CN105974670A - Backlight source and backlight module - Google Patents
Backlight source and backlight module Download PDFInfo
- Publication number
- CN105974670A CN105974670A CN201610589759.7A CN201610589759A CN105974670A CN 105974670 A CN105974670 A CN 105974670A CN 201610589759 A CN201610589759 A CN 201610589759A CN 105974670 A CN105974670 A CN 105974670A
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- Prior art keywords
- several
- light guide
- guide plate
- circuit board
- backlight
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Classifications
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- 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
- G02F1/133603—Direct backlight with LEDs
-
- 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
- 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
- G02B6/0086—Positioning aspects
- G02B6/009—Positioning aspects of the light source in the package
-
- 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
- G02F1/133608—Direct 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)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention provides a backlight source and a backlight module. The backlight source comprises a circuit board (22), a plurality of LED lamps (24) arranged on the circuit board (22), a plurality of supporting elastic sheets (26) arranged on the circuit board (22) and a plurality of elastic pressing sheets (28) installed on the circuit board (22). The multiple LED lamps (24) are arranged to be in a row to face the light incident face of a light guide plate (3), the multiple supporting elastic sheets (26) are arranged to be in a row to support the bottom face, adjacent to the incident face, of the light guide plate (3), and the multiple elastic pressing sheets (28) are arranged to be in a row to abut against the top face, adjacent to the incident face, of the light guide plate (3). In this way, it is guaranteed that the LED lamps (24) of the backlight source (2) are accurately aligned with the incident face of the light guide plate (3), the light coupling efficiency of the backlight source (2) and the light guide plate (3) is improved, and product quality is improved.
Description
Technical field
The present invention relates to technical field of liquid crystal display, particularly relate to a kind of backlight and backlight module.
Background technology
Liquid crystal indicator (Liquid Crystal Display, LCD) has that fuselage is thin, power saving, without spoke
The many merits such as penetrate, be widely used.As: LCD TV, mobile phone, individual digital help
Reason (PDA), digital camera, computer screen or notebook computer screen etc., in flat display field
Occupy an leading position.
Liquid crystal display major part on existing market is backlight liquid crystal display, and it includes liquid crystal panel
And backlight module (Backlight Module).The operation principle of liquid crystal panel is at thin film transistor (TFT) array
Substrate (Thin Film Transistor Array Substrate, TFT Array Substrate) and colorized optical filtering
The upper driving voltage that applies of plate base (Color Filter, CF) controls the rotation of liquid crystal molecule between two substrates
Turn direction, so that the light of backlight module is reflected generation picture.
Owing to display panels itself is the most luminous, the light source provided by backlight module is needed normally to show
Show image, therefore one of backlight module key component becoming liquid crystal display.Backlight module is according to light source
The difference of incoming position is divided into side entrance back module and down straight aphototropism mode set two kinds.Downward back optical mode
Group is by illuminating source such as cathodouminescence fluorescent tube (Cold Cathode Fluorescent Lamp, CCFL)
Or light emitting diode (Light Emitting Diode, LED) is arranged on liquid crystal panel rear, directly formed
Area source is supplied to liquid crystal panel.And side entrance back module is LED lamp bar (Light bar) to be located at
The rear flank side of liquid crystal panel is as backlight.
In prior art, side entrance back module includes glue frame, is located at the light guide plate within glue frame, is located at
Side-edge type backlight between light guide plate and glue frame and other optical modules.Side-edge type backlight sends
After coloured light is broken up by light guide plate, inject in other optical modules, complete to provide the function of backlight.Along with thin
The rise of type display device, designer is thick in the complete machine mechanism member of amplitude peak compression liquid crystal indicator
Outside degree, the slimming of the optical module in backlight module also becomes the emphasis of research, stands in the breach just
It is light guide plate, but while being compressed when light guide plate, the light coupling efficient of backlight and light guide plate becomes and sets
Meter person compels to be essential one of difficult problem of solving, meanwhile, along with user constantly carries for the requirement of display device
Height, curved-surface display device is increasingly favored, in curved surface liquid crystal indicator, because light guide plate
Easily produce drop between the curvature of curvature and backlight exiting surface and produce para-position dislocation, backlight can be caused
The loss of the light that source sends, reduces backlight luminous efficiency.
Summary of the invention
It is an object of the invention to provide a kind of backlight, when being applied in backlight module and between light guide plate
There is high light coupling efficient, it is possible to improving product quality.
Another object of the present invention is to provide a kind of backlight module, there is high light coupling efficient, it is possible to application
In type thin liquid crystal display device and curved surface liquid crystal indicator.
For achieving the above object, present invention firstly provides a kind of backlight, including: circuit board, be located at electricity
Several LED, the several support shell fragments being located on circuit board on the plate of road and be installed on circuit board
Several elastic pressuring plates, described several LED are arranged in a row with the incidence surface facing to light guide plate, described several
Supporting shell fragment and be arranged in a row to support the bottom surface that light guide plate incidence surface is adjacent, described several elastic pressuring plates are lined up
The end face that one row is adjacent to compress light guide plate incidence surface, so that it is guaranteed that the LED of backlight and light guide plate
Incidence surface para-position is accurate.
Described circuit board is provided with several draw-in groove, and described several elastic pressuring plates are respectively arranged in this several draw-in grooves
In.
Described draw-in groove is dovetail-shape, and described elastic pressuring plate includes: pressure section and compressing described in being respectively arranged on
Two elastic arms at two ends, portion；The described two elastic arms elastic two side of circuit board draw-in groove that presses on respectively is to incite somebody to action
Elastic pressuring plate is installed on circuit board, and described pressure section is for compressing the end face of light guide plate.
Being provided with elastic in the middle of described pressure section, described elastic is reverse V-shaped to provide pressure section elastic.
Described circuit board is provided with several mounting groove, and it is several that described several support shell fragments are fixedly installed in this respectively
In mounting groove.
Described support shell fragment is inverted U-shaped, and described mounting groove is corresponding in inverted U-shaped.
Described elastic pressuring plate and support shell fragment are respectively arranged between LED, and lay respectively at LED
Both sides up and down.
The present invention also provides for a kind of backlight module, including: backboard, the backlight being installed on backboard and
The light guide plate being positioned on backboard；
Described backlight includes: circuit board, the several LED being located on circuit board, be located on circuit board
Several support shell fragments and several elastic pressuring plates of being installed on circuit board；Described light guide plate has one and enters
Bright finish；Described several LED is arranged in a row with the incidence surface facing to light guide plate, described several support shell fragments
Be arranged in a row to support the bottom surface that light guide plate incidence surface is adjacent, described several elastic pressuring plates be arranged in a row to
The end face that pressure light guide plate incidence surface is adjacent, so that it is guaranteed that the LED of backlight and the incidence surface pair of light guide plate
Level is true.
Described circuit board is provided with several draw-in groove, and described several elastic pressuring plates are respectively arranged in this several draw-in grooves
In；
Described draw-in groove is dovetail-shape, and described elastic pressuring plate includes: pressure section and compressing described in being respectively arranged on
Two elastic arms at two ends, portion；The described two elastic arms elastic two side of circuit board draw-in groove that presses on respectively is to incite somebody to action
Elastic pressuring plate is installed on circuit board, and described pressure section is for compressing the end face of light guide plate；
Being provided with elastic in the middle of described pressure section, described elastic is reverse V-shaped to provide pressure section elastic；
Described circuit board is provided with several mounting groove, and it is several that described several support shell fragments are fixedly installed in this respectively
In mounting groove；
Described support shell fragment is inverted U-shaped, and described mounting groove is corresponding in inverted U-shaped；
Described elastic pressuring plate and support shell fragment are respectively arranged between LED, and lay respectively at LED
Both sides up and down.
Also include being located at described bottom surface of light guide plate and the reflector plate being positioned on backboard, be located at described light guide plate top
The blooming piece in face, described backboard metal material is made and is beneficial to heat radiation.
Beneficial effects of the present invention: a kind of backlight that the present invention provides, including: circuit board, is located at electricity
Several LED, the several support shell fragments being located on circuit board on the plate of road and be installed on circuit board
Several elastic pressuring plates, described several LED are arranged in a row with the incidence surface facing to light guide plate, described several
Supporting shell fragment and be arranged in a row to support the bottom surface that light guide plate incidence surface is adjacent, described several elastic pressuring plates are lined up
The end face that one row is adjacent to compress light guide plate incidence surface, so that it is guaranteed that the LED of backlight and light guide plate
Incidence surface para-position is accurate, promotes the light coupling efficient of backlight and light guide plate, improving product quality.The present invention
There is provided a kind of backlight module, there is high light coupling efficient, it is possible to be applied to type thin liquid crystal display device and
Curved surface liquid crystal indicator.
Accompanying drawing explanation
In order to be able to be further understood that inventive feature and technology contents, refer to below in connection with this
Bright detailed description and accompanying drawing, but accompanying drawing only provides reference and explanation use, is not used for adding the present invention
To limit.
In accompanying drawing,
Fig. 1 is the stereochemical structure decomposing schematic representation of the backlight of the present invention；
The stereochemical structure combination schematic diagram of the backlight of Fig. 2 position present invention；
Fig. 3 is the structural representation of the elastic pressuring plate of the backlight of the present invention；
Fig. 4 is the structural representation of the backlight module of the present invention.
Detailed description of the invention
By further illustrating the technological means and effect thereof that the present invention taked, below in conjunction with the present invention's
Preferred embodiment and accompanying drawing thereof are described in detail.
Refer to Fig. 1 and Fig. 2, present invention firstly provides a kind of backlight, for entering towards a light guide plate
Bright finish is luminous, including: circuit board 22, the several LED 24 being located on circuit board 22, it is located at circuit board
Several support shell fragments 26 on 22 and the several elastic pressuring plates 28 being installed on circuit board 22, described several
LED 24 is arranged in a row with the incidence surface facing to light guide plate, described several support shell fragments 26 be arranged in a row with
Supporting the bottom surface that light guide plate incidence surface is adjacent, described several elastic pressuring plates 28 are arranged in a row to compress light guide plate
The end face that incidence surface is adjacent, so that it is guaranteed that the incidence surface of the LED 24 of backlight and light guide plate is to level
Really.
Specifically, referring to Fig. 1 and Fig. 2, described circuit board 22 is provided with several draw-in groove 222, described several
Elastic pressuring plate 28 is respectively arranged in these several draw-in grooves 222.
Further, described draw-in groove 222 is dovetail-shape, refers to Fig. 3, and described elastic pressuring plate 28 includes:
Pressure section 282 and be respectively arranged on two elastic arms 284 at described pressure section 282 two ends；Described two elastic arms
284 elastic respectively press on the two side of circuit board 22 draw-in groove 222 so that elastic pressuring plate 28 is installed on circuit board
On 22, described pressure section 282 is for compressing the end face of light guide plate.
Further, being provided with elastic 286 in the middle of described pressure section 282, described elastic 286 is in falling
V-type is to provide pressure section 282 elastic.
Specifically, referring to Fig. 1 and Fig. 2, described circuit board is provided with several mounting groove 224, described several
Support shell fragment 26 to be fixedly installed in respectively in these several mounting grooves 224.
Further, described support shell fragment 26 is in inverted U-shaped, and described mounting groove 224 correspondence is inverted U-shaped.
Specifically, referring to Fig. 2, described elastic pressuring plate 28 is respectively arranged at LED with supporting shell fragment 26
Between 24, and lay respectively at the both sides up and down of LED 24, prevent from producing impact to LED 24 is luminous.
Specifically, when being applied in backlight module by the backlight of the present invention, elastic pressuring plate 28 utilizes bullet
Property arm 284 elasticity presses on the two side of the draw-in groove 222 on circuit board 22, makes elastic pressuring plate 28 be installed on electricity
On road plate 22, support shell fragment 26 and be fixedly installed in the mounting groove 224 on circuit board 22, several support bullets
Sheet 26 is arranged in a row to support the bottom surface that light guide plate incidence surface is adjacent, several elastic pressuring plates 28 be arranged in a row with
Compress the end face that light guide plate incidence surface is adjacent, so that it is guaranteed that the incidence surface of LED 24 and light guide plate is to level
Really, the light coupling efficient of backlight and light guide plate, improving product quality are promoted.
Referring to Fig. 4, and combine Fig. 1 to Fig. 3, based on above-mentioned backlight, the present invention also provides for a kind of back of the body
Light module, including: backboard 1, the backlight 2 being installed on backboard 1 and be positioned at the light guide plate on backboard 1
3, also include being located at described light guide plate 3 bottom surface and the reflector plate 4 being positioned on backboard 1, be located at described light guide plate
The blooming piece 5 of 3 end faces, described backboard 1 is made with metal material and is beneficial to heat radiation.
Specifically, referring to Fig. 2, described backlight 2 includes: circuit board 22, be located on circuit board 22
Several LED 24, the several support shell fragments 26 being located on circuit board 22 and be installed on circuit board 22
Several elastic pressuring plates 28；Described light guide plate 3 has an incidence surface；Described several LED 24 is arranged in a row
With the incidence surface facing to light guide plate 3, described several support shell fragments 26 are arranged in a row to support light guide plate 3 and enter light
The bottom surface that face is adjacent, it is adjacent that described several elastic pressuring plates 28 are arranged in a row to compress light guide plate 3 incidence surface
End face, so that it is guaranteed that the LED 24 of backlight 2 is accurate with the incidence surface para-position of light guide plate 3.
Specifically, referring to Fig. 1 and Fig. 2, described circuit board 22 is provided with several draw-in groove 222, described several
Elastic pressuring plate 28 is respectively arranged in these several draw-in grooves 222.
Further, described draw-in groove 222 is dovetail-shape, refers to Fig. 3, and described elastic pressuring plate 28 includes:
Pressure section 282 and be respectively arranged on two elastic arms 284 at described pressure section 282 two ends；Described two elastic arms
284 elastic respectively press on the two side of circuit board 22 draw-in groove 222 so that elastic pressuring plate 28 is installed on circuit board
On 22, described pressure section 282 is for compressing the end face of light guide plate.
Further, being provided with elastic 286 in the middle of described pressure section 282, described elastic 286 is in falling
V-type is to provide pressure section 282 elastic.
Specifically, referring to Fig. 1 and Fig. 2, described circuit board 22 is provided with several mounting groove 224, described number
Individual support shell fragment 26 is fixedly installed in these several mounting grooves 224 respectively.
Further, described support shell fragment 26 is in inverted U-shaped, and described mounting groove 224 correspondence is inverted U-shaped.
Specifically, referring to Fig. 2, described elastic pressuring plate 28 is respectively arranged at LED with supporting shell fragment 26
Between 24, and lay respectively at the both sides up and down of LED 24, prevent from producing impact to LED 24 is luminous.
Specifically, when the backlight module of the present invention assembles, first backlight 2 is fixed, and will support
Shell fragment 26 is fixedly installed in the mounting groove 224 on circuit board 22, is fixed by light guide plate 3 afterwards, makes leaded light
The incidence surface of plate 3 is relative with LED 24, makes several support shell fragment 26 be arranged in a row support light guide plate 3 simultaneously
The bottom surface that incidence surface is adjacent, then elastic pressuring plate 28 is from top to bottom snapped in the draw-in groove 222 on circuit board 22,
Make several elastic pressuring plate 28 be arranged in a row and compress the end face that light guide plate 3 incidence surface is adjacent, support shell fragment 26 permissible
Hold light guide plate 3, prevent light guide plate 3 from offseting downward, and elastic pressuring plate 28 makes light guide plate 3 be stably fixed at bullet
Property tabletting 28 and supporting between shell fragment 26, the most persistently provide and press against power, limit light guide plate 3 at upper and lower
Displacement upwards, the LED 24 making backlight 2 is accurate with the incidence surface para-position of light guide plate 3, promotes backlight
Source 2 and the light coupling efficient of light guide plate 3, enable this backlight module to be applied to type thin liquid crystal display device
In, and it is prevented from the backlight module light that backlight 2 causes because of para-position dislocation when bending with light guide plate 3
Loss, enable this backlight module to be applied in curved surface liquid crystal indicator.
In sum, the backlight of the present invention, including: circuit board, the several LED being located on circuit board
Lamp, the several support shell fragments being located on circuit board and the several elastic pressuring plates being installed on circuit board, institute
Stating several LED and be arranged in a row with the incidence surface facing to light guide plate, described several support shell fragments are arranged in a row
The bottom surface adjacent to support light guide plate incidence surface, described several elastic pressuring plates are arranged in a row to compress light guide plate
The end face that incidence surface is adjacent, so that it is guaranteed that the LED of backlight is accurate with the incidence surface para-position of light guide plate,
Promote the light coupling efficient of backlight and light guide plate, improving product quality.The backlight module of the present invention, has
High light coupling efficient, it is possible to be applied to type thin liquid crystal display device and curved surface liquid crystal indicator.
The above, for the person of ordinary skill of the art, can be according to the technical side of the present invention
Other various corresponding changes and deformation are made in case and technology design, and all these change and deformation are all answered
Belong to the protection domain of appended claims of the present invention.
Claims (10)
1. a backlight, for the incidence surface luminescence towards a light guide plate, it is characterised in that including:
Circuit board (22), the several LED (24) being located on circuit board (22), it is located at circuit board (22)
On several support shell fragments (26) and several elastic pressuring plates (28) of being installed on circuit board (22),
Described several LED (24) is arranged in a row with the incidence surface facing to light guide plate, described several support shell fragments
(26) being arranged in a row to support the bottom surface that light guide plate incidence surface is adjacent, described several elastic pressuring plates (28) are arranged
The end face adjacent to compress light guide plate incidence surface in a row, so that it is guaranteed that the LED of backlight (24) with
The incidence surface para-position of light guide plate is accurate.
2. backlight as claimed in claim 1, it is characterised in that described circuit board (22) is provided with number
Individual draw-in groove (222), described several elastic pressuring plates (28) are respectively arranged in these several draw-in grooves (222).
3. backlight as claimed in claim 2, it is characterised in that described draw-in groove (222) is in dovetail
Shape, described elastic pressuring plate (28) including: pressure section (282) and be respectively arranged on described pressure section
(282) two elastic arms (284) at two ends；Described two elastic arms (284) elasticity respectively presses on circuit board
(22) two side of draw-in groove (222) is to be installed on elastic pressuring plate (28) on circuit board (22), institute
State pressure section (282) for compressing the end face of light guide plate.
4. backlight as claimed in claim 3, it is characterised in that in the middle of described pressure section (282)
Be provided with elastic (286), described elastic (286) in reverse V-shaped to provide pressure section (282) bullet
Property.
5. backlight as claimed in claim 1, it is characterised in that described circuit board is provided with several installation
Groove (224), described several support shell fragments (26) are fixedly installed in this several mounting grooves (224) respectively
In.
6. backlight as claimed in claim 5, it is characterised in that described support shell fragment (26) is in falling
U-shaped, described mounting groove (224) is corresponding in inverted U-shaped.
7. backlight as claimed in claim 1, it is characterised in that described elastic pressuring plate (28) with
Support shell fragment (26) is respectively arranged between LED (24), and lays respectively at LED (24)
Both sides up and down.
8. a backlight module, it is characterised in that including: backboard (1), be installed on backboard (1)
Backlight (2) and the light guide plate (3) that is positioned on backboard (1)；
Described backlight (2) including: circuit board (22), the several LED being located on circuit board (22)
Lamp (24), the several support shell fragments (26) being located on circuit board (22) and be installed on circuit board
(22) the several elastic pressuring plates (28) on；Described light guide plate (3) has an incidence surface；Described several
LED (24) is arranged in a row with the incidence surface facing to light guide plate (3), described several support shell fragments
(26) it is arranged in a row to support the bottom surface that light guide plate (3) incidence surface is adjacent, described several elastic pressuring plates
(28) it is arranged in a row to compress the end face that light guide plate (3) incidence surface is adjacent, so that it is guaranteed that backlight (2)
LED (24) accurate with the incidence surface para-position of light guide plate (3).
9. backlight module as claimed in claim 8, it is characterised in that described circuit board (22) is provided with
Several draw-in grooves (222), described several elastic pressuring plates (28) are respectively arranged in this several draw-in grooves (222)
In；
Described draw-in groove (222) is dovetail-shape, and described elastic pressuring plate (28) including: pressure section (282),
And it is respectively arranged on two elastic arms (284) at described pressure section (282) two ends；Described two elastic arms
(284) elasticity presses on the two side of circuit board (22) draw-in groove (222) with by elastic pressuring plate respectively
(28) being installed on circuit board (22), described pressure section (282) is used for compressing the top of light guide plate (3)
Face；
Being provided with elastic (286) in the middle of described pressure section (282), described elastic (286) is in V
Type is to provide pressure section (282) elastic；
Described circuit board (22) is provided with several mounting groove (224), described several support shell fragments (26) point
It is not fixedly installed in these several mounting grooves (224)；
Described support shell fragment (26) is in inverted U-shaped, and described mounting groove (224) is corresponding in inverted U-shaped；
Described elastic pressuring plate (28) and support shell fragment (26) are respectively arranged between LED (24),
And lay respectively at the both sides up and down of LED (24).
10. backlight module as claimed in claim 8, it is characterised in that also include being located at described leaded light
Plate (3) bottom surface and the reflector plate (4) being positioned on backboard (1), it is located at described light guide plate (3) end face
Blooming piece (5), described backboard (1) is made with metal material and is beneficial to heat radiation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610589759.7A CN105974670A (en) | 2016-07-25 | 2016-07-25 | Backlight source and backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610589759.7A CN105974670A (en) | 2016-07-25 | 2016-07-25 | Backlight source and backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105974670A true CN105974670A (en) | 2016-09-28 |
Family
ID=56950713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610589759.7A Pending CN105974670A (en) | 2016-07-25 | 2016-07-25 | Backlight source and backlight module |
Country Status (1)
| Country | Link |
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| CN (1) | CN105974670A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116068808A (en) * | 2022-12-19 | 2023-05-05 | 伟志光电（深圳）有限公司 | Side-in type backlight module |
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| CN203363843U (en) * | 2013-06-20 | 2013-12-25 | 辅讯光电工业（苏州）有限公司 | Backlight module and display device using same |
| CN105276444A (en) * | 2014-06-25 | 2016-01-27 | 乐金显示有限公司 | Curved surface backlight unit and curved surface display device including the same |
| CN205049842U (en) * | 2015-10-29 | 2016-02-24 | 北京京东方显示技术有限公司 | Backlight module and display device |
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|---|---|---|---|---|
| JP2003185994A (en) * | 2001-12-14 | 2003-07-03 | Nanox Corp | Liquid crystal display device |
| CN202102202U (en) * | 2011-04-29 | 2012-01-04 | 无锡夏普电子元器件有限公司 | Liquid crystal module |
| CN203363843U (en) * | 2013-06-20 | 2013-12-25 | 辅讯光电工业（苏州）有限公司 | Backlight module and display device using same |
| CN105276444A (en) * | 2014-06-25 | 2016-01-27 | 乐金显示有限公司 | Curved surface backlight unit and curved surface display device including the same |
| CN205049842U (en) * | 2015-10-29 | 2016-02-24 | 北京京东方显示技术有限公司 | Backlight module and display device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116068808A (en) * | 2022-12-19 | 2023-05-05 | 伟志光电（深圳）有限公司 | Side-in type backlight module |
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