CN108563062A - Backlight module and light source module applied to backlight module - Google Patents
Backlight module and light source module applied to backlight module Download PDFInfo
- Publication number
- CN108563062A CN108563062A CN201711465735.1A CN201711465735A CN108563062A CN 108563062 A CN108563062 A CN 108563062A CN 201711465735 A CN201711465735 A CN 201711465735A CN 108563062 A CN108563062 A CN 108563062A
- Authority
- CN
- China
- Prior art keywords
- light source
- light
- frame
- guide plate
- light guide
- 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
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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
Abstract
The present invention provides a kind of backlight module and a kind of light source module applied to backlight module, and light source module includes the frame of one end open and the light source that is arranged in the frame inner cavity；It is installed with reflecting plate in the inner surface side of the frame；Side of the reflecting plate towards the light source is provided with reflective layer made of metal material；The reflecting plate further includes the light transmission separation layer being arranged in the reflective layer surface.In said light source module, because reflective layer surface is coated with light transmission separation layer made of nonmetallic materials, light transmission separation layer can be isolated oxygen and reflective layer in inner cavity, avoid occurring aoxidizing dimmed problem in reflective layer use.
Description
Technical field
The present invention relates to LCD Technology field, more particularly to a kind of backlight module and the light applied to backlight module
Source module.
Background technology
Light source module in sidelight type backlight module is arranged in the side of light guide plate, including light source and around light source setting
Reflector；Reflector is used for the light that reflection source is sent out so that the light that light source is sent out is fully radiated in light guide plate, is improved
The utilization ratio of light.
In order to realize that the reflection of light, the reflective surface in reflector are provided with reflection coating layer, the material in coating layer is reflected
Material is mostly Ag, Mg coating, and reflects coating layer and be directly facing light source.In actual installation, light source module can not be fully sealed
Ground is bonded with light guide plate；With the increase of usage time, Ag the Mg metals of reflective coating layer are aoxidized, and reflector efficiency is caused
Reduction, then cause the reduction of light utilization ratio.
Invention content
The present invention provides a kind of new light source module, can be aoxidized to avoid coating layer is reflected made of wherein metal material
The problem of.In addition, the present invention also provides a kind of backlight modules using said light source module.
The present invention provides a kind of light source module applied to backlight module, including the frame of one end open and setting described
Light source in frame inner cavity；
It is installed with reflecting plate in the inner surface side of the frame；It is set in side of the reflecting plate towards the light source
It is equipped with reflective layer made of metal material；The reflecting plate further includes the light transmission separation layer being arranged in the reflective layer surface.
Optionally, reflecting plate further includes substrate layer and the adhesive linkage for connecting substrate layer and reflective layer.
Optionally, the substrate layer is light shield layer made of soft material.
Optionally, the light source is linear light source；The cross section of the frame is U-shaped.
Optionally, the open height of the frame is equal to the sum of light guide plate and reflection plate thickness of backlight module.
Optionally, on the outside of the frame further include the fixed part being connect with the outside plastic frame of the backlight module.
The present invention also provides a kind of backlight module, including light guide plate, be arranged the light guide plate downside reflector, set
Set the plastic frame in the diffuser plate of the light guide plate upper side and positioned at the light guide plate side；It further include foregoing light source
Module；The light source module is mounted on the side of the light guide plate, the inside of the plastic frame.
Optionally, the diffuser plate include the lower diffusion sheet directly fitted with the light guide plate and be located at the lower diffusion sheet
Upper diffusion sheet far from the light guide plate side；
It is additionally provided with light-collecting prism piece between the lower diffusion sheet and the upper diffusion sheet.
In said light source module because reflective layer surface be coated with nonmetallic materials made of light transmission separation layer, light transmission every
Oxygen and reflective layer in inner cavity can be isolated in absciss layer, avoid occurring aoxidizing dimmed problem in reflective layer use.
To the accomplishment of the foregoing and related purposes, one or more aspects of the present invention include be particularly described below and
The feature particularly pointed out in claim.Certain illustrative aspects of the invention is described in detail in the following description and the annexed drawings.
However, these aspects indicate only usable some of the various ways in the principles of the present invention.In addition, of the invention
It is intended to include all such aspects and their equivalent.
Description of the drawings
By reference to the following description in conjunction with the accompanying drawings and the contents of the claims, and with to the present invention more comprehensively
Understand, other objects and results of the present invention will be more clearly understood and understood.In the accompanying drawings：
Fig. 1 is the backlight module schematic partial cross-sectional view that embodiment provides；
Wherein：11- frames, 12- light sources, 13- reflecting plates, 131- reflective layers, 132- light transmission separation layers, 133- adhesive linkages,
134- substrate layers, 14- fixed parts, 21- light guide plates, 22- reflectors, 23- diffuser plates.
Identical label indicates similar or corresponding feature or function in all the appended drawings.
Specific implementation mode
Hereinafter, specific embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Fig. 1 is the backlight module schematic partial cross-sectional view that embodiment provides.As shown in Figure 1, backlight provided in this embodiment
Module includes light source module, light guide plate 21, reflector 22 and diffuser plate 23.Following elder generation is introduced with regard to light source module therein, then
Make a concrete analysis of the structure of backlight module.
As shown in Figure 1, light source module includes frame 11, light source 12 and reflecting plate 13.Its middle frame 11 is one end open
Structure simultaneously forms an inner cavity；Light source 12 and reflecting plate 13 are arranged in interior intracavitary.Reflecting plate 13 include be arranged towards light source 12 it is anti-
Photosphere 131 and light transmission separation layer 132 coated in 131 surface of reflective layer；Reflective layer 131 is made of metal material, light transmission isolation
Layer 132 is made of nonmetallic materials such as resin materials；Light transmission separation layer 132 is arranged on the surface of reflective layer 131.
Using light source module above-mentioned, some light sent out by light source 12 shines directly into the light guide plate 21 of backlight module
In；Remaining some light is refracted into light transmission separation layer 132, and reflective layer 131 is irradiated to after light transmission separation layer 132
On；Light is re-entered by light transmission separation layer 132 in inner cavity after being reflected by reflective layer 131, and is entered in light guide plate 21.
In said light source module, because 131 surface of reflective layer is coated with light transmission separation layer 132 made of nonmetallic materials,
Oxygen and reflective layer 131 in inner cavity can be isolated in light transmission separation layer 132, avoid occurring aoxidizing in 131 use of reflective layer dimmed
The problem of.
In the present embodiment, reflector 22 further includes substrate layer 134, is provided between substrate layer 134 and reflective layer 131 viscous
Layer 133 is connect, to be pasted onto on substrate layer 134 using adhesive linkage 133.As shown in Figure 1, in the present embodiment, reflecting plate 13 directly pastes
Close the inner surface in frame 11.
In the present embodiment, substrate layer 134 can also include light shield layer, and light source module is projected to avoid there is some light.Compared with
To be preferred, light shield layer is made of soft material, for example, may be used doping black pigment resin material be made；Certainly,
In other embodiments, light shield layer can also use the metal materials such as copper to be made.
In the present embodiment, the light source 12 that light source module uses is linear light source 12；Corresponding, the cross section of frame 11 is
It is U-shaped, in order to place linear light source 12.In other embodiments, in the case that light source 12 is point light source 12, frame 11 can also be
Cross section is U-shaped.
As shown in Figure 1, the installation for ease of light source module is fixed, the open height of frame 11 is equal to leading in backlight module
The sum of 13 thickness of 21 thickness of tabula rasa and reflecting plate is preferably sealed, is kept away so as to be formed after being installed with light guide plate 21 and reflecting plate 13
Exempt from leakage of light.
Further include that consolidating in 11 outside of frame is set other than with aforementioned structure in light source module provided in this embodiment
Determine portion 14, fixed part 14 with the outside plastic frame of backlight module for connecting, realizing fixation of the light source module in backlight module.
The present embodiment also provides a kind of backlight module using said light source module.Backlight module includes light guide plate 21, anti-
Tabula rasa 22, diffuser plate 23, plastic frame and light source module above-mentioned.Reflector 22 is arranged in the downside of light guide plate 21, diffuser plate
The top face of the early light guide plates of 23 settings 21, plastic frame for fixing all parts, light source module be arranged the side of light guide plate 21,
It is arranged in the inside (being not shown in figure plastic frame) of plastic frame.
Light guide plate 21 in the present embodiment can be thin plate in homogeneous thickness, it is preferable to employ by light source module side to relatively
The wedge shape that side thickness is gradually reduced.
More preferred, the diffuser plate 23 in the present embodiment includes lower diffusion sheet and upper diffusion sheet.Lower diffusion sheet directly pastes
Light guide plate 21 is closed, upper diffusion sheet is located at side of the lower diffusion sheet far from light guide plate 21.In addition, lower diffusion sheet and upper diffusion sheet it
Between be additionally provided with light-collecting prism piece, light-collecting prism piece is used to light transmission direction gathering the angle in setting, avoids from backlight
The light that the light-emitting surface of module projects excessively disperses.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. a kind of light source module applied to backlight module, including the frame (11) of one end open and setting are in the frame (11)
Light source (12) in inner cavity；
It is installed with reflecting plate (13) in the inner surface side of the frame (11)；In the reflecting plate (13) towards the light source
(12) side is provided with reflective layer made of metal material (131)；It is characterized in that：
The reflecting plate (13) further includes light transmission separation layer (132) of the setting on the reflective layer (131) surface.
2. light source module according to claim 1, it is characterised in that：
Reflecting plate (13) further includes substrate layer (134) and for connecting the viscous of the substrate layer (134) and the reflective layer (131)
Connect layer (133).
3. light source module according to claim 2, it is characterised in that：
The substrate layer (134) is light shield layer made of soft material.
4. according to claim 1-3 any one of them light source modules, it is characterised in that：
The light source (12) is linear light source；The cross section of the frame (11) is U-shaped.
5. light source module according to claim 4, it is characterised in that：
The open height of the frame (11) is equal to the sum of light guide plate (21) thickness and reflecting plate (13) thickness of backlight module.
6. light source module according to claim 5, it is characterised in that：
It further include the fixed part (14) being connect with the outside plastic frame of the backlight module on the outside of the frame (11).
7. a kind of backlight module, including reflector (22) in the light guide plate (21) downside of light guide plate (21), setting, setting
Diffuser plate (23) in the light guide plate (21) upper side and the plastic frame positioned at the light guide plate (21) side；Its feature exists
In：
It further include light source module as claimed in any one of claims 1 to 6；The light source module is mounted on the light guide plate (21)
Side, the plastic frame inside.
8. backlight module according to claim 7, it is characterised in that：
The diffuser plate (23) include with the lower diffusion sheet that the light guide plate (21) directly fits and positioned at the lower diffusion sheet it is remote
Upper diffusion sheet from the light guide plate (21) side；
It is additionally provided with light-collecting prism piece between the lower diffusion sheet and the upper diffusion sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711465735.1A CN108563062A (en) | 2017-12-28 | 2017-12-28 | Backlight module and light source module applied to backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711465735.1A CN108563062A (en) | 2017-12-28 | 2017-12-28 | Backlight module and light source module applied to backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108563062A true CN108563062A (en) | 2018-09-21 |
Family
ID=63530567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711465735.1A Pending CN108563062A (en) | 2017-12-28 | 2017-12-28 | Backlight module and light source module applied to backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108563062A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001084823A (en) * | 1999-09-10 | 2001-03-30 | Enplas Corp | Surface lignt source device, and image display device provided with same |
| JP2001100201A (en) * | 1999-09-14 | 2001-04-13 | Internatl Business Mach Corp <Ibm> | Liquid crystal display device and side light type light source device |
| JP2004071425A (en) * | 2002-08-08 | 2004-03-04 | Enplas Corp | Surface light source device, image display device and reflective member of surface light source device |
| JP2004103303A (en) * | 2002-09-05 | 2004-04-02 | Sharp Corp | Lighting device and liquid crystal display device |
| KR20050072623A (en) * | 2004-01-07 | 2005-07-12 | 삼성전자주식회사 | Lamp assembly and display apparatus having the same |
| CN1721761A (en) * | 2004-06-17 | 2006-01-18 | 夏普株式会社 | Lighting apparatus |
| KR20070103196A (en) * | 2006-04-18 | 2007-10-23 | 엘지.필립스 엘시디 주식회사 | Backlight unit and liquid crystal display using the same |
| CN202927655U (en) * | 2012-11-22 | 2013-05-08 | 深圳Tcl新技术有限公司 | Light emitting diode (LED) backlight source, backlight module and liquid crystal display device |
| US20170010406A1 (en) * | 2015-07-08 | 2017-01-12 | Samsung Display Co., Ltd. | Backlight unit and display device including the same |
| CN207895192U (en) * | 2017-12-28 | 2018-09-21 | 重庆市中光电显示技术有限公司 | Backlight module and light source module applied to backlight module |
-
2017
- 2017-12-28 CN CN201711465735.1A patent/CN108563062A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001084823A (en) * | 1999-09-10 | 2001-03-30 | Enplas Corp | Surface lignt source device, and image display device provided with same |
| JP2001100201A (en) * | 1999-09-14 | 2001-04-13 | Internatl Business Mach Corp <Ibm> | Liquid crystal display device and side light type light source device |
| JP2004071425A (en) * | 2002-08-08 | 2004-03-04 | Enplas Corp | Surface light source device, image display device and reflective member of surface light source device |
| JP2004103303A (en) * | 2002-09-05 | 2004-04-02 | Sharp Corp | Lighting device and liquid crystal display device |
| KR20050072623A (en) * | 2004-01-07 | 2005-07-12 | 삼성전자주식회사 | Lamp assembly and display apparatus having the same |
| CN1721761A (en) * | 2004-06-17 | 2006-01-18 | 夏普株式会社 | Lighting apparatus |
| KR20070103196A (en) * | 2006-04-18 | 2007-10-23 | 엘지.필립스 엘시디 주식회사 | Backlight unit and liquid crystal display using the same |
| CN202927655U (en) * | 2012-11-22 | 2013-05-08 | 深圳Tcl新技术有限公司 | Light emitting diode (LED) backlight source, backlight module and liquid crystal display device |
| US20170010406A1 (en) * | 2015-07-08 | 2017-01-12 | Samsung Display Co., Ltd. | Backlight unit and display device including the same |
| CN207895192U (en) * | 2017-12-28 | 2018-09-21 | 重庆市中光电显示技术有限公司 | Backlight module and light source module applied to backlight module |
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