WO2023143218A1 - Dispositif électroluminescent et appareil d'affichage - Google Patents

Dispositif électroluminescent et appareil d'affichage Download PDF

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Publication number
WO2023143218A1
WO2023143218A1 PCT/CN2023/072500 CN2023072500W WO2023143218A1 WO 2023143218 A1 WO2023143218 A1 WO 2023143218A1 CN 2023072500 W CN2023072500 W CN 2023072500W WO 2023143218 A1 WO2023143218 A1 WO 2023143218A1
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WO
WIPO (PCT)
Prior art keywords
sensor
groove
light
light emitting
emitting device
Prior art date
Application number
PCT/CN2023/072500
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English (en)
Chinese (zh)
Inventor
刁鸿浩
Original Assignee
北京芯海视界三维科技有限公司
视觉技术创投私人有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 北京芯海视界三维科技有限公司, 视觉技术创投私人有限公司 filed Critical 北京芯海视界三维科技有限公司
Publication of WO2023143218A1 publication Critical patent/WO2023143218A1/fr

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
    • H01L33/50—Wavelength conversion elements
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
    • H01L33/58—Optical field-shaping elements

Definitions

  • the present application relates to the field of optical technology, for example, to a light emitting device and a display device.
  • no sensor is usually arranged in the light emitting device, and the sensor is independently arranged at a position outside the light emitting device.
  • the sensor installed independently of the light emitting device has a single installation location.
  • Embodiments of the present disclosure provide a light-emitting device and a display device to solve the technical problem of a single sensor installation location.
  • a light emitting device includes:
  • grating arranged on one side of the light conversion layer
  • the sensor is disposed on at least one of the above-mentioned light conversion layer and the above-mentioned grating.
  • the senor may be disposed in the light conversion layer, the light conversion layer may include a first groove, and the sensor may be disposed in the first groove.
  • the above-mentioned sensor may be disposed in part or all of the above-mentioned first groove.
  • the above-mentioned sensor may be disposed in a partial area of the above-mentioned first groove, and other areas in the above-mentioned first groove may be provided with transparent glue.
  • the senor may be disposed in the light conversion layer and the grating, the light conversion layer may include a first groove, and the sensor may be disposed in the first groove and the grating.
  • the senor may include a first type sensor and a second type sensor, the first type sensor may be disposed in the first groove, and the second type sensor may be disposed in the grating.
  • the first type of sensors may include multiple first sensors, and the types of the multiple first sensors may be the same or different.
  • the second type of sensors may include multiple second sensors, and the types of the multiple second sensors may be the same or different.
  • part of the sensor may be disposed in the first groove, and part of the sensor may be disposed in the grating.
  • the aforementioned sensor may include at least one of an infrared sensor, a pressure sensor, a ranging sensor, and a reflection spectrum sensor.
  • a luminescent layer may also be included, and the luminescent layer may be disposed on a side of the light conversion layer away from the grating.
  • the above-mentioned light-emitting layer may include a plurality of light-emitting units, and the above-mentioned multiple light-emitting units may be arranged in an array.
  • a wavelength selection layer may also be included, and the wavelength selection layer may be disposed between the light conversion layer and the grating.
  • the above-mentioned wavelength selective layer may include at least one of a distributed Bragg reflector DBR layer and a color resist layer.
  • the above-mentioned distributed Bragg reflector DBR layer may include a second groove, and the above-mentioned color resist layer may include a third groove;
  • the above-mentioned sensor can also be arranged in at least one of the above-mentioned second groove and the above-mentioned third groove.
  • a display device may include the above light emitting device.
  • the sensor By arranging the sensor in at least one of the above-mentioned light conversion layer and the above-mentioned grating, that is, arranging the sensor in the light-emitting device, not only can solve the technical problem of the single location of the sensor; but also by arranging the sensor in the light-emitting device, instead of The sensor is arranged independently of the light-emitting device, and the overall thickness of the sensor and the light-emitting device can be reduced, so that when the light-emitting device and the sensor are used as a part of the display device, the thickness of the display device can be reduced.
  • FIG. 1 is a schematic diagram of a light emitting device provided by an embodiment of the present disclosure
  • Fig. 2 is a schematic diagram of another light emitting device provided by an embodiment of the present disclosure.
  • Fig. 3 is a schematic diagram of another light emitting device provided by an embodiment of the present disclosure.
  • Fig. 4 is a schematic diagram of another light emitting device provided by an embodiment of the present disclosure.
  • Fig. 5 is a schematic diagram of another light emitting device provided by an embodiment of the present disclosure.
  • FIG. 6 is a schematic structural diagram of a display device provided by an embodiment of the present disclosure.
  • 10 light emitting device; 101: light conversion layer; 102: grating; 103: sensor; 104: first groove; 105: light emitting layer; 106: light emitting unit; 107: wavelength selection layer; 108: color resistance layer; 109: Distributed Bragg reflector DBR layer; 110: second groove; 111: third groove; 20: display device.
  • an embodiment of the present disclosure provides a light emitting device 10, including:
  • the grating 102 is arranged on one side of the light conversion layer 101;
  • the sensor 103 is disposed on at least one of the light conversion layer 101 and the grating 102 .
  • the light conversion layer 101 may include photoluminescent materials, such as phosphor powder, organic fluorescent materials, fluorescent quantum dots, and the like.
  • the photoluminescent material can absorb incident light and, after absorbing the incident light, emit outgoing light having a different wavelength than the absorbed incident light.
  • the wavelength of the outgoing light may be greater than the wavelength of the incident light absorbed, for example: the red fluorescent quantum dot material can absorb blue light or blue-violet light and emit red light; the green fluorescent quantum dot material can absorb blue light or blue-violet light, emit green light.
  • the senor 103 can be disposed in the light conversion layer 101 .
  • the sensor 103 may be disposed in the grating 102 .
  • the sensor 103 may be disposed in the light conversion layer 101 and the grating 102 .
  • the sensor 103 By disposing the sensor 103 in at least one of the light conversion layer 101 and the grating 102, that is, disposing the sensor 103 in the light-emitting device 10, not only can solve the technical problem of a single location of the sensor 103; but also by disposing the sensor 103 in the light-emitting device In 10, instead of setting the sensor 103 independently of the light emitting device 10, the overall thickness of the sensor 103 and the light emitting device 10 can also be reduced, so that when the light emitting device 10 and the sensor 103 are used as a part of the display device 20, the weight of the display device 20 can be reduced. thickness.
  • the senor 103 is disposed in the light conversion layer 101 , the light conversion layer 101 includes a first groove 104 , and the sensor 103 is disposed in the first groove 104 .
  • the light conversion layer 101 is provided with a first groove 104 penetrating through the upper and lower surfaces of the light conversion layer 101, and the cross-sectional shape of the first groove 104 can be a rectangle, a square, a circle, an ellipse or a polygon, etc., wherein, the cross-sectional shape of the first groove 104 is the shape of the first groove 104 when viewing the light conversion layer 101 from above.
  • the sensor 103 may be disposed in the first groove 104, as shown in FIG. 1 .
  • the sensor 103 may be disposed in a part of the light conversion layer 101 other than the first groove 104 .
  • the sensor 103 may be disposed in the first groove 104 and in parts other than the first groove 104 .
  • the senor 103 is disposed in part or all of the first groove 104 .
  • the sensor 103 may be disposed in a partial area of the first groove 104 .
  • the sensor 103 when the sensor 103 is disposed in a partial area of the first groove 104 , other areas in the first groove 104 are provided with transparent glue.
  • the sensor 103 may be disposed in the entire area of the first groove 104 , that is, the shape of the first groove 104 matches the shape of the sensor 103 .
  • the senor 103 includes at least one of an infrared sensor 103 , a pressure sensor 103 , a ranging sensor 103 and a reflection spectrum sensor 103 .
  • the senor 103 is disposed in the light conversion layer 101 and the grating 102, the light conversion layer 101 includes a first groove 104, and the sensor 103 is disposed in the first groove 104 and the grating 102 .
  • the sensor 103 disposed in the first groove 104 is a complete sensor 103
  • the sensor 103 disposed in the grating 102 is a complete sensor 103
  • the sensor 103 includes a first type sensor 103 and a second type sensor 103
  • the first type sensor 103 is disposed in the first groove 104
  • the second type sensor 103 is disposed in the grating 102
  • the first type of sensor 103 includes a plurality of first sensors 103, and the types of the plurality of first sensors 103 are the same or different.
  • the second type sensor 103 includes a plurality of second sensors 103, and the types of the plurality of second sensors 103 are the same or different.
  • the first type of sensor 103 and the second type of sensor 103 are of the same type or different.
  • the first type sensor 103 and the second type sensor 103 are of the same type.
  • both the first type sensor 103 and the second type sensor 103 are infrared sensors 103 .
  • an infrared sensor 103 is disposed in both the first groove 104 and the grating 102 .
  • the first type sensor 103 and the second type sensor 103 are of different types.
  • the first type of sensor 103 is an infrared sensor 103
  • the second type of sensor 103 is a pressure sensor 103 .
  • an infrared sensor 103 is arranged in the first groove 104
  • a pressure sensor 103 is arranged in the grating 102 .
  • the multiple first sensors 103 are of the same type, for example, all are infrared sensors 103 .
  • infrared sensors 103 can be arranged in each of the first grooves 104 .
  • the types of the multiple first sensors 103 are different, for example, the multiple first sensors 103 are infrared sensors 103 and pressure sensors 103 respectively.
  • the infrared sensor 103 and the pressure sensor 103 may be respectively disposed in different first grooves 104 .
  • the plurality of first sensors 103 are a pressure sensor 103 , a ranging sensor 103 and a reflection spectrum sensor 103 respectively.
  • the pressure sensor 103 , the distance measuring sensor 103 and the reflectance spectrum sensor 103 may be respectively arranged in different first grooves 104 .
  • the multiple second sensors 103 are of the same type, for example, all are infrared sensors 103 .
  • infrared sensors 103 may be arranged in each of the gratings 102 .
  • the types of the multiple second sensors 103 are different, for example, the multiple second sensors 103 are infrared sensors 103 and pressure sensors 103 respectively.
  • an infrared sensor 103 and a pressure sensor 103 may be respectively arranged in the grating 102 .
  • the plurality of second sensors 103 are infrared sensors 103 , pressure sensors 103 and distance measuring sensors 103 .
  • an infrared sensor 103 , a pressure sensor 103 and a distance sensor 103 may be respectively arranged in the grating 102 .
  • the sensor 103 in the first groove 104 is not a complete sensor 103 , nor is the sensor 103 in the grating 102 a complete sensor 103 .
  • part of the sensor 103 is arranged in the first groove 104
  • part of the sensor 103 is arranged in the grating 102 .
  • the partial sensor 103 located in the first groove 104 and the partial sensor 103 located in the grating 102 form a complete sensor 103 .
  • a light emitting layer 105 is further included, and the light emitting layer 105 is disposed on a side of the light conversion layer 101 away from the grating 102 .
  • the light emitting layer 105 includes a plurality of light emitting units 106, and the plurality of light emitting units 106 are arranged in an array.
  • the plurality of light emitting units 106 include: light emitting diodes (LEDs).
  • the above-mentioned light-emitting diode LED includes at least one of mini light-emitting diode Mini LED and micro light-emitting diode Micro LED.
  • multiple light-emitting units 106 can come from the same continuous area of the same wafer, for example: multiple light emitting units 106 arranged in the same continuous area of the same wafer by means of film growth, photolithography and etching, etc. light emitting unit 106 .
  • the above-mentioned mutual relationship between the plurality of light emitting units 106 (for example: the plurality of light emitting units 106 The positional relationship, posture relationship, etc.) between them can be unchanged.
  • the mutual relationship (for example: the positional relationship, posture relationship, etc. between the plurality of light emitting units 106 and the wafer) may not change.
  • the multiple light emitting units 106 disposed on the wafer can be taken as a whole with the wafer, without changing the relationship between the multiple light emitting units 106 and without changing the relationship between the multiple light emitting units 106 and the wafer.
  • the whole formed by the above-mentioned plurality of light emitting units 106 and the wafer is provided in equipment such as a light emitting device.
  • the multiple light emitting units 106 may be disposed in a non-mass transfer manner, for example: the multiple light emitting units 106 disposed on a wafer or a light emitting device have not undergone mass transfer.
  • the light emitted by the light emitting unit 106 corresponding to the first groove 104 directly reaches the grating 102 .
  • the light emitted by the light emitting unit 106 not corresponding to the first groove 104 passes through the light conversion layer 101 to reach the grating 102 .
  • a wavelength selection layer 107 is further included, and the wavelength selection layer 107 is disposed between the light conversion layer 101 and the grating 102 .
  • the wavelength selection layer 107 may reflect and/or absorb light transmitted through the light conversion layer 101 .
  • the wavelength selective layer 107 includes at least one of a distributed Bragg reflector DBR layer 109 and a color resist layer 108 .
  • the wavelength selection layer 107 includes a distributed Bragg reflector DBR layer 109 , and the distributed Bragg reflector DBR layer 109 is disposed between the light conversion layer 101 and the grating 102 .
  • the wavelength selection layer 107 includes a color resistance layer 108 disposed between the light conversion layer 101 and the grating 102 .
  • the wavelength selection layer 107 includes a distributed Bragg reflector DBR layer 109 and a color-resist layer 108, the distributed Bragg reflector DBR layer 109 is disposed on the side of the light conversion layer 101 close to the grating 102, and the color-resist layer 108 is disposed On the side of the distributed Bragg reflector DBR layer 109 away from the light conversion layer 101 .
  • the distributed Bragg reflector DBR layer 109 includes a second groove 110, and the color resist layer 108 includes a third groove 111;
  • the sensor 103 is also disposed in at least one of the second groove 110 and the third groove 111 .
  • the wavelength selective layer 107 includes a distributed Bragg reflector DBR layer 109
  • the distributed Bragg reflector DBR layer 109 includes a second groove 110
  • the sensor 103 may be disposed in the second groove 110, or may not be disposed. in the second groove 110
  • the first groove 104 and the second groove 110 are arranged correspondingly, and the light emitted by the light emitting unit 106 corresponding to the first groove 104 directly reaches the grating 102 .
  • the light emitted by the light emitting unit 106 not corresponding to the first groove 104 reaches the grating 102 through the light conversion layer 101 and the distributed Bragg reflector DBR layer 109 .
  • the distributed Bragg reflector DBR layer 109 may reflect light in a certain wavelength range, so that the reflected light reaches the light conversion layer 101 again for conversion, so as to improve the light conversion efficiency.
  • the wavelength selection layer 107 includes a color-resist layer 108
  • the color-resist layer 108 includes a third groove 111
  • the sensor 103 may or may not be arranged in the third groove 111
  • the first groove 104 and the third groove 111 are arranged correspondingly, and the light emitted by the light emitting unit 106 corresponding to the first groove 104 directly reaches the grating 102.
  • the light emitted by the light emitting unit 106 not corresponding to the first groove 104 reaches the grating 102 through the light converting layer 101 and the color resist layer 108 .
  • the color-resisting layer 108 can filter out light that does not want to pass through the grating 102 .
  • the wavelength selective layer 107 includes a distributed Bragg reflector DBR layer 109 and a color-resist layer 108
  • the distributed Bragg reflector DBR layer 109 includes a second groove 110
  • the color-resist layer 108 includes a third groove 111
  • the sensor 103 may be disposed in the second groove 110 .
  • the sensor 103 can be disposed in the third groove 111 .
  • the sensor 103 may be disposed in the second groove 110 and the third groove 111 , as shown in FIG. 5 .
  • the sensor 103 may not be disposed in the second groove 110 and the third groove 111 .
  • the first groove 104 is arranged corresponding to the second groove 110 and the third groove 111 , and the light emitted by the light emitting unit 106 corresponding to the first groove 104 directly reaches the grating 102 .
  • the light emitted by the light emitting unit 106 not corresponding to the first groove 104 reaches the grating 102 through the light converting layer 101 , the distributed Bragg reflector DBR layer 109 and the color resist layer 108 .
  • a display device 20 includes a light emitting device 10 .
  • the display device 20 may further include other components for supporting the normal operation of the display device 20, such as at least one of components such as a communication interface, a frame, and a control circuit.
  • the display device 20 may be a device capable of displaying, such as a display terminal, such as a TV, a projector, a mobile phone, a desktop computer, a tablet computer, a notebook computer, and the like.
  • a display terminal such as a TV, a projector, a mobile phone, a desktop computer, a tablet computer, a notebook computer, and the like.
  • the light-emitting device and the display device provided by the embodiments of the present disclosure can not only solve the technical problem of a single location of the sensor by disposing the sensor in at least one of the above-mentioned light conversion layer and the above-mentioned grating, that is, disposing the sensor in the light-emitting device;
  • the overall thickness of the sensor and the light-emitting device can also be reduced, so that when the light-emitting device and the sensor are used as a part of the display device, the thickness of the display device can be reduced.
  • first element could be called a second element, and likewise, a second element could be called a first element, without changing the meaning of the description, as long as all occurrences of "first element” are renamed consistently and all occurrences of "Second component” can be renamed consistently.
  • the first element and the second element are both elements, but may not be the same element.
  • the terms used in the present application are used to describe the embodiments only and are not used to limit the claims. As used in the examples and description of the claims, unless Otherwise the context clearly indicates that the singular forms "a”, “an” and “the” are intended to include the plural forms as well.
  • the term “and/or” as used in this application is meant to include any and all possible combinations of one or more of the associated listed ones.
  • the term “comprise” and its variants “comprises” and/or comprising (comprising) etc. refer to stated features, integers, steps, operations, elements, and/or The presence of a component does not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components and/or groupings of these.
  • an element defined by the statement “comprising a " does not preclude the presence of additional identical elements in the process, method or apparatus comprising the element.
  • the disclosed methods and products can be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of units may only be a logical function division.
  • multiple units or components may be combined or may be Integrate into another system, or some features may be ignored, or not implemented.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of devices or units may be in electrical, mechanical or other forms.
  • a unit described as a separate component may or may not be physically separated, and a component displayed as a unit may or may not be a physical unit, that is, it may be located in one place, or may be distributed to multiple network units. Some or all of the units can be selected according to actual needs to implement this embodiment.
  • each functional unit in the embodiments of the present disclosure may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit.

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Led Device Packages (AREA)

Abstract

La présente demande se rapporte au domaine technique de l'optique et divulgue un dispositif électroluminescent. Le dispositif électroluminescent comprend : une couche de conversion de lumière ; un réseau, qui est disposé au niveau d'un côté de la couche de conversion de lumière ; et un capteur, qui est disposé dans la couche de conversion de lumière et/ou le réseau. Au moyen du capteur qui est disposé dans la couche de conversion de lumière et/ou le réseau, c'est-à-dire que le capteur étant disposé dans le dispositif électroluminescent, le problème technique d'une position d'agencement singulier d'un capteur peut être résolu ; et au moyen de l'agencement du capteur dans le dispositif électroluminescent au lieu d'agencer le capteur comme indépendant du dispositif électroluminescent, l'épaisseur globale du capteur et du dispositif électroluminescent peut également être réduite. La présente demande concerne en outre un appareil d'affichage.
PCT/CN2023/072500 2022-01-25 2023-01-17 Dispositif électroluminescent et appareil d'affichage WO2023143218A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202210084602.4 2022-01-25
CN202210084602.4A CN114122231B (zh) 2022-01-25 2022-01-25 发光器件及显示装置

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WO2023143218A1 true WO2023143218A1 (fr) 2023-08-03

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CN (1) CN114122231B (fr)
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WO (1) WO2023143218A1 (fr)

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CN114122231B (zh) * 2022-01-25 2023-02-03 北京芯海视界三维科技有限公司 发光器件及显示装置
CN114114493A (zh) * 2022-01-25 2022-03-01 北京芯海视界三维科技有限公司 发光器件及显示装置

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CN105144841A (zh) * 2013-04-15 2015-12-09 株式会社半导体能源研究所 发光装置
CN106842680A (zh) * 2017-01-16 2017-06-13 友达光电股份有限公司 像素结构与具有此像素结构的显示面板
CN106950630A (zh) * 2017-05-22 2017-07-14 京东方科技集团股份有限公司 一种光栅及立体显示装置
CN109683364A (zh) * 2019-02-18 2019-04-26 京东方科技集团股份有限公司 显示基板、显示装置、显示基板的制造方法
CN112701207A (zh) * 2021-03-23 2021-04-23 北京芯海视界三维科技有限公司 发光器件及其设置功能件的方法、显示装置
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CN114122231A (zh) * 2022-01-25 2022-03-01 北京芯海视界三维科技有限公司 发光器件及显示装置

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