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1. WO2020107644 - THIN BACKLIGHT MODULE AND METHOD FOR MANUFACTURING SAME

Publication Number WO/2020/107644
Publication Date 04.06.2020
International Application No. PCT/CN2019/070257
International Filing Date 03.01.2019
IPC
G02F 1/13357 2006.01
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
1335Structural association of cells with optical devices, e.g. polarisers or reflectors
13357Illuminating devices
CPC
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
G02F 1/133606
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
133606including a specially adapted diffusing, scattering or light controlling members
G02F 1/133609
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
133609including means for improving the color mixing, e.g. white
G02F 1/133615
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
133615Edge-illuminating devices, i.e. illuminating from the side
G02F 2001/133614
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
133614the light is generated by photoluminescence, e.g. a phosphor is illuminated by UV or blue light
Applicants
  • 武汉华星光电技术有限公司 WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD. [CN]/[CN]
Inventors
  • 查国伟 ZHA, Guowei
Agents
  • 深圳翼盛智成知识产权事务所(普通合伙) ESSEN PATENT&TRADEMARK AGENCY
Priority Data
201811430360.X28.11.2018CN
Publication Language Chinese (ZH)
Filing Language Chinese (ZH)
Designated States
Title
(EN) THIN BACKLIGHT MODULE AND METHOD FOR MANUFACTURING SAME
(FR) MODULE DE RÉTROÉCLAIRAGE MINCE ET SON PROCÉDÉ DE FABRICATION
(ZH) 薄型背光模组及其制作方法
Abstract
(EN)
A thin backlight module and a method for manufacturing the same. The thin backlight module comprises a driving substrate (1), a plurality of light sources (2), a fluorescent layer (3), and a plurality of particle microstructures (5). The light sources (2) are arranged in an array on the driving substrate (1). A plurality of surface microstructures (4) are disposed at a surface of the fluorescent layer (3), and respectively correspond to the light sources (2). The particle microstructures (5) respectively correspond to the surface microstructures (4), wherein the particle microstructures (5) and the surface microstructures (4) together form a guiding layer for scattering light from the light sources (2). The invention allows a smaller light mixing distance, and can be used to produce ultra-thin backlight modules.
(FR)
L'invention concerne un module de rétroéclairage mince et son procédé de fabrication. Le module de rétroéclairage mince comprend un substrat d'entraînement (1), une pluralité de sources de lumière (2), une couche fluorescente (3) et une pluralité de microstructures de particules (5). Les sources de lumière (2) sont agencées en un réseau sur le substrat d'entraînement (1). Une pluralité de microstructures de surface (4) sont disposées sur une surface de la couche fluorescente (3), et correspondent respectivement aux sources de lumière (2). Les microstructures de particules (5) correspondent respectivement aux microstructures de surface (4), les microstructures de particules (5) et les microstructures de surface (4) formant ensemble une couche de guidage pour diffuser la lumière provenant des sources de lumière (2). L'invention permet une petite distance de mélange de la lumière, et peut être utilisée pour produire des modules de rétroéclairage ultra-minces.
(ZH)
一种薄型背光模组及其制作方法,其中薄型背光模组包括驱动基板(1)、多个发光源(2)、荧光层(3)及多个粒子微结构(5);每一发光源(2)阵列布设于驱动基板(1)上;荧光层(3)表面设置有多个表面微结构(4),每一表面微结构(4)对应每一发光源(2);每一粒子微结构(5)对应每一表面微结构(4)设置,其中粒子微结构(5)与表面微结构(4)共同构成散射发光源(2)光线的引导层。可以实现更小的混光距离并达到超薄的背光模组厚度。
Also published as
Latest bibliographic data on file with the International Bureau