CN111326557A - Display module and electronic equipment - Google Patents
Display module and electronic equipment Download PDFInfo
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- CN111326557A CN111326557A CN202010126334.9A CN202010126334A CN111326557A CN 111326557 A CN111326557 A CN 111326557A CN 202010126334 A CN202010126334 A CN 202010126334A CN 111326557 A CN111326557 A CN 111326557A
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- layer
- light
- display module
- assembly
- insulating layer
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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
- H10K59/40—OLEDs integrated with touch screens
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
Abstract
The invention discloses a display module and electronic equipment, wherein the display module is provided with a light-transmitting area and comprises a substrate, a touch layer assembly, a dielectric layer assembly, a thin film transistor, an anode layer, a cathode layer and an organic light-emitting layer, wherein the dielectric layer assembly, the thin film transistor, the anode layer, the cathode layer and the organic light-emitting layer are arranged on the substrate; the touch layer assembly is provided with a first light hole, and at least one part of the first light hole is located in the light transmission area. The touch layer assembly is provided with a first light hole corresponding to at least one part of the light transmission area, and the light transmittance of the first light hole is higher, so that the light transmittance of the whole light transmission area is improved, and the working performance of the optical device is improved.
Description
Technical Field
The embodiment of the invention relates to the technical field of display, in particular to a display module and electronic equipment.
Background
With the rapid development of electronic devices, the electronic devices are more and more widely used, and the electronic devices such as mobile phones and tablet computers play more and more roles in the work, life, entertainment and the like of people. Electronic equipment is provided with optical devices such as camera, fingerprint identification module usually, accounts for than in order to promote electronic equipment's screen, can arrange these optical devices in display module's below for these optical devices no longer occupy screen space.
In order to enable the optical device to normally work under the display module, the hole needs to be dug on the portion, corresponding to the optical device, of the display module, so that a light-transmitting area is formed to meet the working requirement of the optical device. However, the light transmittance of the light-transmitting region is low, resulting in poor operation performance of the optical device.
Disclosure of Invention
The embodiment of the invention discloses a display module and electronic equipment, and aims to solve the problem of poor working performance of an optical device.
In order to solve the technical problem, the invention is realized as follows: in a first aspect, an embodiment of the present invention provides a display module, where the display module has a light-transmitting area, and the display module includes a substrate, a touch layer assembly, and a dielectric layer assembly, a thin film transistor, an anode layer, a cathode layer, and an organic light-emitting layer that are disposed on the substrate, where the thin film transistor is connected to the anode layer, the organic light-emitting layer is located between the anode layer and the cathode layer, and the touch layer assembly is disposed on a side of the cathode layer away from the organic light-emitting layer;
the touch layer assembly is provided with a first light hole, and at least one part of the first light hole is located in the light transmission area.
In a second aspect, an embodiment of the present invention provides an electronic device, which includes the display module described above, and further includes an optical device, where the optical device is disposed on a side of the substrate away from the organic light emitting layer, and the light transmissive region is disposed opposite to the optical device.
In the embodiment of the invention, the touch layer assembly is provided with the first light hole, at least one part of the first light hole is positioned in the light-transmitting area of the display module, that is, the touch layer assembly is provided with the first light hole corresponding to at least one part of the light-transmitting area, and the light transmittance at the first light hole is higher, so that the light transmittance of the whole light-transmitting area is improved, and the working performance of the optical device is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments or the background art of the present invention, the drawings used in the description of the embodiments or the background art will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without any inventive exercise.
Fig. 1 is a schematic partial structure diagram of a display module according to an embodiment of the disclosure;
fig. 2 is a schematic partial structure diagram of a display module according to another embodiment of the disclosure.
Description of reference numerals:
101-light transmission area, 102-wiring area, 103-first light transmission hole, 110-substrate, 111-first flexible layer, 112-first isolation layer, 113-second flexible layer, 114-second isolation layer, 120-dielectric layer assembly, 121-substrate layer, 121 a-first substrate layer, 121 b-second substrate layer, 121 c-polysilicon layer, 122-first insulation layer, 123-second insulation layer, 124-third insulation layer, 125-flat layer, 126-pixel limiting layer, 130-thin film transistor, 140-anode layer, 150-cathode layer, 160-organic light emitting layer, 161-light emitting pixel, 170-packaging layer, 180-first touch layer, 190-second touch layer, 210-fourth insulation layer, 220-fifth insulation layer, 230-protective layer, 240-scan line layer, 250-capacitance metal layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. 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 invention.
As shown in fig. 1, an embodiment of the invention discloses a display module, which can be applied to an electronic device having an optical device. The display module disclosed by the embodiment of the invention is provided with the light-transmitting area 101, and the light-transmitting area 101 is arranged opposite to the optical device, so that light in an external environment can enter the optical device through the light-transmitting area 101, or light emitted by the optical device can enter the external environment through the light-transmitting area 101. Optionally, the display module further has a routing area 102, where the light-transmissive area 101 may be a circular area, the routing area 102 is used for disposing a routing structure, the routing area 102 may surround the light-transmissive area 101, and other areas of the display module may surround the light-transmissive area 101 and the routing area 102.
In the embodiment of the present invention, the display module may be an AMOLED (Active-Matrix organic light-Emitting Diode) display module. The display module may include a substrate 110, a touch layer assembly, a dielectric layer assembly 120 disposed on the substrate 110, a thin film transistor 130, an anode layer 140, a cathode layer 150, an organic light emitting layer 160, and a package layer 170.
The substrate 110 may be used as a base for other structures included in the display module. In an alternative embodiment, the display module may be a hard-screen structure, and the substrate 110 may include a glass layer, that is, the substrate 110 may be made of a glass plate having a high transmittance, so as to improve the transmittance of the light-transmitting region 101. In another alternative embodiment, the display module may have a soft screen structure, in this case, the substrate 110 may be a flexible substrate, and the flexible substrate may include a first flexible layer 111, a first isolation layer 112, and a second flexible layer 113, which are sequentially stacked, wherein both the first flexible layer 111 and the second flexible layer 113 may be made of polyimide, and the first isolation layer 112 may be made of SiO2In addition, the first insulating layer 112 can insulate water and oxygen.
The dielectric layer assembly 120 may facilitate the arrangement of the thin film transistor 130, the anode layer 140, the cathode layer 150, the organic light emitting layer 160, and other components of the display module, and the dielectric layer assembly 120 may include dielectric layers for insulation, protection, and the like. In an alternative embodiment, the dielectric layer assembly 120 may include an inorganic layer assembly, which may include at least one dielectric layer made of an inorganic material, and an organic layer assembly, which may include at least one dielectric layer made of an organic material. Alternatively, the inorganic layer assembly may specifically include a substrate layer 121, a first insulating layer 122, a second insulating layer 123, and a third insulating layer 124, which are sequentially stacked, and the organic layer assembly may include a planarization layer 125 and a pixelDefining a layer 126. Wherein: substrate layer 121 may include a first substrate layer 121a, a second substrate layer 121b, and a polysilicon layer 121c, with second substrate layer 121b disposed on first substrate layer 121a, polysilicon layer 121c disposed on second substrate layer 121b, and first substrate layer 121a may be formed of SiNx Second substrate layer 121b may be made of SiO2Preparing; the first insulating layer 122 is a gate insulating layer, which is disposed on the second substrate layer 121b and can wrap the polysilicon layer 121 c; the second insulating layer 123 is an insulating layer between the scan line layer 240 and the capacitor metal layer 250, where the scan line layer 240 may be disposed on the first insulating layer 122; the third insulating layer 124 is an insulating layer between the planarization layer 125 and the capacitor metal layer 250, and the third insulating layer 124 may have a single-layer structure or a multi-layer structure; the pixel defining layer 126 may be disposed on the planarization layer 125. In addition, the substrate 110 may further include a second isolation layer 114, the second isolation layer 114 may be disposed between the second flexible layer 113 and the dielectric layer assembly 120, and the second isolation layer 114 may also be SiO2The product can isolate water and oxygen.
The thin film transistor 130 is connected to the anode layer 140, the organic light emitting layer 160 is located between the anode layer 140 and the cathode layer 150, and the touch layer assembly is disposed on a side of the cathode layer 150 away from the organic light emitting layer 160.
The encapsulation layer 170 is disposed on the cathode layer 150. The touch layer assembly may specifically include a first touch layer 180, a second touch layer 190 and a protection layer 230, the first touch layer 180 and the second touch layer 190 may both be metal layers, a fourth insulation layer 210 may be disposed between the first touch layer 180 and the encapsulation layer 170, and a fifth insulation layer 220 is disposed between the second touch layer 190 and the first touch layer 180, where both the first touch layer 180 and the second touch layer 190 may be used to implement a touch function of the display module. The protection layer 230 may be disposed on the fifth insulating layer 220, and the protection layer 230 may wrap the second touch layer 190, so as to protect the first touch layer 180, the second touch layer 190, and other structures.
In the embodiment of the present invention, the touch layer assembly has a first light hole 103, and at least a portion of the first light hole 103 is located in the light-transmitting region 101. That is, the touch layer assembly has a first light hole corresponding to at least a portion of the light-transmitting region 101, and the light transmittance of the first light hole 103 is higher, so as to improve the light transmittance of the whole light-transmitting region 101, thereby improving the working performance of the optical device. Alternatively, the first light-transmitting hole 103 may be a circular hole, or may be a hole of another shape. Specifically, at least a portion of the structure of the touch layer assembly corresponding to the light-transmitting area 101 may be removed, so as to form a first light-transmitting hole.
In a further embodiment, as shown in fig. 2, the dielectric layer assembly may be provided with a second light hole, at least a portion of the second light hole is located in the light-transmitting region 101, and at least a portion of the anode layer 140, the cathode layer 150 and the organic light-emitting layer 160 are located in the second light hole. Alternatively, the second light-transmitting hole may be a circular hole, or may be a hole of another shape. After the second light-transmitting hole is formed, at least one part of the dielectric layer assembly 120, which is located in the light-transmitting area 101, is removed, so that the negative influence of the dielectric layer assembly 120 on light transmission is reduced, and the light transmittance of the light-transmitting area 101 is higher.
As mentioned above, the display module further has the trace region 102, and the first light-transmitting hole 103 and the second light-transmitting hole may be disposed only in the light-transmitting region 101, that is, the first light-transmitting hole 103 and the second light-transmitting hole may be all located in the light-transmitting region 101. However, since the light is often refracted when propagating in the display module, the propagation path of the light is generally diffused, and if only the first light-transmitting hole 103 and the second light-transmitting hole are disposed in the light-transmitting area 101, the touch layer assembly and the dielectric layer assembly still block the propagation of the light, resulting in a low light transmittance of the light-transmitting area 101. For this purpose, a part of at least one of the first light-transmitting hole 103 and the second light-transmitting hole is located in the trace region 102. Specifically, only a part of the first light-transmitting hole 103 may be located in the light-transmitting region 101, and another part may be located in the trace region 102, only a part of the second light-transmitting hole may be located in the light-transmitting region 101, and another part may be located in the trace region 102, or a part of the first light-transmitting hole 103 and a part of the second light-transmitting hole may be located in the light-transmitting region 101, and another part of the first light-transmitting hole 103 and another part of the second light-transmitting hole may be located in the trace region 102. Since the sizes of the first and second light-transmitting holes 103 and 101 are increased, the light transmittance of the light-transmitting region 101 is higher.
Further, in the thickness direction of the display module, at least one of the first light hole 103 and the second light hole has a part of projection coinciding with the projection of the light-transmitting area 101, and another part of projection coinciding with the projection of the wiring area 102, at this time, at least one of the first light hole 103 and the second light hole can be arranged corresponding to the whole light-transmitting area 101 and the whole wiring area 102, so that the sizes of the first light hole 103 and the second light hole are as large as possible, and further the light transmittance of the light-transmitting area 101 is improved to a greater extent.
As mentioned above, the dielectric layer assembly 120 may include an inorganic layer assembly and an organic layer assembly, and the second light-transmitting hole may penetrate at least one of the inorganic layer assembly and the organic layer assembly. That is, the second light-transmitting hole may penetrate only the inorganic layer assembly and not the organic layer assembly, or the second light-transmitting hole may penetrate only the organic layer assembly and not the inorganic layer assembly, or the second light-transmitting hole may penetrate both the inorganic layer assembly and the organic layer assembly. In order to further improve the light transmittance of the light-transmitting region 101, the second light-transmitting hole can simultaneously penetrate through the inorganic layer assembly and the organic layer assembly, and at this time, the inorganic layer assembly and the organic layer assembly are not easy to block the transmission of light, so that the aforementioned purpose is achieved.
It should be noted that the dielectric layers included in the inorganic layer assembly are not limited to the dielectric layers described above, and when the inorganic layer assembly includes the substrate layer 121, the first insulating layer 122, the second insulating layer 123 and the third insulating layer 124, the second light-transmitting hole may penetrate through the substrate layer 121, the first insulating layer 122, the second insulating layer 123 and the third insulating layer 124, so that more part of the inorganic layer assembly located in the light-transmitting region 101 may be removed, and thus the light transmittance of the light-transmitting region 101 is higher, thereby further optimizing the performance of the optical device.
In order to make the light-transmitting region 101 have a display function, the light-emitting pixels 161 may also be disposed in the light-transmitting region 101, and the light-emitting pixels 161 may be entirely located above the dielectric layer assembly 120. In another alternative embodiment, the light-emitting pixel 161 in the light-transmitting region 101 includes a first light-emitting portion, a second light-emitting portion and a third light-emitting portion, the second light-emitting portion is connected to one end of the first light-emitting portion and one end of the third light-emitting portion, respectively, and the plane of the second light-emitting portion is parallel to the plane of the substrate 110. At this time, the whole light emitting pixel 161 is in a U-shaped structure, and the light emitting pixel 161 is not in a planar structure but in a curved structure, so that the light emitting area of the light emitting pixel 161 is increased, and therefore, the display brightness of the light transmitting region 101 is improved, and the display brightness of the light transmitting region 101 can be kept consistent with other regions for a long time, thereby optimizing the display effect of the display module.
When the touch layer assembly includes the first touch layer 180, the fourth insulating layer 210, the second touch layer 190, the fifth insulating layer 220 and the protection layer 230, the first light hole 103 may penetrate at least one of the first touch layer 180, the fourth insulating layer 210, the second touch layer 190, the fifth insulating layer 220 and the protection layer 230, or may penetrate through the first touch layer 180, the fourth insulating layer 210, the second touch layer 190, the fifth insulating layer 220 and the protection layer 230 at the same time. When the first light hole 103 simultaneously penetrates through the first touch layer 180, the fourth insulating layer 210, the second touch layer 190, the fifth insulating layer 220 and the protection layer 230, more parts of the touch layer assembly located in the light-transmitting region 101 can be removed, so that the light transmittance of the light-transmitting region 101 is higher, and the performance of the optical device is further optimized.
Based on the display module described in any of the above embodiments, an embodiment of the present invention further discloses an electronic device, which includes the display module described in any of the above embodiments, and further includes an optical device, the optical device is disposed on a side of the substrate 110 away from the organic light emitting layer 160, and the light transmissive region 101 is disposed opposite to the optical device.
Optionally, optical device here can include at least one in fingerprint module, camera, sensor and the light filling lamp to can realize functions such as fingerprint identification, shooting, data detection, light filling that correspond, these optical device can not occupy electronic equipment's screen space, thereby make electronic equipment's screen account for than higher. Of course, the optical device may also include other devices having a light receiving function or a light emitting function, which is not limited in this embodiment of the present invention.
The electronic device disclosed in the embodiment of the present invention may be a smart phone, a tablet computer, an electronic book reader, a wearable device (e.g., a smart watch), an electronic game machine, or the like, and the specific type of the electronic device is not limited in the embodiment of the present invention.
In the above embodiments of the present invention, the difference between the embodiments is mainly described, and different optimization features between the embodiments can be combined to form a better embodiment as long as they are not contradictory, and further description is omitted here in view of brevity of the text.
The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. A display module is characterized by having a light transmission area (101), and the display module comprises a substrate (110), a touch layer assembly, a dielectric layer assembly (120) arranged on the substrate (110), a thin film transistor (130), an anode layer (140), a cathode layer (150) and an organic light emitting layer (160), wherein the thin film transistor (130) is connected with the anode layer (140), the organic light emitting layer (160) is arranged between the anode layer (140) and the cathode layer (150), and the touch layer assembly is arranged on one side of the cathode layer (150) away from the organic light emitting layer (160);
the touch layer assembly is provided with a first light hole (103), and at least one part of the first light hole (103) is located in the light transmission area (101).
2. The display module of claim 1, wherein the dielectric layer assembly is provided with a second light hole, at least a portion of the second light hole is located in the light-transmissive region (101), and at least a portion of the anode layer (140), the cathode layer (150), and the organic light-emitting layer (160) are located in the second light hole.
3. The display module according to claim 2, further comprising a trace area (102), wherein the trace area (102) surrounds the light-transmissive area (101), and a portion of at least one of the first light-transmissive hole (103) and the second light-transmissive hole is located in the trace area (102).
4. The display module of claim 2, wherein the dielectric layer assembly (120) comprises an inorganic layer assembly and an organic layer assembly, and the second light-transmissive hole extends through at least one of the inorganic layer assembly and the organic layer assembly.
5. The display module according to claim 4, wherein the inorganic layer assembly comprises a substrate layer (121), a first insulating layer (122), a second insulating layer (123) and a third insulating layer (124) stacked in sequence, and the organic layer assembly comprises a planarization layer (125) and a pixel defining layer (126);
wherein the first insulating layer (122) is a gate insulating layer, the second insulating layer (123) is an insulating layer between a scan line layer (240) and a capacitance metal layer (250), and the third insulating layer (124) is an insulating layer between the planarization layer (125) and the capacitance metal layer (250);
the second light-transmitting hole penetrates through the substrate layer (121), the first insulating layer (122), the second insulating layer (123) and the third insulating layer (124).
6. The display module according to claim 2, wherein the light emitting pixels (161) in the light transmissive region (101) include a first light emitting portion, a second light emitting portion and a third light emitting portion, the second light emitting portion is connected to one end of the first light emitting portion and one end of the third light emitting portion, respectively, and the second light emitting portion is disposed in a plane parallel to the substrate (110).
7. The display module according to claim 1, wherein the touch layer assembly comprises a first touch layer (180), a fourth insulating layer (210), a second touch layer (190), a fifth insulating layer (220), and a protection layer (230), and the first light hole penetrates through the first touch layer (180), the fourth insulating layer (210), the second touch layer (190), the fifth insulating layer (220), and the protection layer (230).
8. The display module according to claim 1, wherein the substrate (110) is a flexible substrate comprising a first flexible layer (111), a first insulating layer (112) and a second flexible layer (113) stacked in sequence; alternatively, the first and second electrodes may be,
the substrate (110) comprises a glass layer.
9. An electronic device comprising a display module according to any one of claims 1 to 8, further comprising an optical device arranged on a side of the substrate (110) facing away from the organic light-emitting layer (160), the light-transmissive region (101) being arranged opposite the optical device.
10. The electronic device of claim 9, wherein the optics comprise at least one of a fingerprint module, a camera, a sensor, and a fill light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010126334.9A CN111326557A (en) | 2020-02-27 | 2020-02-27 | Display module and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010126334.9A CN111326557A (en) | 2020-02-27 | 2020-02-27 | Display module and electronic equipment |
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| CN111326557A true CN111326557A (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010126334.9A Pending CN111326557A (en) | 2020-02-27 | 2020-02-27 | Display module and electronic equipment |
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| CN209487511U (en) * | 2018-12-28 | 2019-10-11 | 云谷（固安）科技有限公司 | Display panel and display device |
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| US20160093679A1 (en) * | 2014-09-30 | 2016-03-31 | Samsung Display Co., Ltd. | Organic light-emitting diode display |
| CN106992201A (en) * | 2016-01-20 | 2017-07-28 | 三星显示有限公司 | Organic light-emitting display device |
| CN107241465A (en) * | 2016-03-29 | 2017-10-10 | 三星电子株式会社 | Electronic installation including display and camera |
| WO2019047126A1 (en) * | 2017-09-07 | 2019-03-14 | 华为技术有限公司 | Organic light-emitting display (oled) screen and terminal |
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Application publication date: 20200623 |