CN100514137C - Display device and back light module thereof - Google Patents
Display device and back light module thereof Download PDFInfo
- Publication number
- CN100514137C CN100514137C CNB2007100891824A CN200710089182A CN100514137C CN 100514137 C CN100514137 C CN 100514137C CN B2007100891824 A CNB2007100891824 A CN B2007100891824A CN 200710089182 A CN200710089182 A CN 200710089182A CN 100514137 C CN100514137 C CN 100514137C
- Authority
- CN
- China
- Prior art keywords
- light
- support unit
- base plate
- backlight module
- holding section
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Planar Illumination Modules (AREA)
Abstract
The invention discloses a display unit and the backlight module thereof. And the backlight module comprises bottom plate, diffusion plate, at least a support unit and at least two light sources, where the support cell comprises reflection part and fastening part and is arranged between the bottom plate and the diffusion plate to separate the backlight module into at least two lighting regions, and the light sources are separately arranged in these lighting regions, and the cooperation of the light obstruction of the support cell and the light guiding effect of the reflection part can effectively reduce light leakage probability. And the display unit comprises the backlight module and a panel, where the light of the light sources will be transferred via the backlight module to the panel. And the invention can reduce the light leakage probability and raise assembling efficiency.
Description
Technical field
The present invention is relevant for a kind of display and backlight module thereof.
Background technology
See also Fig. 1, existing backlight module 10 includes base plate 11, diffuser plate 12, support unit 13a, 13b, 13c and light source 14, support unit 13a, 13b, 13c is located on the base plate 11, in order to support diffuser plate 12 and to separate out light-emitting zone A, B, C, yet, when backlight module 10 in when action, light-emitting zone A, B, C might not be simultaneously luminous (is light-emitting zone A, B, can be inserted into black picture among the C), at this moment, if support unit 13a, 13b, 13c does not do special leaded light design, the phenomenon of light leak might take place, for instance, when light-emitting zone B is inserted into black picture, and light-emitting zone A, C keeps under the luminous situation, if support unit 13a, 13b does not have special leaded light design, then light-emitting zone A, light among the C is easier to leak outside to keeping deceiving the light-emitting zone B of picture, so can cause the contrast of backlight module 10 to descend, and display effect also can be along with reduction.
In addition, existing backlight module 10 does not provide special structure assembling plate 11 and circuit board 15, so circuit board 15 may be fixed on the base plate 11 with the mode that locks, causes the inconvenience in the assembling.
Summary of the invention
In order to improve above-mentioned shortcoming, the purpose of this invention is to provide a kind of display and backlight module thereof, its support unit is located between base plate and the diffuser plate, include reflecting part and at least one holding section, by support unit backlight module is separated at least two light-emitting zones, light source is located at respectively in those light-emitting zones, and the reflecting part that the light that the light source that is positioned at those light-emitting zones is launched is subjected on the support unit conducts light, to reduce the probability of light leak, in addition, the holding section more provides circuit board directly to be assembled on the base plate by the holding section, to improve packaging efficiency.
A kind of backlight module provided by the invention includes:
One base plate includes at least one pilot hole;
One circuit board, this circuit board is arranged on this base plate, includes at least one pilot hole;
At least one support unit includes a reflecting part and at least one holding section;
One diffuser plate, this diffuser plate are located at this support unit top, and have a spacing between this diffuser plate and this support unit;
This holding section is ㄇ shape and includes fixed part, fixed part passes support unit and the holding section is suspended on the support unit, perhaps this holding section is L-shaped and directly extend shaping downwards by support unit, this support unit is located between this base plate and this diffuser plate, this backlight module is separated at least two light-emitting zones, and this pilot hole of this pilot hole of this base plate and this circuit board can be passed with this base plate and the connection fixed to one another of this circuit board in this holding section; And
At least two light sources are located at respectively in those light-emitting zones.
A kind of display provided by the invention includes:
One backlight module includes:
One base plate includes at least one pilot hole;
One circuit board, this circuit board is arranged on this base plate, includes at least one pilot hole;
At least one support unit includes a reflecting part and at least one holding section;
One diffuser plate, this diffuser plate are located at this support unit top, and have a spacing between this diffuser plate and this support unit;
This holding section is ㄇ shape and includes fixed part, fixed part passes support unit and the holding section is suspended on the support unit, perhaps this holding section is L-shaped and directly extend shaping downwards by support unit, this support unit is located between this base plate and this diffuser plate, this base plate and this diffuser plate are separated at least two light-emitting zones, and this pilot hole of this pilot hole of this base plate and this circuit board can be passed with this base plate and the connection fixed to one another of this circuit board in this holding section; And
At least two light sources are located at respectively in those light-emitting zones; And
One panel, the light of this light source are passed on this panel after by this backlight module.
According to such scheme, the present invention is significant with respect to the effect of existing structure: display provided by the invention and backlight module thereof, backlight module includes base plate, circuit board, at least one support unit and at least two light sources, support unit is located between base plate and the diffuser plate, include reflecting part and at least one holding section, by support unit backlight module is separated at least two light-emitting zones, light source is located at respectively in those light-emitting zones, and the reflecting part that the light that the light source that is positioned at those light-emitting zones is launched is subjected on the support unit conducts light, to reduce the probability of light leak, in addition, the holding section more provides circuit board directly to be assembled on the base plate by the holding section, to improve packaging efficiency.
Description of drawings
Fig. 1 is the synoptic diagram of existing backlight module.
Fig. 2 is the decomposing schematic representation of backlight module of the present invention.
Fig. 3 is another visual angle synoptic diagram of backlight module.
Fig. 4 is the synoptic diagram of display of the present invention.
Fig. 5 is the decomposing schematic representation of another embodiment of backlight module of the present invention.
Fig. 6 is the synoptic diagram of another embodiment of backlight module of the present invention.
The main element symbol description
Prior art
10～backlight module; 11～base plate;
12～diffuser plate; 13a, 13b, 13c～support unit;
14～light source; A, B, C～light-emitting zone.
The present invention
20,40～backlight module; 21,41～base plate;
211,241,411,441～pilot hole;
22,42～diffuser plate; 23a, 23b, 43a, 43b～support unit;
231a, 231b, 431a, 431b～reflecting part;
232a, 232b, 432a, 432b～holding section;
233a, 233b, 433a, 433b～bottom;
234a, 234b～fixed part; 235a, 235b～trip;
24,44～circuit board; 25,45～light source;
A, B, C～light-emitting zone; 30～display;
31～panel.
Embodiment
For above and other objects of the present invention, feature and advantage can be become apparent, hereinafter enumerate preferred embodiment especially, and cooperate appended graphicly, be described in detail below.
See also Fig. 2,3, backlight module 20 of the present invention includes base plate 21, diffuser plate 22, support unit 23a, 23b and circuit board 24, circuit board 24 is located on this base plate 21 and is included at least one pilot hole 241, and also be provided with pilot hole 211 on the base plate 21, and, when circuit board 24 and base plate 21 are overlapping, pilot hole 241 overlaps mutually with pilot hole 211, support unit 23a, 23b includes reflecting part 231a, 231b and holding section 232a, 232b, by holding section 232a, 232b is with support unit 23a, 23b is fixed on base plate 21 and the circuit board 24, it should be noted, the holding section 232a of present embodiment, 232b roughly is ㄇ shape shape, it includes fixed part 234a, 234b and trip 235a, 235b, the fixed part 234a of holding section 232a can pass support unit 23a, holding section 232a can be suspended on the support unit 23a, as shown in Figure 2, holding section 232a, 232b and support unit 23a, 23b connects, and support unit 23a, 23b strip shape triangular in shape, and, support unit 23a, 23b also includes bottom 233a, 233b, include pilot hole 211 on base plate 21 and the circuit board 24,241, trip 235a extend downwards and protrude from the bottom 233a, utilize trip 235a to pass pilot hole 211,241 to grip base plate 21 and circuit board 24, so base plate 21, circuit board 24 and support unit 23a can be fixed to one another by holding section 232a, in like manner, holding section 232b makes base plate 21 according to same way as, circuit board 24 and support unit 23b are fixed to one another.
See also Fig. 4, backlight module 20 more includes light source 25, light source 25 is arranged on the circuit board 24, and electrically connect with circuit board 24, by support unit 23a, 23b separates out light-emitting zone A with backlight module 20, B, C, because support unit 23a, 23b is provided with reflecting part 231a, 231b, so be positioned at the light that the light source 25 of light-emitting zone A light of being launched and the light source 25 that is positioned at light-emitting zone B are launched, and the light launched of the light source 25 that the is positioned at light-emitting zone C 231a of portion that can be reflected, the 231b reflection, and light is concentrated on separately light-emitting zone A, B, among the C, it should be noted, in present embodiment, reflecting part 231a, 231b is by the made or reflecting part 231a of polycarbonate (PC) material of a high reflection, 231b is white reflection sheet (white sheet), polycarbonate (PC) material or white reflection sheet (white sheet) by the height reflection make support unit 23a, 23b reflects the light of light source 25 fully in light-emitting zone A respectively, B, among the C, because backlight module 20 is when action, light-emitting zone A, B, C might not be simultaneously luminous (promptly in light-emitting zone A, B, can be inserted into black picture among the C), for example, if make the light-emitting zone B of backlight module 20 luminous, and at light-emitting zone A, insert when deceiving picture among the C, the light that light source produced among the light-emitting zone B 231a of portion that to be reflected, the 231b reflection, light is concentrated among the light-emitting zone B, with the light source 25 of guaranteeing light-emitting zone B can light leak to light-emitting zone A, among the C, therefore can effectively reduce the probability of light leak, so backlight module 20 of the present invention can provide preferable contrast, to improve display effect, in addition, holding section 232a, 232b more provides circuit board 24 by holding section 232a, 232b directly is assembled on the base plate 21, to improve packaging efficiency.
See also Fig. 4, display 30 includes backlight module 20 and panel 31, after light source 25 in the backlight module 20 is passed to diffuser plate 22 with light, light can pass diffuser plate 22 and be passed to panel 31 places, because support unit 23a, 23b on the backlight module 20 can reduce the probability of the light light leak among each light-emitting zone A, B, the C effectively, so backlight module 20 can provide preferable contrast, improves the display effect of display 30 more.
See also Fig. 5, this figure is another embodiment of backlight module 40 of the present invention, backlight module 40 includes base plate 41, diffuser plate 42, support unit 43a, 43b and circuit board 44, circuit board 44 is located on this base plate 41 and is included at least one pilot hole 441, and also be provided with pilot hole 411 on the base plate 41, and, when circuit board 44 and base plate 41 are overlapping, pilot hole 441 overlaps mutually with pilot hole 411, support unit 43a, 43b includes reflecting part 431a, 431b and holding section 432a, 432b (please arrange in pairs or groups and consult Fig. 6), by holding section 432a, 432b is with support unit 43a, 43b is fixed on base plate 41 and the circuit board 44, it should be noted, support unit 43a, 43b strip shape triangular in shape, and, support unit 43a, 43b also includes bottom 433a, 433b, and the holding section 432a of present embodiment, the roughly L-shaped shape of 432b and directly by support unit 43a, 43b extends shaping downwards, include pilot hole 411 on base plate 41 and the circuit board 44,441, utilize holding section 432a to pass pilot hole 411,441 to grip base plate 41 and circuit board 44, so base plate 41, circuit board 44 and support unit 43a can be fixed to one another by holding section 432a, in like manner, the holding section 432b on the support unit 43b makes base plate 41 according to same way as, circuit board 44 and support unit 43b are fixed to one another.
See also Fig. 6, backlight module 40 more includes light source 45, light source 45 is arranged on the circuit board 44, and electrically connect with circuit board 44, by support unit 43a, 43b separates out light-emitting zone A with backlight module 40, B, C, because support unit 43a, 43b is provided with reflecting part 431a, 431b, so be positioned at the light that the light source 45 of light-emitting zone A light of being launched and the light source 45 that is positioned at light-emitting zone B are launched, and the light launched of the light source 45 that the is positioned at light-emitting zone C 431a of portion that can be reflected, the 431b reflection, and light is concentrated on separately light-emitting zone A, B, among the C, it should be noted, in present embodiment, reflecting part 431a, 431b is the made or reflecting part 431a of polycarbonate (PC) material by a high reflection, 431b is white reflection sheet (white sheet), polycarbonate (PC) material or white reflection sheet (white sheet) by the height reflection make support unit 43a, 43b reflects the light of light source 45 fully in light-emitting zone A respectively, B, among the C, because backlight module 40 is when action, light-emitting zone A, B, C might not be simultaneously luminous (promptly in light-emitting zone A, B, can be inserted into black picture among the C), for example, if make the light-emitting zone B of backlight module 40 luminous, and at light-emitting zone A, insert when deceiving picture among the C, the light that light source produced among the light-emitting zone B 431a of portion that to be reflected, the 431b reflection, light is concentrated among the light-emitting zone B, with the light source 45 of guaranteeing light-emitting zone B can light leak to light-emitting zone A, among the C, therefore can effectively reduce the probability of light leak, so backlight module 40 of the present invention can provide preferable contrast, to improve display effect, in addition, holding section 432a, 432b more provides circuit board 44 by holding section 432a, 432b directly is assembled on the base plate 41, to improve packaging efficiency.
Though the present invention discloses as above with preferred embodiment; yet it is not in order to limiting the present invention, anyly has the knack of this skill person, without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is as the criterion when looking the scope that claims define.
Claims (7)
1. a backlight module is characterized in that, includes:
One base plate includes at least one pilot hole;
One circuit board, this circuit board is arranged on this base plate, includes at least one pilot hole;
At least one support unit includes a reflecting part and at least one holding section;
One diffuser plate, this diffuser plate are located at this support unit top, and have a spacing between this diffuser plate and this support unit;
This holding section is ㄇ shape and includes fixed part, fixed part passes support unit and the holding section is suspended on the support unit, perhaps this holding section is L-shaped and directly extend shaping downwards by support unit, this support unit is located between this base plate and this diffuser plate, this backlight module is separated at least two light-emitting zones, and this pilot hole of this pilot hole of this base plate and this circuit board can be passed with this base plate and the connection fixed to one another of this circuit board in this holding section; And
At least two light sources are located at respectively in those light-emitting zones.
2. backlight module as claimed in claim 1 is characterized in that this holding section includes a trip, and this trip catches on this base plate to fix this base plate and this circuit board.
3. backlight module as claimed in claim 1 is characterized in that, this reflecting part is to be made by the polycarbonate material of a high reflection.
4. backlight module as claimed in claim 1 is characterized in that, this reflecting part includes a white reflection sheet.
5. a display is characterized in that, includes:
One backlight module includes:
One base plate includes at least one pilot hole;
One circuit board, this circuit board is arranged on this base plate, includes at least one pilot hole;
At least one support unit includes a reflecting part and at least one holding section;
One diffuser plate, this diffuser plate are located at this support unit top, and have a spacing between this diffuser plate and this support unit;
This holding section is ㄇ shape and includes fixed part, fixed part passes support unit and the holding section is suspended on the support unit, perhaps this holding section is L-shaped and directly extend shaping downwards by support unit, this support unit is located between this base plate and this diffuser plate, this base plate and this diffuser plate are separated at least two light-emitting zones, and this pilot hole of this pilot hole of this base plate and this circuit board can be passed with this base plate and the connection fixed to one another of this circuit board in this holding section; And
At least two light sources are located at respectively in those light-emitting zones; And
One panel, the light of this light source are passed on this panel after by this backlight module.
6. display as claimed in claim 5 is characterized in that, this reflecting part is made by the polycarbonate material of a high reflection.
7. display as claimed in claim 5 is characterized in that, this reflecting part includes a white reflection sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100891824A CN100514137C (en) | 2007-03-21 | 2007-03-21 | Display device and back light module thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100891824A CN100514137C (en) | 2007-03-21 | 2007-03-21 | Display device and back light module thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101021642A CN101021642A (en) | 2007-08-22 |
| CN100514137C true CN100514137C (en) | 2009-07-15 |
Family
ID=38709464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100891824A Expired - Fee Related CN100514137C (en) | 2007-03-21 | 2007-03-21 | Display device and back light module thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100514137C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4631938B2 (en) * | 2008-06-18 | 2011-02-16 | ソニー株式会社 | Clip and backlight assembly |
| RU2472065C1 (en) * | 2008-11-05 | 2013-01-10 | Шарп Кабусики Кайся | Support unit, lighting device and display device |
| JP2019160688A (en) * | 2018-03-15 | 2019-09-19 | シャープ株式会社 | Lighting device and display device including the same |
-
2007
- 2007-03-21 CN CNB2007100891824A patent/CN100514137C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101021642A (en) | 2007-08-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10151472B2 (en) | LED strip light for shelf signboards | |
| EP3339728B1 (en) | Led strip light for shelf signboards | |
| CN102621744A (en) | Liquid crystal display device | |
| CN203455561U (en) | Reflector plate, backlight module and display device | |
| CN102121670A (en) | Light guide board, backlight module and method for transmitting light | |
| US20110149595A1 (en) | Light guide plate, backlight module and method of guiding light | |
| CN103091899B (en) | Display device and backlight module thereof | |
| CN101561101A (en) | Backlight module | |
| CN101025507B (en) | Liquid crystal display device | |
| CN202203802U (en) | Backlight | |
| CN100514137C (en) | Display device and back light module thereof | |
| CN103672588A (en) | Backlight module, display device and television | |
| CN201622411U (en) | Direct type backlight panel | |
| CN207096639U (en) | A kind of backlight module | |
| CN212009229U (en) | Backlight module, liquid crystal display module and liquid crystal display device | |
| US8858052B2 (en) | Backlight module | |
| CN100368894C (en) | Protective structure for light source | |
| CN201310821Y (en) | Light-guiding plate and backlight module | |
| CN202580713U (en) | Flat light-emitting diode (LED) lamp | |
| CN202972966U (en) | Back plate of backlight source, backlight source and display device | |
| CN207880541U (en) | LED flat lamp and its Rimless diffusion shell | |
| CN209962057U (en) | LED backlight structure | |
| CN100388079C (en) | Backlight module | |
| CN102588803A (en) | Plate type LED lamp | |
| US8602622B2 (en) | Backlight module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090715 Termination date: 20210321 |