CN206347394U - A kind of backlight and display module - Google Patents
A kind of backlight and display module Download PDFInfo
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- CN206347394U CN206347394U CN201621291374.4U CN201621291374U CN206347394U CN 206347394 U CN206347394 U CN 206347394U CN 201621291374 U CN201621291374 U CN 201621291374U CN 206347394 U CN206347394 U CN 206347394U
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- framework
- backlight
- luminescence component
- lamp bar
- light
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Abstract
The utility model discloses a kind of backlight, it includes framework, the light guide plate in the framework and the luminescence component along framework madial wall setting；The luminescence component includes flexible PCB and the long lamp bar being connected electrically on the flexible PCB, and the long lamp bar includes flexible base board, some light sources being fitted on the flexible base board.The invention also discloses a kind of display module.This backlight, it uses flexible luminescence component, and the luminescence component is that long lamp bar is fitted on flexible substrates by way of flip-chip, it is no longer necessary to gold thread；Due to no gold thread, and without welding in the plane, then long lamp bar can realize irregular shape bending, bending；The backlight of the regular shapes such as pure circle can be realized using the long lamp bar.
Description
Technical field
The utility model relate to backlight technology field, more particularly to a kind of backlight and display module.
Background technology
Existing intelligent watch, instrument board etc. need profile to be the backing structure of the regular shapes such as circle.As shown in figure 1, its
The existing backing structure for coordinating circle AA areas display panel is shown, luminescence component is mainly used as using individually encapsulation LED 1 '
It is disposed therein below side, such as Fig. 1.As shown in Fig. 2 which show the schematic diagrames of encapsulation LED 1 ' conventional at present, conventional LED
1 ' it is internal have the connection of gold thread 13 ', LED chips 12 ' need to be encapsulated in plastic casing 11 ', and profile can not deformation, then this LED
1 ' need to be welded in the plane, therefore the luminescence component of backing structure will be assembled in the plane, so as to limit backing structure
Profile, as shown in figure 1, this backing structure, which puts the positions of LED 1 ', needs protrusion, then the profile of backing structure does not accomplish circle, greatly
Limit it and use scope.
Utility model content
Technical problem to be solved in the utility model there is provided a kind of backlight, and it uses flexible luminescence component, should
Luminescence component is that long lamp bar is fitted on flexible substrates by way of flip-chip, it is no longer necessary to gold thread；Due to no gold
Line, and without welding in the plane, then long lamp bar can realize irregular shape bending, bending.
The utility model additionally provides a kind of display module.
Technical problem to be solved in the utility model is achieved by the following technical programs：
A kind of backlight, it includes framework, light guide plate in the framework and sets along the framework madial wall
Luminescence component；The luminescence component includes flexible PCB and the long lamp bar being connected electrically on the flexible PCB, the long lamp
Bar includes flexible base board, some light sources being fitted on the flexible base board.
A kind of improvement of the backlight provided as the utility model, the light source is LED chip or chipset, the core
Piece group is made up of at least one of RGB monochromatic light chips.
Covered with light conversion film above a kind of improvement of the backlight provided as the utility model, the light source, make hair
Optical assembly sends white light.
A kind of improvement of the backlight provided as the utility model, the flexible PCB is FPC or PCB.
A kind of improvement of the backlight provided as the utility model, the flexible base board laminating light source side has
Connect the connection line between the light source.
A kind of improvement of the backlight provided as the utility model, the opposite side of the flexible base board has the flexibility
The part circuit of circuit board, it is electrically connected to form complete circuit by solder joint and the flexible PCB.
A kind of improvement of the backlight provided as the utility model, the luminescence component is arranged on the framework madial wall
A circle or a part, the remainder of the framework madial wall sets adhesive tape.
A kind of improvement of the backlight provided as the utility model, the adhesive tape is fitted in the framework by double faced adhesive tape
On madial wall；Or, the adhesive tape is integrally formed by injection with the framework.
A kind of improvement of the backlight provided as the utility model, the luminescence component passes through double faced adhesive tape or heat conduction sticker
Close on the framework madial wall.
A kind of improvement of the backlight provided as the utility model, in addition to it is arranged on the optics above the light guide plate
Film and/or the reflector plate being arranged on below the light guide plate.
A kind of improvement of the backlight provided as the utility model, in addition to it is arranged on the screening above the luminescence component
Mating plate.
A kind of improvement of the backlight provided as the utility model, in addition to be arranged between the anti-dazzling screen and framework
Inviscid film.
A kind of improvement of the backlight provided as the utility model, the inviscid film is PE, PET or the second diffusion
Film.
A kind of improvement of the backlight provided as the utility model, the inviscid film is folded into from the framework front
The back side, the framework back side is fitted in through double faced adhesive tape.
A kind of improvement of the backlight provided as the utility model, the regular shape is circular, oval or polygon
Shape.
A kind of display module, it includes the display panel being mutually correspondingly arranged and such as any above-mentioned backlight.
The utility model has the advantages that：This backlight, it uses flexible luminescence component, the luminescence component be by
Long lamp bar is fitted on flexible substrates by way of flip-chip, it is no longer necessary to gold thread；Due to no gold thread, and without welding
In the plane, then long lamp bar can realize irregular shape bending, bending；The long lamp bar and flexible PCB is flexible is fitted in
On the curved surface madial wall of backlight frame, the backlight of the regular shapes such as pure circle can be achieved, other structures can also be according to the back of the body
Light source profile is adjusted, simple in construction, easy to operate, is widened it and is used scope.
Brief description of the drawings
Fig. 1 is existing circular backing structure；
Fig. 2 is the LED structure schematic diagram at A in Fig. 1；
Fig. 3 is the structural representation of the utility model backlight；
Fig. 4 is the structural representation of luminescence component in the utility model backlight；
Fig. 5 be the utility model luminescence component in long lamp bar do not bend before structural representation；
Fig. 6 is the sectional view at C in Fig. 5；
Fig. 7 is the sectional view at B-B in Fig. 3；
Fig. 8 is the upward view of the utility model backlight.
Embodiment
The utility model is described in detail with reference to embodiment, embodiment is only preferred reality of the present utility model
Mode is applied, is limited of the present utility model.
Embodiment 1
As shown in Figure 3,4, which show a kind of backlight that the present embodiment is provided, it includes framework 1, light guide plate 2 and hair
Optical assembly 3, the light guide plate 2 is located in the framework 1, and the luminescence component 3 is set along the madial wall of framework 1, and this lights
The exiting surface of component 3 is set towards the incident side of light guide plate 2；Wherein, the luminescence component 3 includes flexible PCB 31 and long
Lamp bar 32, the long lamp bar 32 includes flexible base board 321, some light sources 322 being fitted on the flexible base board 321, described
The long bottom of lamp bar 32 is provided with some solder joints, and being electrically connected for flexible PCB 31 and some light sources 322 is realized through some solder joints
Connect.
Fig. 5,6 are refer to, as an improvement mode, some light sources 322 are uniformly distributed or be non-uniformly distributed in institute
State on flexible base board 321, the utility model is preferably evenly distributed through on the flexible base board 321.The light source 322 can be
The long lamp bar 32 of LED chip or chipset, i.e. whole piece has multiple independent chips or chipset.Wherein, when the light source 322 is
During LED chip, the top of light source 322 makes long lamp bar 32 send white light covered with light conversion film 323；Specifically, independent chip
When can be that blue-ray LED+yellow fluorescent powder film makes long lamp bar 32 send common white light or blue led+RG fluorescent powder membranes
Long lamp bar 32 is sent high colour gamut white light, but be not limited to this.When the light source 322 is chipset, if chipset is in RGB
Any or any two monochromatic light chips composition, then its top is covered with light conversion film 323, and it can be collocation chipset institute
The fluorescent material or quantum dot film of the respective color lacked, make long lamp bar 32 send white light；If chipset is RGB chipsets, its
Top is covered with the light conversion film 323 without light translation function, i.e. hyaline membrane.Chipset is also not only above-mentioned in this way, more multiple
Miscellaneous situation is that one or more kinds of colors in multi-chip group have multiple chips, such as RGGB, RRGGB etc., and this is existing
Known technology, will not be described in detail herein.It should be noted that only being illustrated in figure for multi-chip group with a profile.
As an improvement mode, the light conversion film 323 preferably covers the top of light source 322 by hot pressing,
Fitted with the flexible base board 321；The light conversion film 323 can also be multilayer complex films, can also be close to the light source 322
Side has viscosity, laminating of being more convenient for.The light conversion film 323 is the fluorescent powder membrane containing single or multiple color mixing,
It can be the quantum dot film of single or the mixing of multiple color quantum dot, can also be different colours or same color quantum dot
With the mixing of fluorescent material.The powder such as fluorescent material or quantum dot preferably with the uniform combination drying film forming of transparent solvent.For example using BG
During color chips, the light conversion film 323 can have red fluorescence powder either red quantum dot, or both mixture or
Increase other color fluorescence powder or quantum dot.Also for example using blue B chips, then the light conversion film 323 can have RG glimmering
Either RG quantum dots or both mix or added other color fluorescence powder or quantum dot to light powder.The mode arranged in pairs or groups in a word
It is varied, it can be arranged in pairs or groups according to the color of the color of LED chip, fluorescent material or quantum dot, this is existing known skill
Art, will not be described in detail herein.
As an improvement mode, the flexible base board 321 fits the side of light source 322 with the connection light source
Connection line between 322, the design of this connection line and to be in the layout of for those skilled in the art be known technology can basis
Actual conditions are designed and are laid out, and will not be described in detail herein.It is highly preferred that the opposite side of the flexible base board 321 has the flexibility
The part circuit of circuit board 31, it is electrically connected to form complete circuit by solder joint and the flexible PCB 31, can simplify flexibility
The designed lines of circuit board 31, increase design space and reduction design difficulty, further improve the stability of circuit board.
As an improvement mode, the flexible PCB 31 is FPC or PCB.The long lamp bar 32 is an entirety, is led to
SMT welding or ACF hot pressing etc. is crossed to electrically connect with flexible PCB 31.
As an improvement mode, the luminescence component 3 is preferably arranged in the framework 1 by double faced adhesive tape or heat-conducting glue
The whole circle of the one of side wall a, circle can light；Can also be a part for madial wall, according to structure and performance selection such as semicircle or
1/4 circle etc., then the remainder of the madial wall of framework 1 sets adhesive tape 4, as shown in Fig. 3,7.The adhesive tape 4 is by two-sided
Glue laminating is on the madial wall of framework 1；Or, the adhesive tape 4 is integral with the framework 1 by way of integrated injection molding
Shaping, now framework 1 has some hole positions at adhesive tape 4（Do not shown in figure）, it is easy to adhesive tape 4 during injection to fill wherein, makes adhesive tape 4
It is fitted close with framework 1.
Fig. 7 is refer to, as an improvement mode, the backlight also includes the light for being arranged on the top of light guide plate 2
Learn film 5 and/or be arranged on the reflector plate 6 of the lower section of light guide plate 2.The optical film 5 by the light emission side of light guide plate 2 outward according to
It is secondary including the first diffusion barrier 51, lower brightness enhancement film 52 and upper brightness enhancement film 53, but be not limited to this.
As an improvement mode, the backlight also includes the anti-dazzling screen 7 for being arranged on the top of luminescence component 3.Institute
Anti-dazzling screen 7 is stated away from the side of light guide plate 2 preferably black flour, opposite side can be that fine flour can also be black flour, preferably black flour,
The preferred biadhesive of the anti-dazzling screen 7.
Because the structure limitation of the luminescence component 3 of the backlight makes its top can not be formed between the anti-dazzling screen 7
Preferably paste, therefore add an inviscid film 8 between the anti-dazzling screen 7 and framework 1, it is preferred but is not limited to PE, PET
Or second diffusion barrier, preferably the second diffusion barrier, the inviscid film 8 is folded into the back side from the front of framework 1, through double faced adhesive tape
It is fitted in the back side of framework 1.The inviscid film 8 can be folded over to fit with whole circle, or the bending laminating of some extensions
To the back side of framework 1, as shown in Figure 8.If without this inviscid film 8, glass and the backlight of display panel hold
It is easily separated, then increase inviscid film between anti-dazzling screen 7 and framework 1, be attached to the back side, such anti-dazzling screen 7 just can firmly be pasted
Glass and backlight.
As an improvement mode, the framework 1 can be regular shape framework, such as circular, ellipse or polygon.Institute
It can also be irregular complex shaped frame to state framework 1, such as star, irregular polygon.The framework 1 can be brandreth
Deng metal frame or stainless steel frame.The metal frame can also be aluminium frame, and more preferably surface has the aluminium frame of corundum layer, aluminium frame
With preferable radiating effect, the heat of light source 322 can be carried out through heat-conducting glue and aluminium frame in time when long-time is using light source 322
Radiating, the effectively quick reduction heat of light source 322 further extends the life-span of light source 322 and improves backlight effect.Wherein, the corundum
Layer aoxidizes to be formed on the aluminium frame surface by anode surface, controls its hardness in 200 ~ 300HV, its chase with assembling
（Assemble the brandreth of backlight and display panel）Hardness quite, during both mutual making contacts chase will not scratch aluminium frame, from
And avoid aluminium chip from falling to mainboard and cause short circuit problem, further improve the stability and backlight effect of backlight.
Embodiment 2
A kind of display module is present embodiments provided, it includes the display panel being mutually correspondingly arranged and such as the institute of embodiment 1
The backlight stated.
Embodiment described above only expresses embodiment of the present utility model, and it describes more specific and detailed, but simultaneously
Therefore the limitation to the utility model the scope of the claims can not be interpreted as, as long as using equivalent substitution or the form of equivalent transformation institute
The technical scheme of acquisition, all should fall within protection domain of the present utility model.
Claims (10)
1. a kind of backlight, it is characterised in that it includes framework, light guide plate in the framework and along on the inside of the framework
The luminescence component that wall is set；The luminescence component includes flexible PCB and the long lamp bar being connected electrically on the flexible PCB,
The long lamp bar includes flexible base board, some light sources being fitted on the flexible base board.
2. backlight according to claim 1, it is characterised in that the light source is LED chip or chipset, the chip
Group is made up of at least one of RGB monochromatic light chips.
3. backlight according to claim 1 or 2, it is characterised in that covered with light conversion film above the light source, make hair
Optical assembly sends white light.
4. backlight according to claim 3, it is characterised in that towards the flexible PCB on the flexible base board
Side has the part circuit of the flexible PCB, and it is electrically connected to form complete electricity by solder joint and the flexible PCB
Road.
5. the backlight according to claim 1 or 4, it is characterised in that the luminescence component is arranged on the inside of the framework
A circle or a part for wall, the remainder of the framework madial wall sets adhesive tape.
6. backlight according to claim 5, it is characterised in that the also optical film including being arranged on above the light guide plate
And/or it is arranged on the reflector plate below the light guide plate.
7. backlight according to claim 1, it is characterised in that the also shading including being arranged on above the luminescence component
Piece.
8. backlight according to claim 7, it is characterised in that also including being arranged between the anti-dazzling screen and framework
Inviscid film.
9. backlight according to claim 1, it is characterised in that the framework is regular shape or irregular shape frame
Frame, the regular shape is circular, ellipse or polygon.
10. a kind of display module, it is characterised in that including the display panel being mutually correspondingly arranged and as claim 1 to 9 is any
Described backlight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621291374.4U CN206347394U (en) | 2016-11-29 | 2016-11-29 | A kind of backlight and display module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621291374.4U CN206347394U (en) | 2016-11-29 | 2016-11-29 | A kind of backlight and display module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206347394U true CN206347394U (en) | 2017-07-21 |
Family
ID=59323009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621291374.4U Active CN206347394U (en) | 2016-11-29 | 2016-11-29 | A kind of backlight and display module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206347394U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107599840A (en) * | 2017-09-11 | 2018-01-19 | 天津富民伟业科技有限公司 | Automobile instrument panel framework |
| CN110441959A (en) * | 2019-08-06 | 2019-11-12 | 深圳市利航电子有限公司 | A kind of circle screen back light source structure |
-
2016
- 2016-11-29 CN CN201621291374.4U patent/CN206347394U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107599840A (en) * | 2017-09-11 | 2018-01-19 | 天津富民伟业科技有限公司 | Automobile instrument panel framework |
| CN110441959A (en) * | 2019-08-06 | 2019-11-12 | 深圳市利航电子有限公司 | A kind of circle screen back light source structure |
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