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1. WO2022001425 - LIGHT EMITTING SUBSTRATE AND PREPARATION METHOD THEREFOR, AND DISPLAY APPARATUS

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Publication Number WO/2022/001425
Publication Date 06.01.2022
International Application No. PCT/CN2021/094144
International Filing Date 17.05.2021
IPC
H01L 33/62 2010.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
33Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
48characterised by the semiconductor body packages
62Arrangements for conducting electric current to or from the semiconductor body, e.g. leadframe, wire-bond or solder balls
CPC
G02F 1/1336
GPHYSICS
02OPTICS
FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
1Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
01for the control of the intensity, phase, polarisation or colour 
13based on liquid crystals, e.g. single liquid crystal display cells
133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
1333Constructional arrangements; ; Manufacturing methods
1335Structural association of cells with optical devices, e.g. polarisers or reflectors
1336Illuminating devices
G02F 1/133603
GPHYSICS
02OPTICS
FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
1Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
01for the control of the intensity, phase, polarisation or colour 
13based on liquid crystals, e.g. single liquid crystal display cells
133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
1333Constructional arrangements; ; Manufacturing methods
1335Structural association of cells with optical devices, e.g. polarisers or reflectors
1336Illuminating devices
133602Direct backlight
133603with LEDs
G03F 7/20
GPHYSICS
03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
FPHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR;
7Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
20Exposure; Apparatus therefor
H01L 33/62
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
33Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
48characterised by the semiconductor body packages
62Arrangements for conducting electric current to or from the semiconductor body, e.g. lead-frames, wire-bonds or solder balls
Applicants
  • 京东方科技集团股份有限公司 BOE TECHNOLOGY GROUP CO., LTD. [CN]/[CN]
  • 合肥鑫晟光电科技有限公司 HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD. [CN]/[CN]
Inventors
  • 谢晓冬 XIE, Xiaodong
  • 何敏 HE, Min
  • 王静 WANG, Jing
  • 张天宇 ZHANG, Tianyu
  • 赵雪 ZHAO, Xue
  • 钟腾飞 ZHONG, Tengfei
Agents
  • 北京市柳沈律师事务所 LIU, SHEN & ASSOCIATES
Priority Data
202010621948.430.06.2020CN
Publication Language Chinese (zh)
Filing Language Chinese (ZH)
Designated States
Title
(EN) LIGHT EMITTING SUBSTRATE AND PREPARATION METHOD THEREFOR, AND DISPLAY APPARATUS
(FR) SUBSTRAT ÉLECTROLUMINESCENT ET SON PROCÉDÉ DE PRÉPARATION, ET APPAREIL D'AFFICHAGE
(ZH) 发光基板及其制备方法、显示装置
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Abstract
(EN) A light emitting substrate and a preparation method therefor, and a display apparatus, the preparation method comprising: providing a base substrate (11); using a first mask to form a first conductive pattern (110) on the base substrate (11); using a second mask to form a first insulating layer (151) and a first through hole (H1) and a second through hole (H2) on the first conductive pattern (110); using the first mask to form a second conductive pattern (120) on the first insulating layer (151), the second conductive pattern (120) being electrically connected to the first conductive pattern (110) by means of the first through hole (H1) and the second through hole (H2); using the second mask to form a second insulating layer (152) and a third through hole (H3) and a fourth through hole (H4) on the second conductive pattern (120); and using a third mask to form a third conductive pattern (130) on the second insulating layer (152), the third conductive pattern (130) being electrically connected to the second conductive pattern (120) by means of the third through hole (H3).
(FR) Substrat électroluminescent et son procédé de préparation et appareil d'affichage, le procédé de préparation consistant à : fournir un substrat de base (11) ; utiliser un premier masque pour former un premier motif conducteur (110) sur le substrat de base (11) ; utiliser un deuxième masque pour former une première couche isolante (151) et un premier orifice traversant (H1) et un deuxième orifice traversant (H2) sur le premier motif conducteur (110) ; utiliser le premier masque pour former un deuxième motif conducteur (120) sur la première couche isolante (151), le deuxième motif conducteur (120) étant électriquement connecté au premier motif conducteur (110) au moyen du premier orifice traversant (H1) et du deuxième orifice traversant (H2) ; utiliser le deuxième masque pour former une seconde couche isolante (152) et un troisième orifice traversant (H3) et un quatrième orifice traversant (H4) sur le deuxième motif conducteur (120) ; et utiliser un troisième masque pour former un troisième motif conducteur (130) sur la seconde couche isolante (152), le troisième motif conducteur (130) étant électriquement connecté au deuxième motif conducteur (120) au moyen du troisième orifice traversant (H3).
(ZH) 一种发光基板及其制备方法、显示装置，该制备方法包括：提供衬底基板（11）；利用第一掩模板在衬底基板（11）上形成第一导电图案（110）；利用第二掩模板在第一导电图案（110）上形成第一绝缘层（151）以及第一过孔（H1）和第二过孔（H2）；利用第一掩模板在第一绝缘层（151）上形成第二导电图案（120），第二导电图案（120）通过第一过孔（H1）和第二过孔（H2）与第一导电图案（110）电连接；利用第二掩模板在第二导电图案（120）上形成第二绝缘层（152）以及第三过孔（H3）和第四过孔（H4）；利用第三掩模板在第二绝缘层（152）上形成第三导电图案（130），第三导电图案（130）通过第三过孔（H3）与第二导电图案（120）电连接。
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