CN111146258A - Display screen and electronic equipment - Google Patents
Display screen and electronic equipment Download PDFInfo
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- CN111146258A CN111146258A CN201911394665.4A CN201911394665A CN111146258A CN 111146258 A CN111146258 A CN 111146258A CN 201911394665 A CN201911394665 A CN 201911394665A CN 111146258 A CN111146258 A CN 111146258A
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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
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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
- H10K59/30—Devices specially adapted for multicolour light emission
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- Microelectronics & Electronic Packaging (AREA)
- Electroluminescent Light Sources (AREA)
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Abstract
本发明公开一种显示屏，包括基板(100)以及设置在所述基板(100)上的有机发光器件(200)，所述有机发光器件(200)包括第一发光部(210)和第二发光部(220)，所述第二发光部(220)为红外发光部，所述基板(100)设置有TFT层(300)，所述第一发光部(210)和所述第二发光部(220)均与所述TFT层(300)电连接，所述第一发光部(210)和所述第二发光部(220)均设置在所述TFT层(300)背离所述基板(100)的一侧。上述方案能解决目前的电子设备中红外灯设置在显示屏的下方会影响显示屏的显示及导致红外传感器的检测效果不佳的问题。本发明公开一种电子设备。
The invention discloses a display screen, comprising a substrate (100) and an organic light-emitting device (200) arranged on the substrate (100), the organic light-emitting device (200) comprising a first light-emitting part (210) and a second light-emitting part (210) A light-emitting part (220), the second light-emitting part (220) is an infrared light-emitting part, the substrate (100) is provided with a TFT layer (300), the first light-emitting part (210) and the second light-emitting part (220) are both electrically connected to the TFT layer (300), and the first light-emitting portion (210) and the second light-emitting portion (220) are both disposed on the TFT layer (300) away from the substrate (100). ) side. The above solution can solve the problem that the infrared lamp disposed below the display screen in the current electronic equipment will affect the display of the display screen and cause the poor detection effect of the infrared sensor. The invention discloses an electronic device.
Description
Technical Field
The invention relates to the technical field of communication equipment, in particular to a display screen and electronic equipment.
Background
As user demands increase, the performance of electronic devices continues to optimize. More and more electronic devices are equipped with infrared lamps and infrared sensors (e.g., infrared fingerprint sensors, infrared cameras for detecting human faces, infrared distance detection sensors, etc.) below the display screen. In a specific working process, infrared light emitted by the infrared lamp is projected out after passing through the display screen and then projected onto an obstacle (such as a human face), and the infrared light reflected by the obstacle passes through the display screen again and is sensed by the infrared sensor, so that the purpose of detection is achieved. Of course, infrared light can be supplemented through the display screen.
Because the infrared lamp sets up in the below of display screen, infrared lamp and display screen are two independent components each other, and at specific working process, the infrared light of infrared lamp transmission can pierce through the display screen. The display screen manufactured by the existing manufacturing process has the following problems when being penetrated by infrared light: firstly, more infrared light is easily absorbed by a channel of a TFT layer of a display screen to generate a photoelectric effect, light leakage current of the TFT layer is increased, and finally, a pixel circuit is unstable to cause display abnormity; secondly, more infrared light is absorbed by the TFT layer, so that the function degradation of the TFT layer is caused, and the problem of uneven display is caused; thirdly, the metal of display screen can block the penetration of infrared light, leads to the infrared light to penetrate out the light of display screen not enough to lead to the infrared light of reflection not enough, finally lead to infrared sensor more easily because the infrared light that receives is not enough to produce the detection problem.
Disclosure of Invention
The invention discloses a display screen and electronic equipment, and aims to solve the problems that display of the display screen is influenced and the detection effect of an infrared sensor is poor due to the fact that an infrared lamp is arranged below the display screen in the conventional electronic equipment.
In order to solve the problems, the invention adopts the following technical scheme:
in a first aspect, an embodiment of the present invention discloses a display screen, including a substrate and an organic light emitting device disposed on the substrate, where the organic light emitting device includes a first light emitting portion and a second light emitting portion, the second light emitting portion is an infrared light emitting portion, the substrate is disposed with a TFT layer, the first light emitting portion and the second light emitting portion are both electrically connected to the TFT layer, and the first light emitting portion and the second light emitting portion are both disposed on a side of the TFT layer facing the display screen.
In a second aspect, an embodiment of the present invention discloses an electronic device, where the disclosed electronic device includes the display screen described above.
The technical scheme adopted by the invention can achieve the following beneficial effects:
according to the display screen disclosed by the invention, the structure of the display screen in the prior art is improved, so that the display screen comprises the second light-emitting part, the second light-emitting part and the original first light-emitting part of the display screen are arranged on the TFT layer and are driven by the TFT layer, the first light-emitting part and the second light-emitting part are both positioned at the same side of the TFT layer, which is far away from the substrate, so that the first light-emitting part and the second light-emitting part can project light in the same direction, and the second light-emitting part is an infrared light-emitting part, so that light supplement can be realized when an infrared sensor of electronic equipment works. Because the second illuminating part is arranged on one side of the TFT layer, which is far away from the substrate, infrared light emitted by the second illuminating part does not need to pass through the TFT layer, the influence on the TFT layer can be reduced, the influence on the display of the display screen can be further relieved, and the blocking of the display screen on the infrared light can be reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 to fig. 3 are schematic partial structural diagrams of three display screens disclosed in the embodiment of the present invention, respectively.
Description of reference numerals:
100-a substrate,
200-organic light emitting device, 210-first light emitting part, 211-red light emitting part, 212-green light emitting part, 213-blue light emitting part, 220-second light emitting part, 201-light emitting layer, 202-electron transport layer,
300-TFT layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the 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.
The technical solutions disclosed in the embodiments of the present invention are described in detail below with reference to the accompanying drawings.
Referring to fig. 1 to 3, an embodiment of the present invention discloses a display screen, and the disclosed display screen is suitable for an electronic device. The display screen disclosed by the embodiment of the invention comprises a substrate 100, an organic light-emitting device 200 and a TFT layer.
The organic light emitting device 200 is disposed on the substrate 100, and the organic light emitting device 200 includes a first light emitting portion 210 and a second light emitting portion 220. The first light emitting portion 210 is a light emitting device for providing light for self display, for example, the first light emitting portion 210 is an RGB light emitter.
In the embodiment of the present invention, the second light emitting portion 220 is an infrared light emitting portion, and during a specific operation, the infrared light emitting portion emits infrared light, so as to supplement light for the electronic device during operations such as infrared fingerprint recognition, face recognition, infrared distance detection, and the like. In one specific embodiment, the second light emitting part 220 may be an infrared organic diode.
A TFT (Thin Film Transistor) layer 300 is disposed on the substrate 100, and both the first and second light emitting parts 210 and 220 are electrically connected to the TFT layer and driven by the TFT layer 300. In the embodiment of the invention, the first light emitting portion 210 and the second light emitting portion 220 are disposed on a side of the TFT layer 300 away from the substrate 100, so as to project light in the same direction.
The display screen disclosed by the embodiment of the invention improves the structure of the display screen in the prior art, so that the display screen comprises the second light-emitting part 220, the second light-emitting part 220 and the original first light-emitting part 210 of the display screen are both arranged on the TFT layer 300 and are driven by the TFT layer 300, the first light-emitting part 210 and the second light-emitting part 220 are both positioned at the same side of the TFT layer 300, which is far away from the substrate 100, so that the first light-emitting part 210 and the second light-emitting part 220 can project light towards the same direction, the second light-emitting part 220 is an infrared light-emitting part, and light supplement can be realized when an infrared sensor of electronic equipment works. Since the second light emitting part 220 is disposed on the side of the TFT layer 300 away from the substrate 100, the infrared light emitted by the second light emitting part 220 does not need to pass through the TFT layer 300, and thus the influence on the TFT layer 300 can be reduced, and of course, the blocking of the display screen to the infrared light can also be reduced.
Meanwhile, because the infrared light can not be seen by the eyes of the user, the emission of the infrared light from the display screen can not influence the normal display of the display screen.
The electronic device disclosed by the embodiment of the invention comprises the infrared sensor, the infrared sensor is arranged below the display screen, and in the specific working process, after the infrared light emitted by the second light-emitting part 220 is projected onto the detected object, the reflected infrared light is induced by the sensor after passing through the display screen, and the detection is finally completed. The display screen disclosed by the embodiment of the invention can reduce the influence on the display screen and the influence of the display screen in the process that infrared light irradiates to the detected object.
In the embodiment of the present invention, the first light emitting portion 210 and the second light emitting portion 220 may be spaced apart from each other, so as to facilitate the layout, and at the same time, reduce the mutual influence.
In order to reduce the influence of the display panel, the second light emitting part 220 may be disposed at the edge of the TFT layer 300. In a specific embodiment, the display panel includes corner regions, and the second light emitting part 220 is disposed in the corner regions, in which case the second light emitting part 220 is particularly disposed on a portion of the TFT layer 300 opposite the corner regions. In general, the display screen has a rectangular or square-like shape, and includes four corner regions, and the second light emitting unit 220 may be disposed in one of the corner regions.
Of course, the second light emitting unit 220 may have various arrangements. In order to improve the infrared light supplement effect, in a preferred embodiment, the second light emitting parts 220 may be distributed in rows. In another specific embodiment, the second light emitting portion 220 may be distributed annularly, and specifically, the second light emitting portion 220 may be disposed around the first light emitting portion 210, so as to achieve the purpose of multi-directional light supplement.
The second light emitting part 220 may have various structures, as shown in fig. 1, and in an alternative, the second light emitting part 220 may include a matrix and light emitting particles doped in the matrix, and specifically, the matrix and the light emitting particles doped in the matrix may form an infrared light emitting layer. The substrate may be electrically connected to the TFT layer 300, thereby realizing that the light emitting particles emit infrared light. Specifically, the material of the matrix can be 8-hydroxyquinoline aluminum, and the material of the luminescent particles can be platinum aza triphenyl tetraphenylporphyrin. Specifically, in the manufacturing process, 8-hydroxyquinoline aluminum and platinum-aza-triphenyl-tetrabenzoporphyrin can be formed together by evaporation, and the mass ratio of the platinum-aza-triphenyl-tetrabenzoporphyrin can be 4%. The thickness of the infrared light emitting layer may be 15 nm.
The infrared light emitting layer is formed independently, so that the second light emitting portion 220 and the first light emitting portion 210 do not affect each other, and the influence on the display of the display screen can be reduced.
Of course, the second light emitting unit 220 may be formed in another manner. In an alternative, the second light emitting part 220 is doped in the electron transport layer 202 of the first light emitting part 210. Under the circumstances, the second light-emitting part 220 can be added into the first light-emitting part 210 in the process of molding the first light-emitting part 210, so that the manufacturing efficiency of the display screen can be improved undoubtedly, meanwhile, the second light-emitting part 220 is fused with the first light-emitting part 210, the area of the light-emitting area occupied by the second light-emitting part 220 can be avoided, and the balance of display of each area of the display screen can be improved.
Specifically, the first light emitting part 210 may include a red light emitting part 211, a green light emitting part 212, and a blue light emitting part 213, and the electron transport layer 202 of at least one of the red light emitting part 211, the green light emitting part 212, and the blue light emitting part 213 is doped with the second light emitting part 220. Alternatively, the electron transport layer 202 of one of the red light emitting portion 211, the green light emitting portion 212, and the blue light emitting portion 213 may be doped with the second light emitting portion 220, so that the influence of the light emission of the first light emitting portion 210 can be reduced.
Alternatively, the second light emitting part 220 may be doped in the light emitting layer 201 of the first light emitting part 210. The first light-emitting portion 210 includes a red light-emitting portion 211, a green light-emitting portion 212, and a blue light-emitting portion 213, and the second light-emitting portion 220 is doped in the light-emitting layer 201 of at least one of the red light-emitting portion 211, the green light-emitting portion 212, and the blue light-emitting portion 213. Specifically, the light-emitting layer 201 of one of the red light-emitting portion 211, the green light-emitting portion 212, and the blue light-emitting portion 213 may be doped with the second light-emitting portion 220, so that the influence on the light emission of the first light-emitting portion 210 can be reduced.
Specifically, the second light-emitting portion 220 may be the light-emitting particles described above (for example, platinum azatriphenyltetraphenylporphyrin), and the light-emitting particles may emit infrared light when the first light-emitting portion 210 emits light, and may emit infrared light when the light-emitting particles are provided in the electron transport layer 202 or the light-emitting layer 201. The mechanism of light emission from platinazatriphenyltetrabenzoporphyrin is well known.
Based on the display screen disclosed by the embodiment of the invention, the embodiment of the invention discloses electronic equipment, and the disclosed electronic equipment comprises the display screen disclosed by the embodiment.
The electronic device disclosed in the embodiment of the present invention may be a mobile phone, a tablet computer, an electronic book reader, a game machine, a wearable device (e.g., a smart watch), and 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)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911394665.4A CN111146258A (en) | 2019-12-30 | 2019-12-30 | Display screen and electronic equipment |
| PCT/CN2020/139900 WO2021136135A1 (en) | 2019-12-30 | 2020-12-28 | Display screen and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911394665.4A CN111146258A (en) | 2019-12-30 | 2019-12-30 | Display screen and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111146258A true CN111146258A (en) | 2020-05-12 |
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ID=70521911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911394665.4A Pending CN111146258A (en) | 2019-12-30 | 2019-12-30 | Display screen and electronic equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111146258A (en) |
| WO (1) | WO2021136135A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021136135A1 (en) * | 2019-12-30 | 2021-07-08 | 维沃移动通信有限公司 | Display screen and electronic device |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1571601A (en) * | 2004-04-23 | 2005-01-26 | 中国科学院长春应用化学研究所 | Preparation method of white organic electroluminescent device |
| CN1839666A (en) * | 2003-08-22 | 2006-09-27 | 3M创新有限公司 | Electroluminescent device and method thereof |
| CN104867957A (en) * | 2014-02-26 | 2015-08-26 | 三星显示有限公司 | Organic light emitting display |
| US20170040385A1 (en) * | 2015-08-03 | 2017-02-09 | Boe Technology Group Co., Ltd. | Oled display apparatus and method for producing the same and color filter substrate and method for producing the same |
| CN107221605A (en) * | 2017-06-13 | 2017-09-29 | 上海天马有机发光显示技术有限公司 | Organic light-emitting structure and display device |
| CN107316885A (en) * | 2017-06-30 | 2017-11-03 | 联想(北京)有限公司 | A kind of Organic Light Emitting Diode OLED display screen and a kind of electronic equipment |
| CN107452887A (en) * | 2017-08-23 | 2017-12-08 | 太原理工大学 | A kind of fluorescent/phosphorescent mixed white light OLED |
| CN107785400A (en) * | 2017-10-26 | 2018-03-09 | 京东方科技集团股份有限公司 | Array base palte and display device |
| CN108155295A (en) * | 2017-12-06 | 2018-06-12 | 华南理工大学 | A kind of efficient organic fluorescence light emitting diode and preparation method thereof |
| CN108399390A (en) * | 2018-03-01 | 2018-08-14 | 京东方科技集团股份有限公司 | Fingerprint recognition module and fingerprint identification device |
| CN108565279A (en) * | 2018-04-04 | 2018-09-21 | 上海天马有机发光显示技术有限公司 | A kind of organic light-emitting display device and electronic equipment |
| CN110211988A (en) * | 2019-07-04 | 2019-09-06 | 深圳市思坦科技有限公司 | A kind of LED display panel and display device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111146258A (en) * | 2019-12-30 | 2020-05-12 | 维沃移动通信有限公司 | Display screen and electronic equipment |
-
2019
- 2019-12-30 CN CN201911394665.4A patent/CN111146258A/en active Pending
-
2020
- 2020-12-28 WO PCT/CN2020/139900 patent/WO2021136135A1/en not_active Ceased
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1839666A (en) * | 2003-08-22 | 2006-09-27 | 3M创新有限公司 | Electroluminescent device and method thereof |
| CN1571601A (en) * | 2004-04-23 | 2005-01-26 | 中国科学院长春应用化学研究所 | Preparation method of white organic electroluminescent device |
| CN104867957A (en) * | 2014-02-26 | 2015-08-26 | 三星显示有限公司 | Organic light emitting display |
| US20170040385A1 (en) * | 2015-08-03 | 2017-02-09 | Boe Technology Group Co., Ltd. | Oled display apparatus and method for producing the same and color filter substrate and method for producing the same |
| CN107221605A (en) * | 2017-06-13 | 2017-09-29 | 上海天马有机发光显示技术有限公司 | Organic light-emitting structure and display device |
| CN107316885A (en) * | 2017-06-30 | 2017-11-03 | 联想(北京)有限公司 | A kind of Organic Light Emitting Diode OLED display screen and a kind of electronic equipment |
| CN107452887A (en) * | 2017-08-23 | 2017-12-08 | 太原理工大学 | A kind of fluorescent/phosphorescent mixed white light OLED |
| CN107785400A (en) * | 2017-10-26 | 2018-03-09 | 京东方科技集团股份有限公司 | Array base palte and display device |
| CN108155295A (en) * | 2017-12-06 | 2018-06-12 | 华南理工大学 | A kind of efficient organic fluorescence light emitting diode and preparation method thereof |
| CN108399390A (en) * | 2018-03-01 | 2018-08-14 | 京东方科技集团股份有限公司 | Fingerprint recognition module and fingerprint identification device |
| CN108565279A (en) * | 2018-04-04 | 2018-09-21 | 上海天马有机发光显示技术有限公司 | A kind of organic light-emitting display device and electronic equipment |
| CN110211988A (en) * | 2019-07-04 | 2019-09-06 | 深圳市思坦科技有限公司 | A kind of LED display panel and display device |
Non-Patent Citations (1)
| Title |
|---|
| 徐登辉等: "《有机电致发光器件及器件界面特性》", 30 September 2013, 第46-48页 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021136135A1 (en) * | 2019-12-30 | 2021-07-08 | 维沃移动通信有限公司 | Display screen and electronic device |
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| Publication number | Publication date |
|---|---|
| WO2021136135A1 (en) | 2021-07-08 |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200512 |
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| RJ01 | Rejection of invention patent application after publication |