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CN106292062A - Backlight module and there is the liquid crystal display of this backlight module - Google Patents

Backlight module and there is the liquid crystal display of this backlight module Download PDF

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Publication number
CN106292062A
CN106292062A CN201610685642.9A CN201610685642A CN106292062A CN 106292062 A CN106292062 A CN 106292062A CN 201610685642 A CN201610685642 A CN 201610685642A CN 106292062 A CN106292062 A CN 106292062A
Authority
CN
China
Prior art keywords
light
incidence surface
emitting area
led
projection
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201610685642.9A
Other languages
Chinese (zh)
Inventor
散迎志
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan China Star Optoelectronics Technology Co Ltd
Original Assignee
Wuhan China Star Optoelectronics Technology Co Ltd
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 Wuhan China Star Optoelectronics Technology Co Ltd filed Critical Wuhan China Star Optoelectronics Technology Co Ltd
Priority to CN201610685642.9A priority Critical patent/CN106292062A/en
Publication of CN106292062A publication Critical patent/CN106292062A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices 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
    • G02F1/01Devices 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 for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices 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 for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • G02F1/133603Direct backlight with LEDs
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0031Reflecting element, sheet or layer
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0081Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0086Positioning aspects
    • G02B6/0088Positioning aspects of the light guide or other optical sheets in the package
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0081Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0086Positioning aspects
    • G02B6/009Positioning aspects of the light source in the package
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices 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
    • G02F1/01Devices 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 for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices 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 for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • G02F1/133605Direct backlight including specially adapted reflectors
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices 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
    • G02F1/01Devices 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 for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices 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 for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • G02F1/133608Direct backlight including particular frames or supporting means

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Planar Illumination Modules (AREA)

Abstract

The invention discloses a kind of backlight module, comprising: glue frame, have multiple frame side plate, multiple frame side plate two ends each other connect, to form accommodation space;Light guide plate, has at least one incidence surface, and light guide plate is placed in accommodation space, so that incidence surface is relative with one of multiple frame side plates;Multiple LED, are intervally installed on the first surface towards incidence surface of one of multiple frame side plates, and LED is three luminous LED;Wherein, first surface convexes to form multiple projection along the direction towards incidence surface, and each LED is between two corresponding projections, and projection is for reflexing to incidence surface by the light except the light-emitting area outgoing in addition to the light-emitting area of incidence surface of LED.By arranging the projection being capable of reflecting light line on glue frame, the light that the light-emitting area in addition to just to the light-emitting area of the incidence surface of light guide plate that three emitting led sends is reflexed to described incidence surface, to improve the utilization rate of three emitting led light sent, thus it is beneficial to improve the light efficiency of backlight module.

Description

Backlight module and there is the liquid crystal display of this backlight module
Technical field
The invention belongs to technical field of liquid crystal display, specifically, relate to a kind of backlight module and there is this backlight module Liquid crystal display.
Background technology
Along with the evolution of photoelectricity Yu semiconductor technology, also drive the fluffy of flat faced display (Flat Panel Display) The exhibition of breaking out, and in many flat faced displays, liquid crystal display (Liquid Crystal Display, LCD) is because having high-altitude Between many advantageous characteristic such as utilization ratio, low consumpting power, radiationless and low EMI, be applied to productive life Various aspects.
Liquid crystal display generally includes the liquid crystal panel and backlight module being oppositely arranged, and wherein, backlight module provides uniformly Light to liquid crystal panel so that liquid crystal panel show image.Existing backlight is framed generally includes glue frame, light guide plate, optics Diaphragm and LED etc..Current common LED includes the most illuminated LED and the illuminated LED in side, and wherein the illuminated LED in side is divided into again list Face light extracting LED and three light extracting LEDs.
Three light extracting LEDs include the first light-emitting area of just incidence surface to light guide plate and are carried on the back by the two ends of the first light-emitting area The second light-emitting area and the 3rd light-emitting area formed respectively, the light wherein sent is extended except the first light-emitting area to the incidence surface of light guide plate Outside line is used effectively in being directly entered light guide plate, the light that the second light-emitting area and the 3rd light-emitting area send all can not directly enter Entering in light guide plate, the utilization rate causing the light that three light extracting LEDs send is the lowest, thus is unfavorable for improving the luminous energy of backlight module Efficiency.
Summary of the invention
In order to solve above-mentioned technical problem, it is an object of the invention to provide a kind of backlight module, comprising: glue frame, tool Having multiple frame side plate, the plurality of frame side plate two ends each other connect, to form accommodation space;Light guide plate, has at least one and enters Bright finish, described light guide plate is placed in described accommodation space, so that described incidence surface is relative with one of the plurality of frame side plate;Many Individual LED, is intervally installed on the first surface towards described incidence surface of one of the plurality of frame side plate, and described LED is Three luminous LED;Wherein, described first surface convexes to form multiple projection along the direction towards described incidence surface, each LED between two corresponding projections, described projection for by described LED in addition to the light-emitting area towards described incidence surface The light of light-emitting area outgoing reflex to described incidence surface.
Another object of the present invention also resides in a kind of liquid crystal display of offer, including the liquid crystal panel being oppositely arranged and described Backlight module, the described backlight module uniform light of offer is to described liquid crystal panel, so that described liquid crystal panel show image.
Further, described LED includes the first light-emitting area towards described incidence surface and by described first light-emitting area Opposite end is respectively facing described first surface and extends the second light-emitting area and the 3rd light-emitting area formed, and described projection is for by institute The light stating the second light-emitting area and described 3rd light-emitting area outgoing reflexes to described incidence surface.
Further, the cross sectional shape of described projection is isosceles triangle, and the summit of described isosceles triangle is pointed to described Incidence surface.
Further, the cross sectional shape of described projection includes base and two protruding in opposite directions arc-shaped edges, described two The one end on one of arc limit is connected with the one end on described base, another the one end on described two arc limits and the other end on described base Connecting, the other end on described two arc limits connects and points to described incidence surface.
Further, the cross sectional shape of described projection includes two arc-shaped edges of base and opposing projection, described two The one end on one of arc limit is connected with the one end on described base, another the one end on described two arc limits and the other end on described base Connecting, the other end on described two arc limits connects and points to described incidence surface.
Beneficial effects of the present invention: by arranging the projection being capable of reflecting light line on glue frame, by three luminous LED's Except the light just sent the light-emitting area in addition to the light-emitting area of the incidence surface of light guide plate reflexes to the incidence surface of light guide plate, to improve The utilization rate of the light that three luminous LED send, thus it is beneficial to improve the light efficiency of backlight module.
Accompanying drawing explanation
By combining the following description that accompanying drawing is carried out, above and other aspect, feature and the advantage of embodiments of the invention Will become clearer from, in accompanying drawing:
Fig. 1 is the structural representation of liquid crystal display according to an embodiment of the invention;
Fig. 2 is the structural representation of backlight module according to an embodiment of the invention;
Fig. 3 is the structural representation of backlight module according to another embodiment of the present invention;
Fig. 4 is the structural representation of backlight module according to still another embodiment of the invention.
Detailed description of the invention
Hereinafter, with reference to the accompanying drawings to describe embodiments of the invention in detail.However, it is possible to come real in many different forms Execute the present invention, and the present invention should not be construed as limited to the specific embodiment that illustrates here.On the contrary, it is provided that these are implemented Example is to explain the principle of the present invention and actual application thereof, so that others skilled in the art are it will be appreciated that the present invention Various embodiments and be suitable for the various amendments of specific intended application.Identical label represents identical unit the most all the time Part.
It will be appreciated that and although term first, second etc. here can be used to describe various element, but these elements Should not be limited by these terms.These terms are intended merely to separate an element with another element region, need not necessarily Imply certain order.Therefore, without departing from the teachings of the present invention, the first element in some embodiments can be at it His embodiment is named as the second element.Many embodiments of the present inventive concept explained here and illustrate include them Supplementary counterpart.
Fig. 1 is the structural representation of liquid crystal display according to an embodiment of the invention.
With reference to Fig. 1, liquid crystal display includes according to an embodiment of the invention: the liquid crystal panel 100 being oppositely arranged and the back of the body Optical module 200.Backlight module 200 provide uniform light to liquid crystal panel 100 so that liquid crystal panel 100 is by backlight module 200 provide uniform light and show image.
Generally, liquid crystal panel 100 includes color membrane substrates (CF substrate) 110 and array base palte (the Array base being oppositely arranged Plate) 120 and the liquid crystal layer 130 that is located between color membrane substrates 110 and array base palte 120, if wherein liquid crystal layer 130 having Dry liquid crystal molecule.
Hereinafter backlight module 200 according to an embodiment of the invention is described in detail.Fig. 2 is according to the present invention The structural representation of the backlight module of embodiment.
With reference to Fig. 2, backlight module 200 includes according to an embodiment of the invention: glue frame 210, light guide plate 220, multiple LED230.It should be appreciated that backlight module 200 can also include such as blooming piece, anti-according to an embodiment of the invention Penetrate the optical element of other suitable type such as sheet.
Specifically, glue frame 210 includes four frame side plates 211, and wherein these four frame side plate 211 two ends each other connect, To form an accommodation space 212.The overall rectangular shaped of accommodation space 212, but the present invention is not restricted to this, such as when glue frame 210 when including three frame side plates 211, surrounds the overall shape triangular in shape of accommodation space of formation;Or when glue frame 210 includes one During individual rounded frame side plate 211, accommodation space circular in shape.
Light guide plate 220 is in tabular, and it is placed in accommodation space 212.Light guide plate 220 includes an incidence surface 221 and Exiting surface 222.Incidence surface 221 is the one side of light guide plate 220, and exiting surface 222 is the end face of light guide plate 220.As the present invention Another embodiment, when two or more incidence surface of needs, can be by relative two in the four of light guide plate 220 side Three sides in individual side or four sides or four sides are as incidence surface.
After light guide plate 220 is contained in accommodation space 212, one of four frame side plates 211 are relative with incidence surface 221.Fig. 1 Shown liquid crystal panel 100 may be disposed on four frame side plates 211 of glue frame 210, so that exiting surface 222 and liquid crystal panel 100 is relative.
Multiple LED230 are fixedly installed the first surface 211a towards incidence surface 221 of one of described four frame side plates 211 On.Wherein LED230 is three luminous LED.Specifically, LED230 include towards incidence surface 221 the first light-emitting area 231 with And it is respectively facing, by the opposite end of the first light-emitting area 231, the second light-emitting area 232 and the 3rd that first surface 221a extension is formed Light-emitting area 233, the direct outgoing of light that wherein the first light-emitting area 231 sends is to incidence surface 221.
First surface 211a convexes to form multiple projection 213 along the direction towards incidence surface 221, and each LED230 is positioned at Between two corresponding projections 213.It is to say, multiple LED230 and multiple projection 213 are arranged alternately at first surface 211a On.Projection 213 for by LED230 except the light-emitting area in addition to the light-emitting area (the i.e. first light-emitting area 231) of incidence surface 221 The light that (i.e. second light-emitting area 232 and the 3rd light-emitting area 233) sends reflexes to incidence surface 221.
Such as, in fig. 2, the direct outgoing of light that the first light-emitting area 231 sends is to incidence surface 221, and the second light-emitting area 232 and the 3rd the beam projecting that sends of light-emitting area 233 on projection 213, after reflecting via projection 213, outgoing is to incidence surface 221. In Fig. 2, represent the light path of light that each light-emitting area sends with arrow line.
In the present embodiment, the V-shaped structure of projection 213.Specifically, the cross sectional shape of projection 213 is isosceles triangle, and Incidence surface 221 is pointed on the summit of this isosceles triangle, and wherein the waist of this isosceles triangle can be by the second light-emitting area 232 and the 3rd The light that light-emitting area 233 sends reflexes to incidence surface 221.
Fig. 3 is the structural representation of backlight module according to another embodiment of the present invention.
With reference to Fig. 3, unlike the structure of the backlight module shown in Fig. 2, the cross sectional shape of projection 213 ' includes base 213a ' and two protruding toward each other arc-shaped edges 213b ', one end of one of described two arc-shaped edges 213b ' and base One end of 213a ' connects, and another one end of described two arc-shaped edges 213b ' is connected with the other end of base 213a ', and described two The other end of bar arc-shaped edges 213b ' connects and points to incidence surface 221.Owing to base 213a ' and first surface 221a merges, therefore It is represented by dotted lines base 213a ' in figure 3.
The direct outgoing of light that first light-emitting area 231 sends is to incidence surface 221, and the second light-emitting area 232 and the 3rd is luminous The beam projecting that face 233 sends is on projection 213 ', and after reflecting via projection 213 ', outgoing is to incidence surface 221.In figure 3, with Arrow line represents the light path of the light that each light-emitting area sends.
In the present embodiment, described two articles of arc-shaped edges 213b ' can be by the second light-emitting area 232 and the 3rd light-emitting area 233 The light gone out reflexes to incidence surface 221.
Fig. 4 is the structural representation of backlight module according to still another embodiment of the invention.
With reference to Fig. 4, unlike the structure of the backlight module shown in Fig. 2, projection 213 " cross sectional shape include base 213a " and two arc-shaped edges 213b of projection away from one another ", described two arc-shaped edges 213b " one of one end and base 213a " one end connect, described two arc-shaped edges 213b " another one end and base 213a " the other end be connected, described two Bar arc-shaped edges 213b " the other end connect and point to incidence surface 221.Due to base 213a " merge, therefore with first surface 221a It is represented by dotted lines base 213a in the diagram ".
The direct outgoing of light that first light-emitting area 231 sends is to incidence surface 221, and the second light-emitting area 232 and the 3rd is luminous The beam projecting that face 233 sends is to projection 213 " on, via projection 213 " reflection after outgoing to incidence surface 221.In the diagram, with Arrow line represents the light path of the light that each light-emitting area sends.
In the present embodiment, described two articles of arc-shaped edges 213b " can be by the second light-emitting area 232 and the 3rd light-emitting area 233 The light gone out reflexes to incidence surface 221.
In sum, by arranging the projection being capable of reflecting light line, removing three luminous LED just to leading on glue frame The light that light-emitting area outside the light-emitting area of the incidence surface of tabula rasa sends reflexes to the incidence surface of light guide plate, to improve three luminescences The utilization rate of light that sends of LED, thus be beneficial to improve the light efficiency of backlight module.
Although illustrate and describing the present invention with reference to specific embodiment, but it should be appreciated by those skilled in the art that: In the case of without departing from the spirit and scope of the present invention limited by claim and equivalent thereof, can carry out at this form and Various changes in details.

Claims (10)

1. a backlight module, it is characterised in that including:
Glue frame, has multiple frame side plate, and the plurality of frame side plate two ends each other connect, to form accommodation space;
Light guide plate, has at least one incidence surface, and described light guide plate is placed in described accommodation space, so that described incidence surface and institute State one of multiple frame side plate relative;
Multiple LED, are intervally installed on the first surface towards described incidence surface of one of the plurality of frame side plate, described LED is three luminous LED;
Wherein, described first surface convexes to form multiple projection along the direction towards described incidence surface, and each LED is positioned at correspondence Two projections between, described projection is for going out the light-emitting area in addition to the light-emitting area towards described incidence surface of described LED The light penetrated reflexes to described incidence surface.
Backlight module the most according to claim 1, it is characterised in that described LED includes first towards described incidence surface Light-emitting area and the opposite end by described first light-emitting area are respectively facing described first surface and extend the second light-emitting area formed With the 3rd light-emitting area, described projection is described for being reflexed to by the light of described second light-emitting area and described 3rd light-emitting area outgoing Incidence surface.
Backlight module the most according to claim 1 and 2, it is characterised in that the cross sectional shape of described projection is isoceles triangle Shape, described incidence surface is pointed on the summit of described isosceles triangle.
Backlight module the most according to claim 1 and 2, it is characterised in that the cross sectional shape of described projection include base with And two protruding in opposite directions arc-shaped edges, the one end on one of described two arc limits is connected with the one end on described base, described two arcs Another the one end on limit is connected with the other end on described base, and the other end on described two arc limits connects and enters light described in sensing Face.
Backlight module the most according to claim 1 and 2, it is characterised in that the cross sectional shape of described projection include base with And two arc-shaped edges of opposing projection, the one end on one of described two arc limits is connected with the one end on described base, described two arcs Another the one end on limit is connected with the other end on described base, and the other end on described two arc limits connects and enters light described in sensing Face.
6. a liquid crystal display, including the liquid crystal panel being oppositely arranged and backlight module, described backlight module provides uniform Light gives described liquid crystal panel, so that described liquid crystal panel show image, it is characterised in that described backlight module includes:
Glue frame, has multiple frame side plate, and the plurality of frame side plate two ends each other connect, to form accommodation space;
Light guide plate, has at least one incidence surface and at least one exiting surface, and described light guide plate is placed in described accommodation space, so that Described incidence surface is relative with one of the plurality of frame side plate, and described exiting surface is relative with described liquid crystal panel;
Multiple LED, are intervally installed on the first surface towards described incidence surface of one of the plurality of frame side plate, described LED is three luminous LED;
Wherein, described first surface convexes to form multiple projection along the direction towards described incidence surface, and each LED is positioned at correspondence Two projections between, described projection is for going out the light-emitting area in addition to the light-emitting area towards described incidence surface of described LED The light penetrated reflexes to described incidence surface.
Liquid crystal display the most according to claim 6, it is characterised in that described LED includes towards described incidence surface One light-emitting area and the opposite end by described first light-emitting area are respectively facing described first surface and extend the second luminescence formed Face and the 3rd light-emitting area, described projection is for reflexing to institute by the light of described second light-emitting area and described 3rd light-emitting area outgoing State incidence surface.
8. according to the liquid crystal display described in claim 6 or 7, it is characterised in that the cross sectional shape of described projection is isosceles three Dihedral, described incidence surface is pointed on the summit of described isosceles triangle.
9. according to the liquid crystal display described in claim 6 or 7, it is characterised in that the cross sectional shape of described projection includes base And two protruding in opposite directions arc-shaped edges, the one end on one of described two arc limits is connected with the one end on described base, described two Another the one end on arc limit is connected with the other end on described base, and the other end on described two arc limits connects and enters light described in sensing Face.
10. according to the liquid crystal display described in claim 6 or 7, it is characterised in that the cross sectional shape of described projection includes base And two arc-shaped edges of opposing projection, the one end on one of described two arc limits is connected with the one end on described base, described two Another the one end on arc limit is connected with the other end on described base, and the other end on described two arc limits connects and enters light described in sensing Face.
CN201610685642.9A 2016-08-18 2016-08-18 Backlight module and there is the liquid crystal display of this backlight module Pending CN106292062A (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107991805A (en) * 2017-11-14 2018-05-04 青岛海信电器股份有限公司 A kind of side entrance back module and display device
CN111028714A (en) * 2019-12-26 2020-04-17 惠州市华星光电技术有限公司 A backplane structure and display device

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CN1928653A (en) * 2005-09-05 2007-03-14 清华大学 Backlight system and reflecting shade for same
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107991805A (en) * 2017-11-14 2018-05-04 青岛海信电器股份有限公司 A kind of side entrance back module and display device
CN111028714A (en) * 2019-12-26 2020-04-17 惠州市华星光电技术有限公司 A backplane structure and display device

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