CN105090893A - Light guide plate and backlight module - Google Patents
Light guide plate and backlight module Download PDFInfo
- Publication number
- CN105090893A CN105090893A CN201510522747.8A CN201510522747A CN105090893A CN 105090893 A CN105090893 A CN 105090893A CN 201510522747 A CN201510522747 A CN 201510522747A CN 105090893 A CN105090893 A CN 105090893A
- Authority
- CN
- China
- Prior art keywords
- guide plate
- light guide
- main body
- plate main
- lamp bar
- 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
Links
Classifications
-
- 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
- G02B6/0081—Mechanical 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
- F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
- F21V19/004—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources by deformation of parts or snap action mountings, e.g. using clips
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
- F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
- F21V19/005—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources by permanent fixing means, e.g. gluing, riveting or embedding in a potting compound
-
- 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
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention discloses a light guide plate, which comprises a light guide plate main body, wherein the light guide plate main body protrudes towards an incident light side to form a light bar mounting part; the width of the light bar mounting part is smaller than the width of the light guide plate main body; and step parts used for mounting a light bar are formed between two side walls in the width direction of the light bar mounting part and the end faces of the light guide plate main body. The invention also discloses a backlight module. The light bar mounting part is convexly arranged beside the light guide plate main body of the light guide plate, so that the width of the light bar mounting part is smaller than the width of the light guide plate main body; the step parts used for mounting the light bar are formed on the transition parts of the light bar mounting part and the light guide plate main body, so that the compact design of the light bar and the light guide plate is realized; meanwhile, limit structures used for limiting an optical film module are also arranged on the light guide plate, and the optical film module can be arranged on the light guide plate in a compact way; the structure of the backlight module is compact; an extra frame structure is not needed and the assembly of the backlight module can be realized; the defect of the existing device is overcome; and a narrow frame design is further realized.
Description
Technical field
The present invention relates to Display Technique field, particularly relate to light guide plate and backlight module.
Background technology
Along with the fast development of smart mobile phone and universal, the requirement of people to mobile phone is more and more higher, and demand is diversification more and more.In order to the visual effect pursued, have the large visual field, the mobile phone of narrow frame design is subject to the favor of more and more consumer.But mobile phone has the frame of a support and positioning action now, and with frame accordingly, also there is non-display area in display floater, both becomes the principal element of the narrow frame development of restriction mobile phone at present, makes in the product of finite size, realize large-size screen monitors display particularly difficulty.
Summary of the invention
In view of the deficiency that prior art exists, the invention provides a kind of light guide plate and the backlight module that can realize large-size screen monitors display.
In order to realize above-mentioned object, present invention employs following technical scheme:
A kind of light guide plate, comprise light guide plate main body, described light guide plate main body convexes to form lamp bar installation portion towards incident side side, the width of described lamp bar installation portion is less than the width of described light guide plate main body, and two sidewalls of described lamp bar installation portion width form the stage portion for installing lamp bar with the end face of described light guide plate main body respectively.
Wherein, described light guide plate main body medial recess forms the groove for holding optical diaphragm group.
Or described light guide plate main body is positioned at two limits adjacent with described lamp bar installation portion on exiting surface and is convexly equipped with for carrying out spacing positive stop strip to optical diaphragm group.
Or the edge of described light guide plate main body is convexly equipped with and carries out spacing lug to optical diaphragm group.
Wherein, described lamp bar installation portion is the inclined-plane tilted towards described light guide plate main body near the face of exiting surface.
Another object of the present invention is to provide a kind of backlight module, comprise light guide plate, optical diaphragm group and lamp bar, described light guide plate comprises light guide plate main body, described light guide plate main body convexes to form lamp bar installation portion towards incident side side, the width of described lamp bar installation portion is less than described light guide plate main body, and two sidewalls of described lamp bar installation portion width form stage portion with the end face of described light guide plate main body respectively; The substrate two ends turnover of described lamp bar forms folding portion, and described folding portion fits in the width both sides of described lamp bar installation portion and is inserted in described stage portion.
Wherein, described light guide plate main body medial recess forms the groove for holding optical diaphragm group.
Or described light guide plate main body is positioned at two limits adjacent with described lamp bar installation portion on exiting surface and is convexly equipped with for carrying out spacing positive stop strip to optical diaphragm group.
Or the edge of described light guide plate main body is convexly equipped with and carries out spacing lug to optical diaphragm group.
Wherein, described lamp bar installation portion is the inclined-plane tilted towards described light guide plate main body near the face of exiting surface.
The present invention is convexly equipped with lamp bar installation portion on the light guide plate main body side of light guide plate, the width of lamp bar installation portion is less than the width of light guide plate main body, forming the stage portion for installing lamp bar at lamp bar installation portion and light guide plate main body transition position, the compact design of lamp bar and light guide plate can be realized; Simultaneously, light guide plate is also provided with for carrying out spacing position limiting structure to optical diaphragm group, optical diaphragm group also can be arranged on light guide plate compactly, the compact conformation of backlight module, namely the assembling of backlight module is achieved without the need to extra frame structure, overcome the defect of existing display unit, furthermore achieved that narrow frame.
Accompanying drawing explanation
Fig. 1 is the plan structure schematic diagram of the light guide plate of the embodiment of the present invention 1 and the installment state of lamp bar.
Fig. 2 is that structural representation is cutd open in the side of the backlight module of the embodiment of the present invention 1.
Fig. 3 is the plan structure schematic diagram of the light guide plate of the embodiment of the present invention 2 and the installment state of lamp bar.
Fig. 4 is that structural representation is cutd open in the side of the backlight module of the embodiment of the present invention 3.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is described in more detail.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Embodiment 1
Consult Fig. 1, the light guide plate of the embodiment of the present invention comprises light guide plate main body 11, light guide plate main body 11 convexes to form lamp bar installation portion 12 towards incident side side, the width of lamp bar installation portion 12 is less than the width of light guide plate main body 11, and form stage portion 12a with the end face of light guide plate main body 11 respectively at two sidewalls of lamp bar installation portion 12 width, for installing lamp bar 30, lamp bar 30 can be integrated on light guide plate.
The preferred light guide plate main body 11 of the present embodiment adopts optics acryl material or polycarbonate injection moulded to be formed.Positive stop strip 11a is convexly equipped with by the edge being positioned at exiting surface side at light guide plate main body 11, three positive stop strip 11a and lamp bar installation portion 12 surround the groove 110 of depression in the middle part of light guide plate main body 11, can be used for holding optical diaphragm group, prevent the edge of optical diaphragm group from exceeding light guide plate.In other embodiments, positive stop strip 11a can also be replaced with the boss of gap-forming, can carry out spacing to the optical diaphragm group on light guide plate main body 11 equally.
In order to improve light utilization, the end face of lamp bar installation portion 12 can be arranged to the inclined-plane tilted towards light guide plate main body 11, make the incident side of light guide plate higher than other parts, can receive more light.
Composition graphs 2, the backlight module of the present embodiment comprises light guide plate 10, optical diaphragm group 20 and lamp bar 30, lamp bar 30 comprises substrate 31 and array formation some LED lamp pearls 32 on the substrate 31, the two ends of substrate 31 length direction vertically turn down towards the same side and form folding portion 31a, when lamp bar 30 is installed, two folding portion 31a of substrate 31 fit in the width both sides of the lamp bar installation portion 12 of boss-shaped, are inserted in the stage portion 12a of light guide plate 10 both sides.Preferably, the thickness of folding portion 31a is consistent with the degree of depth of stage portion 12a, and after making lamp bar 30 be installed to light guide plate 10, the outer surface of substrate 31 is concordant with the sidewall of light guide plate main body 11, is conducive to the overall aesthetics promoting backlight module.Wherein, substrate 31 is FPC, and folding portion 31a is fixed on lamp bar installation portion 12 by the mode of pasting or engage.
Optical diaphragm group 20 is placed in the groove 110 of light guide plate 10, is undertaken spacing by the positive stop strip 11a at light guide plate 10 edge and lamp bar installation portion 12.The height that further preferably lamp bar installation portion 12 protrudes from light guide plate main body 11 is consistent with the apical side height of optical diaphragm group 20, and optical diaphragm group 20 is installed to after on light guide plate 10, and the exiting surface side of back light unit is plane.
The present embodiment by light guide plate structure improve, lamp bar installation portion is convexly equipped with in the incident side of light guide plate, formed for placing the groove of optical diaphragm group and the positive stop strip spacing to it in the exiting surface side of light guide plate, facilitate the assembling of lamp bar and optical diaphragm group, make the structural behaviour of backlight module entirety compacter, eliminate border structure, viewing area area is larger, furthermore achieved that narrow frame, backlight module entirety is formed as rule cube structure, moulding nature and take up room little.
Embodiment 2
Shown in composition graphs 3, as different from Example 1, through hole (figure does not mark) is offered in the lamp bar installation portion 12 of the present embodiment, this through hole to offer direction consistent with the width of light guide plate, the substrate 31 of lamp bar 30 is inserted in this through hole, the folding portion 31a at substrate 31 two ends fits in two sidewalls of lamp bar installation portion 12, and is embedded at stage portion 12a place.In this kind of mode, because substrate 31 embeds in light guide plate 10, the installation reliability of substrate 31 is better.
Embodiment 3
Shown in composition graphs 4, as different from Example 1, the top of the lamp bar installation portion 12 of the present embodiment is extended with extension 120 towards light guide plate main body 11, this extension 120 can be tabular or ledge arrangement, when optical diaphragm group 20 is installed, extension 120 bottom is inserted in its one end first, and then is fixed to by remainder in groove 110, extension 120 can play the position-limiting action to optical diaphragm group 20, is conducive to preventing optical diaphragm group 20 from tilting.
The above is only the detailed description of the invention of the application; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the application's principle; can also make some improvements and modifications, these improvements and modifications also should be considered as the protection domain of the application.
Claims (10)
1. a light guide plate, it is characterized in that, comprise light guide plate main body (11), described light guide plate main body (11) convexes to form lamp bar installation portion (12) towards incident side side, the width of described lamp bar installation portion (12) is less than the width of described light guide plate main body (11), and two sidewalls of described lamp bar installation portion (12) width form the stage portion (12a) for installing lamp bar respectively with the end face of described light guide plate main body (11).
2. light guide plate according to claim 1, is characterized in that, described light guide plate main body (11) medial recess forms the groove (110) for holding optical diaphragm group.
3. light guide plate according to claim 1, it is characterized in that, described light guide plate main body (11) is positioned at two limits adjacent with described lamp bar installation portion (12) on exiting surface and is convexly equipped with for carrying out spacing positive stop strip (11a) to optical diaphragm group.
4. light guide plate according to claim 1, is characterized in that, the edge of described light guide plate main body (11) is convexly equipped with and carries out spacing lug to optical diaphragm group.
5., according to the arbitrary described light guide plate of claim 1-4, it is characterized in that, described lamp bar installation portion (12) is the inclined-plane tilted towards described light guide plate main body (11) near the face of exiting surface.
6. a backlight module, it is characterized in that, comprise light guide plate (10), optical diaphragm group (20) and lamp bar (30), described light guide plate (10) comprises light guide plate main body (11), described light guide plate main body (11) convexes to form lamp bar installation portion (12) towards incident side side, the width of described lamp bar installation portion (12) is less than described light guide plate main body (11), and two sidewalls of described lamp bar installation portion (12) width form stage portion (12a) with the end face of described light guide plate main body (11) respectively; Substrate (31) the two ends turnover of described lamp bar (30) forms folding portion (31a), and described folding portion (31a) fits in the width both sides of described lamp bar installation portion (12) and is inserted in described stage portion (12a).
7. backlight module according to claim 6, is characterized in that, described light guide plate main body (11) medial recess forms the groove (110) for holding optical diaphragm group.
8. backlight module according to claim 6, it is characterized in that, described light guide plate main body (11) is positioned at two limits adjacent with described lamp bar installation portion (12) on exiting surface and is convexly equipped with for carrying out spacing positive stop strip (11a) to optical diaphragm group.
9. backlight module according to claim 6, is characterized in that, the edge of described light guide plate main body (11) is convexly equipped with and carries out spacing lug to optical diaphragm group.
10., according to the arbitrary described backlight module of claim 6-9, it is characterized in that, described lamp bar installation portion (12) is the inclined-plane tilted towards described light guide plate main body (11) near the face of exiting surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510522747.8A CN105090893A (en) | 2015-08-24 | 2015-08-24 | Light guide plate and backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510522747.8A CN105090893A (en) | 2015-08-24 | 2015-08-24 | Light guide plate and backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105090893A true CN105090893A (en) | 2015-11-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510522747.8A Pending CN105090893A (en) | 2015-08-24 | 2015-08-24 | Light guide plate and backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105090893A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110709741A (en) * | 2019-09-04 | 2020-01-17 | 京东方科技集团股份有限公司 | Light guide plate, display module and display device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6055029A (en) * | 1996-07-23 | 2000-04-25 | Stanley Electric Co., Ltd. | Backlighting system for a liquid crystal display including an integrally molded light guiding plate and frame with a deformation absorbing means |
| CN101726788A (en) * | 2008-10-27 | 2010-06-09 | 奇美电子股份有限公司 | Light guide plate, backlight module, liquid crystal display device and electric equipment |
| CN202204951U (en) * | 2011-09-09 | 2012-04-25 | 北京京东方光电科技有限公司 | LGP, backlight and LCD |
| CN203082698U (en) * | 2013-01-23 | 2013-07-24 | 合肥京东方光电科技有限公司 | Backlight source and displaying device |
| CN103292211A (en) * | 2012-08-21 | 2013-09-11 | 厦门天马微电子有限公司 | Backlight module of liquid crystal display and liquid crystal display |
| CN103901529A (en) * | 2012-12-26 | 2014-07-02 | 欧姆龙株式会社 | Light guide plate and surface light source device |
-
2015
- 2015-08-24 CN CN201510522747.8A patent/CN105090893A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6055029A (en) * | 1996-07-23 | 2000-04-25 | Stanley Electric Co., Ltd. | Backlighting system for a liquid crystal display including an integrally molded light guiding plate and frame with a deformation absorbing means |
| CN101726788A (en) * | 2008-10-27 | 2010-06-09 | 奇美电子股份有限公司 | Light guide plate, backlight module, liquid crystal display device and electric equipment |
| CN202204951U (en) * | 2011-09-09 | 2012-04-25 | 北京京东方光电科技有限公司 | LGP, backlight and LCD |
| CN103292211A (en) * | 2012-08-21 | 2013-09-11 | 厦门天马微电子有限公司 | Backlight module of liquid crystal display and liquid crystal display |
| CN103901529A (en) * | 2012-12-26 | 2014-07-02 | 欧姆龙株式会社 | Light guide plate and surface light source device |
| CN203082698U (en) * | 2013-01-23 | 2013-07-24 | 合肥京东方光电科技有限公司 | Backlight source and displaying device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110709741A (en) * | 2019-09-04 | 2020-01-17 | 京东方科技集团股份有限公司 | Light guide plate, display module and display device |
| CN110709741B (en) * | 2019-09-04 | 2021-11-23 | 京东方科技集团股份有限公司 | Light guide plate, display module and display device |
| US11789301B2 (en) | 2019-09-04 | 2023-10-17 | Beijing Boe Display Technology Co., Ltd. | Light guide plate including mounting portion, display module and display device |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151125 |
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| RJ01 | Rejection of invention patent application after publication |