected; the light shield layer comprises a light blocking area and a light transmitting area, and the light transmitting area is opposite to the first through hole.
In a second aspect, an embodiment of the present application provides an electronic device, including the above display module.
In this application embodiment, the display module assembly includes: the pixel comprises a substrate, a light shielding layer and a plurality of pixel units, wherein the pixel units are positioned between the first substrate and the light shielding layer, and each pixel unit comprises: the luminescent layer is positioned between the first electrode layer and the second electrode layer, the first electrode layer is positioned between the first substrate and the luminescent layer, the second electrode layer is provided with a first through hole, the first through hole is opposite to the luminescent layer, and a metal connecting wire is arranged in the first through hole; the metal connecting lines in the first through holes of any two adjacent pixel units are electrically connected; the light shield layer comprises a light blocking area and a light transmitting area, and the light transmitting area is opposite to the first through hole. In this embodiment, be provided with first through-hole on the second electrode layer, first through-hole sets up with the luminescent layer relatively to make the light that sends on the luminescent layer can shine out display module assembly from first through-hole, reduced the reflection of second electrode layer to light, thereby strengthened display module assembly's display brightness, strengthened display module assembly's display effect. Simultaneously, owing to be provided with the light shield layer for light can only shine out display module assembly from the light-transmitting area of first through-hole and light shield layer, thereby has further strengthened display module assembly's display brightness.
Drawings
Fig. 1 is a schematic structural diagram of a display module according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of a second electrode layer in a display module according to an embodiment of the present disclosure;
fig. 3 is a second schematic structural diagram of a second electrode layer in a display module according to an embodiment of the present disclosure;
fig. 4 is a second schematic structural diagram of a display module according to an embodiment of the present disclosure;
fig. 5 is a third schematic structural diagram of a display module according to an embodiment of the present disclosure;
fig. 6 is a fourth schematic structural diagram of a display module according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
The following provides embodiments of the present application through specific embodiments and application scenarios thereof with reference to the accompanying drawingsDisplay module And electronic equipmentThe detailed description is given.
Referring to fig. 1, as shown in fig. 1, the display module includes: a first substrate 10, a light-shielding layer 40 and a plurality of pixel units 20, wherein the plurality of pixel units 20 are located between the first substrate 10 and the light-shielding layer 40, and the pixel unit 20 comprises: the light emitting diode comprises a first electrode layer 21, a light emitting layer 22 and a second electrode layer 23, wherein the light emitting layer 22 is positioned between the first electrode layer 21 and the second electrode layer 23, the first electrode layer 21 is positioned between the first substrate 10 and the light emitting layer 22, a first through hole 231 is formed in the second electrode layer 23, the first through hole 231 is opposite to the light emitting layer 22, and a metal connecting wire 232 is arranged in the first through hole 231;
wherein, the metal connection lines 232 in the first through holes 231 of any two adjacent pixel units 20 are electrically connected; the light shielding layer 40 includes a light blocking region 41 and a light transmitting region 42, the light blocking region 41 is disposed to be offset from the first through hole 231, and the light transmitting region 42 is disposed to be opposite to the first through hole 231.
Note that the second electrode layer 23 in the present embodiment may be referred to as a cathode layer, and the first electrode layer 21 may be referred to as an anode layer.
The working principle of the embodiment of the application can be referred to as the following expression:
the display module in this embodiment includes the light shielding layer 40, and the light blocking region 41 of the light shielding layer 40 can block the reflected light on the second electrode layer 23 (the reflected light is the reflected light formed by irradiating a part of the light emitted from the light emitting layer 22 to the position of the second electrode layer 23 where the first through hole 231 is not opened), so as to enhance the contrast of the display module and enhance the display effect of the display module, and therefore, the light shielding layer 40 in this embodiment can replace the function of a polarizer, that is, the display module in this embodiment does not need to be provided with a polarizer, thereby reducing the thickness of the whole display module; meanwhile, the second electrode layer 23 is provided with the first through hole 231, the light shielding layer 40 further includes the light transmitting area 42, and the light transmitting area 42 is opposite to the first through hole 231, so that part of light emitted from the light emitting layer 22 can irradiate the display module from the first through hole 231 and the light transmitting area 42 in sequence, thereby enhancing the display brightness of the display module and enhancing the display effect of the display module.
A first functional layer may be further disposed between the second electrode layer 23 and the light-emitting layer 22, wherein the first functional layer may include at least some structural layers of an electron injection layer, an electron transport layer, and a hole blocking layer; and a second functional layer may be further disposed between the light emitting layer 22 and the first substrate 10, and the second functional layer may include: at least part of the structural layers such as the electron blocking layer, the hole transport layer, the hole injection layer and the anode layer are sequentially stacked.
As an optional embodiment, the first through hole 231 is adapted to the shape of the light emitting layer 22. In this way, compared with the way that the shape of the first through hole 231 is not matched with that of the light emitting layer 22, the phenomenon that the light emitted by the light emitting layer 22 irradiates the second electrode layer 23 can be reduced, so that the light emitted by the light emitting layer 22 can be more convenient when passing through the first through hole 231 and the light transmitting area 42, and the brightness of the display module is further enhanced.
In addition, as an alternative embodiment, the number of the corresponding first through holes 231 may be 1 for each pixel unit, and at this time, the size of the 1 first through hole 231 is adapted to the size of the light emitting layer 22, that is, the size of the first through hole is the same as the size of the light emitting layer, or slightly larger than the size of the light emitting layer, or slightly smaller than the size of the light emitting layer; of course, as another alternative embodiment, referring to fig. 4 and 5, the number of the first through holes 231 may also be at least 2 for each pixel unit, and in this case, the sum of the sizes of the at least 2 first through holes 231 is adapted to the size of the light emitting layer 22.
It should be noted that the display module may include a plurality of pixel units 20, and each pixel unit 20 may include a first electrode layer 21, a light-emitting layer 22, and a second electrode layer 23, and the colors of the light emitted by the plurality of pixel units 20 are at least partially different, for example: the colors of the light emitted by the pixel units 20 may include three colors, namely red, green and blue, and the colors of the light emitted by the adjacent pixel units 20 may be different, so that the display module emits different colors through the controlled pixel units 20, thereby displaying various colors on the display module.
In addition, the first electrode layers 21 included in any two adjacent pixel units 20 may be connected, that is, the first electrode layers 21 included in the plurality of pixel units 20 may be an integrally molded structure; similarly, the second electrode layers 23 included in any two adjacent pixel units 20 may be connected, that is, the second electrode layers 23 included in the plurality of pixel units 20 may be an integrally molded structure; in addition, the light emitting layers 22 included in any adjacent two pixel units 20 may not be connected, and the color emitted by the pixel unit 20 is generally the color of the emitted light of the light emitting layer 22; of course, a filter may be disposed in the display module, so that the positions corresponding to different pixel units 20 can be controlled to display different colors through the filter.
Among them, the pixel unit 20 may also be referred to as a display pixel electrode, and a plurality of pixel units 20 may be electrically connected to each other; of course, the plurality of pixel units 20 may include: red display pixels, green display pixels, and blue display pixels. The pixel units 20 can be combined with each other, so that the display module can display various colors.
Referring to fig. 3, the metal connection lines 232 are disposed in the first through holes 231, and the metal connection lines 232 in any two adjacent first through holes 231 are electrically connected, so that the plurality of first through holes 231 can be connected into a whole through the metal connection lines 232, and the plurality of first through holes 231 can be electrically conducted, thereby not affecting the normal implementation of the function of the second electrode layer 23, and simultaneously enhancing the transmittance of light on the second electrode layer 23.
The specific type of the metal connection line 232 is not limited herein, and as an alternative embodiment, the metal connection line 232 may be an arc connection.
As another alternative, referring to fig. 3, the metal connection lines 232 are grid-shaped connection lines.
Wherein, when metal connecting line 232 is latticed connecting line, the line width and the line distance of net can be adjusted according to actual need to satisfy the requirement in aspects such as electric property, light transmittance, display module's display brightness and whole outward appearance.
The metal connecting lines 232 in any two adjacent first through holes 231 are electrically connected, so that the metal connecting lines 232 in all the first through holes 231 are connected into a whole, and the conductivity of the metal connecting lines 232 is enhanced.
In the embodiment of the application, because the metal connecting lines 232 are latticed connecting lines, the area of the connecting lines is increased to a certain extent, and the connecting strength of the connecting lines is enhanced, so that the conductive effect is enhanced, and meanwhile, the influence on the transmission performance of light is small.
That is to say: owing to set up light shield layer 40 in this embodiment, and metal connecting wire 232 is latticed connecting wire to reduction second electrode layer 23 that can furthest has promoted display module's display brightness and contrast to the reflection effect of light, has reduced display module's consumption. Meanwhile, the light shielding layer 40 can replace a polarizer, so that the polarizer can be eliminated, the thickness of the display module is reduced, the polarizer attaching process of the display module in the processing step is eliminated, the module manufacturing process is simplified, and the use cost is reduced.
As an optional implementation manner, the display module further includes a second substrate 30 and a light-transmitting cover plate 50, the second substrate 30 is disposed toward a first surface of the second electrode layer 23, and the second substrate 30 is located between the light-transmitting cover plate 50 and the first surface, where the first surface is a surface of the second electrode layer 23 facing away from the light-emitting layer 22. In this way, since the display module further includes the second substrate 30 and the light-transmitting cover plate 50, the pixel unit 20 can be protected.
The second substrate 30 and the first substrate 10 may be glass plates, and the transparent cover plate 50 may also be a glass plate, so that the use cost is reduced, and the light transmittance of the second substrate 30, the first substrate 10, and the transparent cover plate 50 can be enhanced.
The first substrate 10 may be referred to as a lower glass layer, and the lower glass layer may be made of Low Temperature Poly-Silicon (LTPS). And the second substrate 30 may be referred to as an upper glass layer, which may also be referred to as an ENCAP glass layer.
Note that, the position of the light shielding layer 40 is not limited herein, and for example: as an optional embodiment, the light shielding layer 40 is located between the second substrate 30 and the light-transmitting cover plate 50, or as another optional embodiment, the light shielding layer 40 is located between the second substrate 30 and the first surface. Thus, the position of the light shielding layer 40 is flexible, and the diversity of the position of the light shielding layer 40 and the flexibility of assembly are enhanced.
For example: in the case that the light shielding layer 40 is located between the first surface of the second electrode layer 23 and the second substrate 30, as an alternative embodiment, the second electrode layer 23 and the light shielding layer 40 may abut against each other, and as another alternative embodiment, referring to fig. 1, a gap 60 may be provided between the second electrode layer 23 and the light shielding layer 40. The two embodiments described above are not particularly limited.
The light-shielding layer 40 may be a black light-shielding layer, and the specific manufacturing steps may be as follows: a photoresist layer is coated on the second electrode layer 23, and then at least a part of the processes of exposure, etching, development and the like are performed on the photoresist layer, so that the light shielding layer 40 including the light blocking region 41 and the light transmitting region 42 is obtained, and the second electrode layer 23 is abutted against the light shielding layer 40.
The light-shielding layer 40 may be made of organic materials such as perfluorooctyl methacrylate or decyl methacrylate, or black dye or other materials capable of achieving a black light-shielding effect may be added to the organic materials, so as to enhance the light-shielding effect of the light-shielding layer 40. Of course, the black dye may be added only to the light blocking region 41, and need not be added to the light transmitting region 42. In addition, the thickness of the light shielding layer 40 may be in the order of micrometers. The light-shielding layer 40 may be a black ink layer or a black plating layer.
In an alternative embodiment, the light-transmitting region 42 is made of a light-transmitting material. Of course, the light blocking region 41 may be made of a light-transmitting material, or may be made of a light-opaque material. However, in the case where the light blocking region 41 is made of a light transmitting material, a material having a light blocking effect, such as black dye, may be added to the light transmitting material, so that the resulting light blocking region 41 may also have a light blocking effect.
The light-transmitting material may include glass or ceramic.
It should be noted that, when the light-transmitting region 42 is made of a light-transmitting material, only the photoresist layer in the above embodiment may be exposed and developed.
In this embodiment, since the light-transmitting region 42 is made of a light-transmitting material, it is not necessary to form a through hole in the light-shielding layer 40, so that the structural integrity of the light-shielding layer 40 can be ensured.
As another alternative, a second through hole is formed in the light-transmitting region 42.
The second through hole may communicate with the first through hole 231, and of course, the second through hole is at least partially disposed opposite to the first through hole 231.
It should be noted that, when the second through hole is formed in the light-transmitting area 42, the photoresist layer in the above embodiment needs to be exposed, developed and etched, and the second through hole can be formed in the light-transmitting area 42 by the above etching process.
In the embodiment of the application, because the second through hole is opened in the light-transmitting area 42, like this, light can loop through first through hole 231 and second through hole to strengthen the light transmissivity of display module assembly, reduced the quantity of the light that is reflected by second electrode layer 23 promptly, increased the quantity of the light that throws out display module assembly, thereby strengthened display module assembly's display brightness.
As an alternative embodiment, the shape of the second through hole is matched with the shape of the first through hole 231. Like this, reduced the reflection effect of the junction of the inner wall of second through-hole and the inner wall of first through-hole 231 to light for light is better at the effect of passing through that loops through second through-hole and first through-hole 231.
As an alternative embodiment, referring to fig. 4, the light shielding layer 40 is disposed to be attached to a second surface of the second substrate 30, where the second surface is a surface of the second substrate 30 facing the first surface.
As another alternative, referring to fig. 5, the light shielding layer 40 is disposed to be attached to a third surface of the second substrate 30, where the third surface is a surface of the second substrate 30 that faces away from the first surface.
As another alternative, referring to fig. 6, the light shielding layer 40 is disposed to be attached to a fourth surface of the light-transmitting cover plate 50, where the fourth surface is a surface of the light-transmitting cover plate 50 facing the second substrate 30.
Of course, the position of the light-shielding layer 40 is not limited to the above three types, which are only one exemplary expression. Thus, since the position of the light shielding layer 40 is flexible, the diversity of the position of the light shielding layer 40 and the flexibility of assembly are enhanced.
In the above embodiments, the light-shielding layer 40 may be fixedly connected to the corresponding structure by a light-transmitting adhesive layer, for example: the light shielding layer 40 is fixedly connected to the second surface, the third surface or the fourth surface of the light-transmitting cover plate 50 of the second substrate 30 through a light-transmitting adhesive layer. In this way, the connection strength between the light shielding layer 40 and the corresponding structure can be further enhanced, and the connection strength of the entire display module can be further enhanced.
As an optional implementation manner, the light-transmitting adhesive layer may be made of optically clear adhesive (OCA/OCR), so that the use cost may be reduced, and the adhesive effect may be better.
Optionally, an embodiment of the present application further provides an electronic device, including the display module in the foregoing embodiment, and since the electronic device in the embodiment of the present application includes the display module in the foregoing embodiment, the electronic device has the same beneficial technical effects as the display module in the foregoing embodiment. The specific structure of the display module can refer to the corresponding expressions in the above embodiments, and details are not repeated herein.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A display module, comprising: a first substrate (10), a light-shielding layer (40), and a plurality of pixel cells (20), the plurality of pixel cells (20) being located between the first substrate (10) and the light-shielding layer (40), the pixel cells (20) comprising: the light-emitting diode comprises a first electrode layer (21), a light-emitting layer (22) and a second electrode layer (23), wherein the light-emitting layer (22) is positioned between the first electrode layer (21) and the second electrode layer (23), the first electrode layer (21) is positioned between a first substrate (10) and the light-emitting layer (22), a first through hole (231) is formed in the second electrode layer (23), the first through hole (231) and the light-emitting layer (22) are oppositely arranged, and a metal connecting line (232) is arranged in the first through hole (231);
wherein the metal connecting lines (232) in the first through holes (231) of any two adjacent pixel units (20) are electrically connected; the light shielding layer (40) comprises a light blocking area (41) and a light transmitting area (42), and the light transmitting area (42) is arranged opposite to the first through hole (231).
2. The display module according to claim 1, wherein the metal connecting lines (232) are grid-shaped connecting lines.
3. A display module according to claim 1, further comprising a second substrate (30) and a light-transmissive cover plate (50), the second substrate (30) being arranged towards a first surface of the second electrode layer (23), and the second substrate (30) being located between the light-transmissive cover plate (50) and the second electrode layer (23), the first surface being a surface of the second electrode layer (23) facing away from the light-emitting layer (22);
wherein the light-shielding layer (40) is located between the second substrate (30) and the light-transmissive cover plate (50), or the light-shielding layer (40) is located between the second substrate (30) and the second electrode layer (23).
4. A display module according to claim 3, wherein the light-shielding layer (40) is disposed adjacent to a second surface of the second substrate (30), the second surface being a surface of the second substrate (30) facing the first surface.
5. The display module according to claim 3, wherein the light shielding layer (40) is disposed to conform to a third surface of the second substrate (30), the third surface being opposite to the second surface.
6. A display module according to claim 3, wherein the light-shielding layer (40) is disposed to be attached to a fourth surface of the light-transmissive cover plate (50), and the fourth surface is a surface of the light-transmissive cover plate (50) facing the second substrate (30).
7. The display module according to claim 1, wherein the light transmissive region (42) is made of a light transmissive material.
8. The display module according to claim 1, wherein the light-transmissive region (42) has a second through hole formed therein.
9. A display module according to claim 8, wherein the shape of the second through hole is adapted to the shape of the first through hole (231).
10. An electronic device, comprising the display module according to any one of claims 1 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010825623.8A CN111969124B (en) | 2020-08-17 | 2020-08-17 | Display module and electronic equipment |
| PCT/CN2021/112188 WO2022037466A1 (en) | 2020-08-17 | 2021-08-12 | Display module and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010825623.8A CN111969124B (en) | 2020-08-17 | 2020-08-17 | Display module and electronic equipment |
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| CN111969124A true CN111969124A (en) | 2020-11-20 |
| CN111969124B CN111969124B (en) | 2023-05-19 |
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| CN202010825623.8A Active CN111969124B (en) | 2020-08-17 | 2020-08-17 | Display module and electronic equipment |
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| CN (1) | CN111969124B (en) |
| WO (1) | WO2022037466A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022037466A1 (en) * | 2020-08-17 | 2022-02-24 | 维沃移动通信有限公司 | Display module and electronic device |
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| CN110797379A (en) * | 2019-10-29 | 2020-02-14 | 维沃移动通信有限公司 | Display substrate, display device and manufacturing method of display substrate |
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| JP4202030B2 (en) * | 2001-02-20 | 2008-12-24 | シャープ株式会社 | Display device |
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| CN109584714B (en) * | 2018-11-30 | 2021-04-16 | Oppo广东移动通信有限公司 | Display screen and electronic equipment |
| CN111969124B (en) * | 2020-08-17 | 2023-05-19 | 维沃移动通信有限公司 | Display module and electronic equipment |
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| CN107689384A (en) * | 2016-08-05 | 2018-02-13 | 上海箩箕技术有限公司 | Display module |
| CN110972506A (en) * | 2019-01-04 | 2020-04-07 | 京东方科技集团股份有限公司 | Display panel and operation method thereof |
| CN110085762A (en) * | 2019-04-15 | 2019-08-02 | 昆山工研院新型平板显示技术中心有限公司 | OLED display panel and display device |
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| WO2022037466A1 (en) * | 2020-08-17 | 2022-02-24 | 维沃移动通信有限公司 | Display module and electronic device |
Also Published As
| Publication number | Publication date |
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| CN111969124B (en) | 2023-05-19 |
| WO2022037466A1 (en) | 2022-02-24 |
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