CN105242458A - Liquid crystal display device and lateral entering type display module thereof - Google Patents
Liquid crystal display device and lateral entering type display module thereof Download PDFInfo
- Publication number
- CN105242458A CN105242458A CN201510790739.1A CN201510790739A CN105242458A CN 105242458 A CN105242458 A CN 105242458A CN 201510790739 A CN201510790739 A CN 201510790739A CN 105242458 A CN105242458 A CN 105242458A
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- China
- Prior art keywords
- light
- display module
- guide plate
- light guide
- height
- 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.)
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL 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
- G02F1/00—Devices 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
- G02F1/01—Devices 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
- G02F1/13—Devices 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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light 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
- G02B6/0066—Light 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 characterised by the light source being coupled to the light guide
- G02B6/0073—Light emitting diode [LED]
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL 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
- G02F1/00—Devices 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
- G02F1/01—Devices 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
- G02F1/13—Devices 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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
- G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
Abstract
The invention discloses a liquid crystal display device and a lateral entering type display module thereof. The lateral entering type display module comprises a lamp set, a light guide plate, multiple optical films, a black and white glue and a display screen, wherein the lamp set is used for supplying a light source to the display module; the light guide plate comprises a light entering part and a light emitting part; a light entering plane is arranged at one end of the light entering part; a light emitting plane is arranged on the upper part of the light emitting part; the light entering plane is vertical to the light emitting plane; the lamp set is arranged close to the light entering plane; a wedge-shaped port is further formed on the upper part of the light entering part; the height of the light emitting part of the light guide plate is less than that of the light entering part of the light guide plate; the multiple optical films, the black and white glue and the display screen are arranged on the light emitting plane of the light guide plate in turn. In such a mode, the liquid crystal display device can be used for reducing the thickness of the display module and increasing the competitiveness of the products.
Description
Technical field
The present invention relates to technical field of liquid crystal display, particularly relate to a kind of liquid crystal indicator and side entering type display module thereof.
Background technology
Along with the development of science and technology, ultrathin products becomes the important directions of mobile device product design.Therefore, the thickness of the display module of mobile device also requires more and more thinner, and then causes the display height of light guide plate (LightGuidePlate, LGP) of module and the collocation of the height of LED group and selection and comparison difficult.
Summary of the invention
The technical matters that the present invention mainly solves is to provide a kind of liquid crystal indicator and side entering type display module thereof, to solve the problem.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of side entering type to show module, it comprises:
Lamp group, for providing light source for display module;
Light guide plate, comprise light in part and light out part, one end of light in part is provided with incidence surface, the top of light out part is provided with exiting surface, incidence surface is vertical with exiting surface, lamp group presses close to be arranged on incidence surface, is provided with wedge-shaped opening further on the top of light in part, and the height of the light out part of light guide plate is less than the height of the light in part of light guide plate; And
Be successively set on the multi-layer optical membrane on the exiting surface of light guide plate, black and white glue and display screen.
Wherein, the degree of depth of wedge-shaped opening equals the height sum of the height of multi-layer optical membrane, the height of black and white glue and display screen.
Wherein, wedge-shaped opening is provided with filling material, and the upper surface of filling material and display screen are arranged on same surface level.
Wherein, display module comprises reflector plate further, and reflector plate is arranged on light guide plate away from the surface of exiting surface.
Wherein, display module comprises chase further, and chase is used for assembling lamp group, light guide plate, multi-layer optical membrane, black and white glue, display screen, filling material and reflector plate.
Wherein, lamp group is LED, and LED presses close to be arranged on incidence surface.
Wherein, multi-layer optical membrane is three layers of blooming piece or four layers of blooming piece.
For solving the problems of the technologies described above, another technical solution used in the present invention is: provide a kind of liquid crystal indicator, and it comprises display module and the center for arranging display module, and display module comprises:
Lamp group, for providing light source for display module;
Light guide plate, comprise light in part and light out part, one end of light in part is provided with incidence surface, the top of light out part is provided with exiting surface, incidence surface is vertical with exiting surface, lamp group presses close to be arranged on incidence surface, is provided with wedge-shaped opening further on the top of light in part, and the height of the light out part of light guide plate is less than the height of the light in part of light guide plate; And
Be successively set on the multi-layer optical membrane on the exiting surface of light guide plate, black and white glue and display screen.
Wherein, display module comprises reflector plate and chase further, reflector plate is arranged on light guide plate away from the surface of exiting surface, and chase is used for assembling lamp group, light guide plate, multi-layer optical membrane, black and white glue, display screen, filling material and reflector plate, and center is for assembling chase.
Wherein, liquid crystal indicator comprises cover glass and bonnet further, and cover glass is arranged on a display screen, and bonnet is arranged on the side of center away from cover glass.
The invention has the beneficial effects as follows: the situation being different from prior art, lamp group of the present invention presses close to be arranged on incidence surface, wedge-shaped opening is provided with further on the top of light in part, and the height of the light out part of light guide plate is less than the height of the light in part of light guide plate, be successively set on the multi-layer optical membrane on the exiting surface of light guide plate, black and white glue and display screen; When the height of lamp group is constant, reduces the height of the light out part of light guide plate, and multi-layer optical membrane, black and white glue and display screen are arranged on light out part, and then reduce the thickness of display module, the competitive power of improving product.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can be obtained further according to these accompanying drawings.Wherein:
Fig. 1 is the structural representation of the side entering type display module of first embodiment of the invention;
Fig. 2 is the structural representation of the liquid crystal indicator of first embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under performing creative labour prerequisite, belong to the scope of protection of the invention.
Shown in Figure 1, Fig. 1 is the structural representation of the side entering type display module of first embodiment of the invention.The side entering type display module that the present embodiment discloses is applied to liquid crystal indicator, and this liquid crystal indicator is preferably the mobile devices such as mobile phone, TV or panel computer.As shown in Figure 1, this side entering type display module comprises: lamp group 11, light guide plate 12, multi-layer optical membrane 13, black and white glue 14, display screen 15, chase 16 and reflector plate 17.
Light guide plate 12 changes area source into for light source lamp group 11 provided, to make the luminescence of side entering type display module even.This light guide plate 12 comprises light in part 121 and light out part 122, one end of light in part 121 is provided with incidence surface 123, the top of light out part 122 is provided with exiting surface 124, incidence surface 123 is vertical with exiting surface 124, and the height h1 of the light out part 122 of light guide plate 12 is less than the height h2 of the light in part 121 of light guide plate 12.Lamp group 11 is for providing light source for side entering type display module, and lamp group 11 presses close to be arranged on the incidence surface 123 of light guide plate 12, and lamp group 11 is preferably LED.In other embodiments, lamp group 11 can also be set to other light emitting source by those of ordinary skill in the art.
Be provided with wedge-shaped opening 125 further on the top of the light in part 121 of light guide plate 12, the degree of depth h3 of wedge-shaped opening 125 equals the height h4 of multi-layer optical membrane 13, the height h5 of black and white glue 14 and the height h6 sum of display screen 15, i.e. h3=h4+h5+h6.
Wedge-shaped opening 125 is provided with filling material 126, and wherein the upper surface of filling material 126 and display screen 15 are arranged in same level; Filling material 126 penetrates from the surface of wedge-shaped opening 125 for preventing the light of lamp group 11, provides light source to make the light of lamp group 11 by exiting surface 124 to display screen 15.
The exiting surface 124 of light guide plate 12 sets gradually multi-layer optical membrane 13, black and white glue 14 and display screen 15.
Multi-layer optical membrane 13 is preferably three layers of blooming piece, and three layers of otpical leaf comprise diffuser, highly enhancing film and the polarization-type high brightness enhancing film of stepped construction.In other embodiments, multi-layer optical membrane 13 can also be set to four layers of blooming piece by those of ordinary skill in the art.
Black and white glue 14 belongs to shading rubber belt, and for playing the effect pasted with shading in side entering type display module, the material of black and white glue 14 is preferably PET (polyethyleneterephthalate, polyethylene terephthalate).Display screen 15 is preferably LCDs.
Reflector plate 17 is arranged on the surface of light guide plate 12 away from exiting surface 124, and the light for being exposed light guide plate 12 bottom surface is reflected back in light guide plate 12, concentrates on exiting surface 125 project with the light source enabling lamp group 11 provide, and improves the service efficiency of light.
Chase 16 is for assembling lamp group 11, light guide plate 12, multi-layer optical membrane 13, black and white glue 14, display screen 15, filling material 126 and reflector plate 17.Wherein, lamp group 11 piece, at the inside surface of chase 16, is conducive to the thickness reducing side entering type display module; Reflector plate 17 is arranged on the bottom of chase 16, and light guide plate 12 is arranged on reflector plate 17, and the exiting surface 124 of light guide plate 12 sets gradually multi-layer optical membrane 13, black and white glue 14 and display screen 15.In other embodiments, chase 16 can also be set to the framework of other materials by those of ordinary skill in the art, such as aluminium frame, plastic frame etc.
Wherein, the light that lamp group 11 produces enters light guide plate 12 from the incidence surface 123 of light guide plate 12, and light provides light source by exiting surface 124 to display screen 15 after the conversion of light guide plate 12.
The present embodiment by arranging wedge-shaped opening 125 in light guide plate 12, the degree of depth h3 of wedge-shaped opening 125 equals the height h6 sum of the height h4 of multi-layer optical membrane 13, the height h5 of black and white glue 14 and display screen 15, when the height h2 of the light in part 121 of light guide plate 12 is constant, the height of lamp group 11 does not need to change yet, be conducive to the collocation height of light guide plate 12 and the height of lamp group 11, realize the display thickness of module and the balance of brightness; Reduce the height h1 of the light out part 122 of light guide plate 12, to set gradually multi-layer optical membrane 13, black and white glue 14 and display screen 15 on the exiting surface 124 of light guide plate 12, and then reduce the thickness of display module, the competitive power of improving product.
Shown in Figure 2, the present invention also provides a kind of liquid crystal indicator, and this liquid crystal indicator comprises: center 21, display module 22, cover glass 23 and bonnet 24.Wherein, center 21 is for arranging display module 22, and the side entering type display module that display module 22 discloses for above-described embodiment, does not repeat them here.
Wherein, center 21 is for assembling the chase of display module 22, and the chase namely showing module 22 is arranged in center 21.
Cover glass 23 is arranged on the display screen of display module 22; cover glass 23 is arranged in the display display screen of module 22 and the plane at filling material place particularly; to cover display screen and the filling material of this display module 22; cover glass 23, for the protection of the display screen of display module 22, prevents the display screen showing module 22 to be damaged.
Bonnet 24 is arranged on the side of center 21 away from cover glass 23, and bonnet 24 and center 21 form a receiving space, and this receiving space may be used for the control circuit board, loudspeaker, microphone etc. that arrange liquid crystal indicator.
Preferably, the liquid crystal indicator that the present embodiment discloses is preferably the mobile devices such as mobile phone, TV or panel computer.
In sum, the present invention by arranging wedge-shaped opening in light guide plate, the degree of depth of wedge-shaped opening equals the height sum of the height of multi-layer optical membrane, the height of black and white glue and display screen, when the height of the light in part of light guide plate is constant, the height of lamp group does not need to change yet, be conducive to the collocation height of light guide plate and the height of lamp group, realize the display thickness of module and the balance of brightness; Reduce the height of the light in part of light guide plate, to set gradually multi-layer optical membrane, black and white glue and display screen on the exiting surface of light guide plate, and then reduce the thickness of display module, the competitive power of improving product.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize instructions of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a side entering type display module, it is characterized in that, described display module comprises:
Lamp group, for providing light source for described display module;
Light guide plate, comprise light in part and light out part, one end of described light in part is provided with incidence surface, the top of described light out part is provided with exiting surface, described incidence surface is vertical with described exiting surface, described lamp group presses close to be arranged on described incidence surface, is provided with wedge-shaped opening further on the top of described light in part, and the height of the light out part of described light guide plate is less than the height of the light in part of described light guide plate; And
Be successively set on the multi-layer optical membrane on the exiting surface of described light guide plate, black and white glue and display screen.
2. display module according to claim 1, is characterized in that, the degree of depth of described wedge-shaped opening equals the height of described multi-layer optical membrane, the height of described black and white glue and the height sum of described display screen.
3. display module according to claim 1, is characterized in that, described wedge-shaped opening is provided with filling material, and upper surface and the described display screen of described filling material are arranged on same surface level.
4. display module according to claim 3, is characterized in that, described display module comprises reflector plate further, and described reflector plate is arranged on the surface of described light guide plate away from described exiting surface.
5. display module according to claim 4, is characterized in that, described display module comprises chase further, and described chase is for assembling described lamp group, light guide plate, multi-layer optical membrane, black and white glue, display screen, filling material and reflector plate.
6. display module according to claim 5, is characterized in that, described lamp group is LED, and described LED presses close to be arranged on described incidence surface.
7. display module according to claim 1, is characterized in that, described multi-layer optical membrane is three layers of blooming piece or four layers of blooming piece.
8. a liquid crystal indicator, is characterized in that, described liquid crystal indicator comprises display module and the center for arranging described display module, and described display module comprises:
Lamp group, for providing light source for described display module;
Light guide plate, comprise light in part and light out part, one end of described light in part is provided with incidence surface, the top of described light out part is provided with exiting surface, described incidence surface is vertical with described exiting surface, described lamp group presses close to be arranged on described incidence surface, is provided with wedge-shaped opening further on the top of described light in part, and the height of the light out part of described light guide plate is less than the height of the light in part of described light guide plate; And
Be successively set on the multi-layer optical membrane on the exiting surface of described light guide plate, black and white glue and display screen.
9. liquid crystal indicator according to claim 8, it is characterized in that, described display module comprises reflector plate and chase further, described reflector plate is arranged on the surface of described light guide plate away from described exiting surface, described chase is for assembling described lamp group, light guide plate, multi-layer optical membrane, black and white glue, display screen, filling material and reflector plate, and described center is for assembling described chase.
10. liquid crystal indicator according to claim 8; it is characterized in that; described liquid crystal indicator comprises cover glass and bonnet further, and described cover glass is arranged on described display screen, and described bonnet is arranged on the side of described center away from described cover glass.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510790739.1A CN105242458A (en) | 2015-11-17 | 2015-11-17 | Liquid crystal display device and lateral entering type display module thereof |
Applications Claiming Priority (1)
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CN201510790739.1A CN105242458A (en) | 2015-11-17 | 2015-11-17 | Liquid crystal display device and lateral entering type display module thereof |
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CN105242458A true CN105242458A (en) | 2016-01-13 |
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CN201510790739.1A Pending CN105242458A (en) | 2015-11-17 | 2015-11-17 | Liquid crystal display device and lateral entering type display module thereof |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106707616A (en) * | 2016-12-23 | 2017-05-24 | 上海创功通讯技术有限公司 | Backlight module and display device |
Citations (5)
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JPH08146227A (en) * | 1994-11-24 | 1996-06-07 | Kyocera Corp | Illuminator for liquid crystal display device |
JPH1062628A (en) * | 1996-08-23 | 1998-03-06 | Enplas Corp | Side light type surface light source device and manufacture of side light type surface light source device |
CN1403852A (en) * | 2001-09-06 | 2003-03-19 | 精工爱普生株式会社 | Light conduction apparatus, electro-optical device and electronic equipment |
CN202182392U (en) * | 2011-08-19 | 2012-04-04 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display |
CN103792729A (en) * | 2013-08-20 | 2014-05-14 | 友达光电股份有限公司 | Thin display module |
-
2015
- 2015-11-17 CN CN201510790739.1A patent/CN105242458A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08146227A (en) * | 1994-11-24 | 1996-06-07 | Kyocera Corp | Illuminator for liquid crystal display device |
JPH1062628A (en) * | 1996-08-23 | 1998-03-06 | Enplas Corp | Side light type surface light source device and manufacture of side light type surface light source device |
CN1403852A (en) * | 2001-09-06 | 2003-03-19 | 精工爱普生株式会社 | Light conduction apparatus, electro-optical device and electronic equipment |
CN202182392U (en) * | 2011-08-19 | 2012-04-04 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display |
CN103792729A (en) * | 2013-08-20 | 2014-05-14 | 友达光电股份有限公司 | Thin display module |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106707616A (en) * | 2016-12-23 | 2017-05-24 | 上海创功通讯技术有限公司 | Backlight module and display device |
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