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1. WO2016141669 - LIGHT GUIDE PLATE ASSEMBLY AND DISPLAY DEVICE

Publication Number WO/2016/141669
Publication Date 15.09.2016
International Application No. PCT/CN2015/085933
International Filing Date 03.08.2015
IPC
G02B 6/00 2006.01
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
6Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
G02F 1/1335 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
CPC
G02B 6/0041
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
6Light guides
0001specially adapted for lighting devices or systems
0011the light guides being planar or of plate-like form
0033Means for improving the coupling-out of light from the light guide
0035provided on the surface of the light guide or in the bulk of it
004Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
0041provided in the bulk of the light guide
G02B 6/0053
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
6Light guides
0001specially adapted for lighting devices or systems
0011the light guides being planar or of plate-like form
0033Means for improving the coupling-out of light from the light guide
005provided by one optical element, or plurality thereof, placed on the light output side of the light guide
0053Prismatic sheet or layer; Brightness enhancement element, sheet or layer
G02B 6/0061
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
6Light guides
0001specially adapted for lighting devices or systems
0011the light guides being planar or of plate-like form
0033Means for improving the coupling-out of light from the light guide
0058varying in density, size, shape or depth along the light guide
0061to provide homogeneous light output intensity
G02B 6/0065
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
6Light guides
0001specially adapted for lighting devices or systems
0011the light guides being planar or of plate-like form
0065Manufacturing aspects; Material aspects
G02F 1/1335
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
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
Applicants
  • 京东方科技集团股份有限公司 BOE TECHNOLOGY GROUP CO., LTD. [CN]/[CN]
Inventors
  • 李会 LI, Hui
  • 刘晴 LIU, Qing
Agents
  • 中科专利商标代理有限责任公司 CHINA SCIENCE PATENT & TRADEMARK AGENT LTD.
Priority Data
201510104556.X10.03.2015CN
Publication Language Chinese (ZH)
Filing Language Chinese (ZH)
Designated States
Title
(EN) LIGHT GUIDE PLATE ASSEMBLY AND DISPLAY DEVICE
(FR) ENSEMBLE PLAQUE DE GUIDAGE DE LUMIÈRE ET DISPOSITIF D'AFFICHAGE
(ZH) 导光板组件和显示装置
Abstract
(EN)
A light guide plate assembly and a display device comprising the light guide plate assembly. The light guide plate assembly comprises a light guide plate (31) and a light coupling component (32), the light coupling component (32) being jointed to the light guide plate (31); the light coupling component (32) comprises: a plate-shaped part (320), and a plurality of prism parts (321, 322, 323, 324); the plurality of prism parts (321, 322, 323, 324) is formed on the plate-shaped part (320), wherein each of the prism parts (321, 322, 323, 324) is provided with a planar top surface, and the top surface is jointed to a light emergent surface of the light guide plate (31); and each of the prism parts (321, 322, 323, 324) is provided with a reflecting side surface which is constructed to reflect incident light towards the light emergent surface of the light coupling component (32) through total reflection.
(FR)
L'invention porte sur un ensemble plaque de guidage de lumière et sur un dispositif d'affichage comprenant l'ensemble plaque de guidage de lumière. L'ensemble plaque de guidage de lumière comprend une plaque de guidage de lumière (31) et un composant de couplage de lumière (32), le composant de couplage de lumière (32) étant relié à la plaque de guidage de lumière (31) ; le composant de couplage de lumière (32) comprend : une partie en forme de plaque (320) et une pluralité de parties prismatiques (321, 322, 323, 324) ; les multiples parties prismatiques (321, 322, 323, 324) sont formées sur la partie en forme de plaque (320), les parties prismatiques (321, 322, 323, 324) comprenant chacune une surface supérieure plane et la surface supérieure étant reliée à une surface d'émergence de lumière de la plaque de guidage de lumière (31) ; et les parties prismatiques (321, 322, 323, 324) comprenant chacune une surface latérale de réflexion qui est construite de sorte à réfléchir la lumière incidente vers la surface d'émergence de lumière du composant de couplage de lumière (32) grâce à une réflexion totale.
(ZH)
一种导光板组件以及包括该导光板组件的显示装置,该导光板组件包括导光板(31)和光耦合部件(32),光耦合部件(32)被接合到导光板(31),所述光耦合部件(32)包括:板状部(320);和多个棱镜部(321、322、323、324),所述多个棱镜部(321、322、323、324)形成在板状部(320)上。其中,每个棱镜部(321、322、323、324)具有平面状的顶面,所述顶面与导光板(31)的出光面接合,并且每个棱镜部(321、322、323、324)具有被构造成将入射光通过全反射朝向光耦合部件(32)的出光面反射的反射侧面。
Also published as
Latest bibliographic data on file with the International Bureau