CN211654157U - Backlight module without corner light leakage and corner shadow - Google Patents
Backlight module without corner light leakage and corner shadow Download PDFInfo
- Publication number
- CN211654157U CN211654157U CN202020752620.1U CN202020752620U CN211654157U CN 211654157 U CN211654157 U CN 211654157U CN 202020752620 U CN202020752620 U CN 202020752620U CN 211654157 U CN211654157 U CN 211654157U
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- guide plate
- light guide
- corner
- light
- lamp strip
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Abstract
The utility model discloses a backlight unit of no angle light leakage and angle shadow, comprising a base plate, be provided with on the inner wall of bottom plate and glue the frame, be provided with light guide plate and optics diaphragm in gluing the frame, optics diaphragm is located the light guide plate top, it is provided with the sticky tape to glue the frame top, the lamp strip is installed to one side of light guide plate, the corner that the light guide plate is located the lamp strip is provided with the chamfer structure, the lamp strip is located chamfer structure department and all corresponds and be provided with LED lamp pearl. The utility model discloses, two LED lamp pearls of lamp strip head and the tail slope becomes the obtuse angle, and the light guide plate that corresponds adopts the chamfer structure to do benefit to and link up with special-shaped lamp strip, better promotion optical utilization ratio.
Description
Technical Field
The utility model relates to a backlight unit technical field specifically is a backlight unit of no angle light leakage and angle shadow.
Background
The existing backlight module comprises a rubber frame, a back plate, a film material, a light bar, an LGP (light-emitting diode), an adhesive tape and the like, wherein the light bar and the light guide plate are indispensable transmission light source parts in the backlight module, the existing light bar LED is designed horizontally with two lamps at the head and the tail, the corner leaks light, and the effect is poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a backlight unit of no angle light leakage and angle shadow to solve the problem among the prior art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a backlight unit of no angle hourglass light and angle shadow, includes the bottom plate, be provided with on the inner wall of bottom plate and glue the frame, be provided with light guide plate and optics diaphragm in gluing the frame, optics diaphragm is located the light guide plate top, it is provided with the sticky tape to glue the frame top, lamp strip is installed to one side of light guide plate, the corner that the light guide plate is located the lamp strip is provided with the chamfer structure, the lamp strip is located chamfer structure department and all corresponds and is provided with LED lamp pearl.
Preferably, the lamp strip is located the chamfer structure department of light guide plate and is the obtuse angle setting.
Preferably, the light guide plate further comprises a reflector, and the light guide plate is located above the reflector.
Preferably, the adhesive tape extends out of the adhesive frame and covers the optical film.
Compared with the prior art, the beneficial effects of the utility model are that: two LED lamp pearls of lamp strip head and the tail slope becomes the obtuse angle, and the light guide plate that corresponds adopts the chamfer structure to do benefit to the linking up with special-shaped lamp strip, better promotion optical utilization ratio promotes backlight unit's quality yield, reduces the lamp pearl quantity, reduce cost, two oblique angle LED lamp pearls of head and the tail are favorable to solving corner shadow, corner light leak.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a partial cross-sectional view of the present invention.
Fig. 2 is a partial view of the longitudinal section of the present invention.
Fig. 3 is a schematic structural view of the light guide plate of the present invention.
Fig. 4 is a schematic view of a local structure of the light guide plate of the present invention.
In the figure: 1. a base plate; 2. a light guide plate; 3. a light-reflecting sheet; 4. a light bar; 5. an adhesive tape; 6. an optical film; 7. a chamfering structure; 8. LED lamp beads; 9. and (5) gluing the frame.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, in an embodiment of the present invention, a backlight module without corner light leakage and corner shadow includes a bottom plate 1, a rubber frame 9 is disposed on an inner wall of the bottom plate 1, a light guide plate 2 and an optical diaphragm 6 are disposed in the rubber frame 9, the optical diaphragm 6 is disposed above the light guide plate 2, a rubber tape 5 is disposed above the rubber frame 9, a light bar 4 is mounted on one side of the light guide plate 2, a chamfer structure 7 is disposed at a corner of the light guide plate 2 located at the light bar 4, the light bar 4 is correspondingly disposed at the chamfer structure 7 and provided with an LED light bead 8, the light bar 4 is disposed at the chamfer structure 7 of the light guide plate 2 at an obtuse angle, and further includes a reflective sheet 3, the light guide plate 2 is disposed above the reflective sheet 3, and the rubber tape 5 extends out of the rubber frame; two LED lamp pearls 8 of lamp strip head and the tail slope becomes the obtuse angle, and the light guide plate 2 that corresponds adopts the chamfer structure to do benefit to and the linking up of special-shaped lamp strip 4, better promotion optical utilization rate promotes backlight unit's quality yield, reduces LED lamp pearl 8 quantity, reduce cost, two oblique angle LED lamp pearls 8 of head and the tail are favorable to solving corner shadow, corner light leak.
The utility model discloses a theory of operation is: two LED lamp pearls 8 of lamp strip head and the tail slope becomes the obtuse angle, and the light guide plate 2 that corresponds adopts the chamfer structure to do benefit to and the linking up of special-shaped lamp strip 4, better promotion optical utilization rate promotes backlight unit's quality yield, reduces LED lamp pearl 8 quantity, reduce cost, two oblique angle LED lamp pearls 8 of head and the tail are favorable to solving corner shadow, corner light leak.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a backlight unit of no angle hourglass light sum angle shadow, includes bottom plate (1), be provided with on the inner wall of bottom plate (1) and glue frame (9), be provided with light guide plate (2) and optics diaphragm (6) in gluing frame (9), optics diaphragm (6) are located light guide plate (2) top, it is provided with sticky tape (5), its characterized in that to glue frame (9) top: light bar (4) are installed to one side of light guide plate (2), the corner that light guide plate (2) are located light bar (4) is provided with chamfer structure (7), light bar (4) are located chamfer structure (7) and all correspond and are provided with LED lamp pearl (8).
2. The backlight module of claim 1, wherein: the lamp strip (4) is located at the chamfer structure (7) of the light guide plate (2) and arranged at an obtuse angle.
3. The backlight module of claim 1, wherein: the LED backlight module is characterized by further comprising a reflector (3), wherein the light guide plate (2) is located above the reflector (3).
4. The backlight module of claim 1, wherein: the adhesive tape (5) extends out of the adhesive frame (9) and covers the optical film (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020752620.1U CN211654157U (en) | 2020-05-09 | 2020-05-09 | Backlight module without corner light leakage and corner shadow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020752620.1U CN211654157U (en) | 2020-05-09 | 2020-05-09 | Backlight module without corner light leakage and corner shadow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211654157U true CN211654157U (en) | 2020-10-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020752620.1U Active CN211654157U (en) | 2020-05-09 | 2020-05-09 | Backlight module without corner light leakage and corner shadow |
Country Status (1)
| Country | Link |
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| CN (1) | CN211654157U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115691305A (en) * | 2022-10-31 | 2023-02-03 | 惠科股份有限公司 | Light source module and display device |
-
2020
- 2020-05-09 CN CN202020752620.1U patent/CN211654157U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115691305A (en) * | 2022-10-31 | 2023-02-03 | 惠科股份有限公司 | Light source module and display device |
| CN115691305B (en) * | 2022-10-31 | 2023-11-17 | 惠科股份有限公司 | Light source module and display device |
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