CN218273005U - Backlight that radiating effect is good - Google Patents
Backlight that radiating effect is good Download PDFInfo
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- CN218273005U CN218273005U CN202222523080.1U CN202222523080U CN218273005U CN 218273005 U CN218273005 U CN 218273005U CN 202222523080 U CN202222523080 U CN 202222523080U CN 218273005 U CN218273005 U CN 218273005U
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- lower iron
- frame
- iron frame
- guide plate
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Abstract
The utility model discloses a backlight source with good heat dissipation effect, which comprises a lower iron frame, a rubber frame, a light bar, a light guide plate, a diaphragm component and a display screen; mounting holes are formed in two sides of one end of the lower iron frame; the rubber frame is arranged in the lower iron frame; one end of the rubber frame is provided with a light-transmitting opening; the light bar is arranged on the inner side of one end of the lower iron frame, and the light emitting surface of the light bar faces the light transmitting opening; two ends of the light bar are arranged in the mounting holes through screws; the light guide plate is arranged in the rubber frame, and one end of the light guide plate is blocked with the light-transmitting opening; the membrane assembly comprises a reflecting film, a diffusion film and a brightness enhancement film; the reflecting film is arranged between the inner bottom wall of the lower iron frame and the bottom surface of the light guide plate; the diffusion film is arranged on the top surface of the light guide plate; the brightness enhancement film is arranged on the top surface of the diffusion film; the display screen is arranged on the top surface of the brightness enhancement film. The utility model discloses lamp strip radiating effect is good.
Description
Technical Field
The utility model belongs to the technical field of the backlight, concretely relates to backlight that radiating effect is good.
Background
The backlight is a light source located behind a Liquid Crystal Display (LCD) to provide the LCD with a uniform, stable, and bright plane light source, so that the LCD can display images. The backlight source has wide application, such as a mobile phone, a palm computer, a digital camera, a computer screen or a notebook computer screen.
In the existing backlight source die, the lamp strip is usually arranged in the rubber frame, so that the lamp strip is isolated from the outside more thoroughly, and the radiating effect of the LED lamp of the lamp strip is extremely poor.
SUMMERY OF THE UTILITY MODEL
The utility model provides a backlight that radiating effect is good for solving above-mentioned technical problem.
The utility model discloses a realize its technological effect and the solution that adopts does:
a backlight source with good heat dissipation effect comprises a lower iron frame, a rubber frame, a light bar, a light guide plate, a diaphragm assembly and a display screen; mounting holes are formed in two sides of one end of the lower iron frame; the rubber frame is arranged in the lower iron frame; one end of the rubber frame is provided with a light-transmitting opening; the light bar is arranged on the inner side of one end of the lower iron frame, and the light emitting surface of the light bar faces the light transmitting opening; two ends of the light bar are arranged in the mounting holes through screws; the light guide plate is arranged in the rubber frame, and one end of the light guide plate is blocked with the light-transmitting opening; the membrane assembly comprises a reflecting film, a diffusion film and a brightness enhancement film; the reflecting film is arranged between the inner bottom wall of the lower iron frame and the bottom surface of the light guide plate; the diffusion film is arranged on the top surface of the light guide plate; the brightness enhancement film is arranged on the top surface of the diffusion film; the display screen is arranged on the top surface of the brightness enhancement film.
Preferably, positioning columns are arranged on the inner walls of the two sides of the lower iron frame; the outer side walls of two sides of the rubber frame are provided with positioning grooves; the positioning column is inserted in the positioning groove in a sliding manner.
Preferably, the inside of both sides of frame is provided with the reinforcing groove to glue.
Preferably, a positioning strip is arranged on the inner wall of one end of the lower iron frame; a movable groove is formed in the back of the lamp strip; the positioning strip is inserted in the moving groove in a sliding mode.
Preferably, a clamping groove is formed in one outer side of one end of the lower iron frame; a card is arranged at one end of the lamp strip; the card is clamped in the clamping groove.
Preferably, light shading glue is arranged on the periphery of the top face of the light enhancement film.
Preferably, the top surface of the display screen is provided with a protective film.
The beneficial effects of the utility model are that: the lamp strip sets up the one end inboard of chase down, and the heat that the LED lamp during operation produced directly transmits the external world through chase down, compares the radiating effect better with the lamp strip that traditional setting was gluing in the frame.
Drawings
Fig. 1 is an exploded schematic view of a backlight source disclosed in an embodiment of the present invention;
FIG. 2 is a top view of the exploded iron frame of the embodiment of the present invention;
fig. 3 is a side sectional view of the lower chase in accordance with the embodiment of the present invention;
fig. 4 is a top view and a cross-sectional view of the rubber frame disclosed in the embodiment of the present invention.
And (3) identification and explanation: 1-lower iron frame, 11-mounting hole, 12-positioning column, 13-positioning strip, 14-clamping groove, 2-glue frame, 21-light transmission opening, 22-positioning groove, 23-reinforcing groove, 3-light bar, 31-moving groove, 32-clamping plate, 4-light guide plate, 5-display screen, 6-reflecting film, 7-diffusion film, 8-brightness enhancement film, 9-shading glue and 10-protective film.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When one element is referred to as being "fixedly attached" to another element, it can be fixedly attached by welding, bolting, gluing, or the like.
Referring to fig. 1-4, in a preferred embodiment of the present invention, a backlight with good heat dissipation effect is disclosed, which includes a lower iron frame 1, a rubber frame 2, a light bar 3, a light guide plate 4, a diaphragm assembly and a display screen 5; mounting holes 11 are formed in two sides of one end of the lower iron frame 1; the rubber frame 2 is arranged in the lower iron frame 1; one end of the rubber frame 2 is provided with a light-transmitting opening 21; the light bar 3 is arranged on the inner side of one end of the lower iron frame 1, and the light emitting surface of the light bar 3 faces the light transmitting opening 21; two ends of the lamp strip 3 are arranged in the mounting holes 11 through screws; the light guide plate 4 is arranged in the rubber frame 2, and one end of the light guide plate 4 is blocked with the light-transmitting opening 21; the membrane assembly comprises a reflecting film 6, a diffusion film 7 and a brightness enhancement film 8; the reflecting film 6 is arranged between the inner bottom wall of the lower iron frame 1 and the bottom surface of the light guide plate 3; the diffusion film 7 is arranged on the top surface of the light guide plate 4; the brightness enhancement film 8 is arranged on the top surface of the diffusion film 7; the display screen 5 is arranged on the top surface of the brightness enhancement film 8.
Specifically, positioning columns 12 are arranged on the inner walls of two sides of the lower iron frame 1; the outer side walls of two sides of the rubber frame 2 are provided with positioning grooves 22; the positioning column 12 is slidably inserted into the positioning groove 22. The positioning column 12 and the positioning groove 22 are matched to make the installation and positioning between the rubber frame 2 and the lower iron frame 1 more convenient and faster.
Specifically, the inside of the two sides of the rubber frame 2 is provided with a reinforcing groove 23 for reinforcing the strength of the two sides of the rubber frame 2. Furthermore, the reinforcing groove 23 is tightly combined with the positioning column 12, so that high-strength protection structures are formed on two sides of the rubber frame 2 and two sides of the lower iron frame 1, and the backlight source can be effectively protected.
Specifically, a positioning strip 13 is arranged on the inner wall of one end of the lower iron frame 1; a moving groove 31 is formed in the back of the lamp strip 3; the positioning strip 13 is slidably inserted into the moving groove 31, so that the lamp strip 3 can be rapidly and accurately installed at a preset installation position inside the lower iron frame 1.
Specifically, a clamping groove 14 is formed in one outer side of one end of the lower iron frame 1; a card 32 is arranged at one end of the light bar 3; the card 32 is captured within the card slot 14.
Specifically, the periphery of the top surface of the bright enhancement film 8 is provided with a light shading glue 9. The light-shielding glue 9 prevents light from leaking from a gap between the bright enhancement film 8 and the glue frame.
Specifically, the top surface of the display screen 5 is provided with a protective film 10 for preventing the surface of the display screen 5 from being scratched.
According to the above description, the utility model discloses the lamp strip radiating effect is good.
While the preferred embodiments of the present invention have been illustrated in detail in the accompanying drawings, it should be understood that the scope of the present invention includes, but is not limited to, the above embodiments; the specific structure disclosed in the drawings is only a preferred embodiment of the present invention, and those skilled in the art can also develop other embodiments on this basis, and any simple deformation or equivalent replacement without departing from the innovative concept of the present invention is covered by the present invention, which belongs to the protection scope of the present invention.
Claims (7)
1. The utility model provides a backlight that radiating effect is good which characterized in that includes:
a lower iron frame; mounting holes are formed in two sides of one end of the lower iron frame;
a rubber frame; the rubber frame is arranged in the lower iron frame; one end of the rubber frame is provided with a light-transmitting opening;
a light bar; the light bar is arranged on the inner side of one end of the lower iron frame, and the light emitting surface of the light bar faces the light transmitting opening; two ends of the light bar are arranged in the mounting holes through screws;
a light guide plate; the light guide plate is arranged in the rubber frame, and one end of the light guide plate is blocked with the light-transmitting opening;
a diaphragm assembly; the membrane assembly comprises a reflecting film, a diffusion film and a brightness enhancement film; the reflecting film is arranged between the inner bottom wall of the lower iron frame and the bottom surface of the light guide plate; the diffusion film is arranged on the top surface of the light guide plate; the brightness enhancement film is arranged on the top surface of the diffusion film;
a display screen; the display screen is arranged on the top surface of the brightness enhancement film.
2. The backlight source with good heat dissipation effect as claimed in claim 1, wherein: positioning columns are arranged on the inner walls of the two sides of the lower iron frame; the outer side walls of the two sides of the rubber frame are provided with positioning grooves; the positioning column is inserted in the positioning groove in a sliding manner.
3. The backlight source with good heat dissipation effect as claimed in claim 1, wherein: and reinforcing grooves are formed in the two sides of the rubber frame.
4. The backlight source with good heat dissipation effect as claimed in claim 1, wherein: a positioning strip is arranged on the inner wall of one end of the lower iron frame; a movable groove is formed in the back of the lamp strip; the positioning strip is inserted in the moving groove in a sliding mode.
5. The backlight source with good heat dissipation effect as claimed in claim 4, wherein: a clamping groove is formed in one outer side of one end of the lower iron frame; a card is arranged at one end of the lamp strip; the card is clamped in the clamping groove.
6. The backlight source with good heat dissipation effect as claimed in claim 1, wherein: and light shading glue is arranged on the periphery of the top surface of the bright enhancement film.
7. The backlight source with good heat dissipation effect as claimed in claim 1, wherein: and a protective film is arranged on the top surface of the display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222523080.1U CN218273005U (en) | 2022-09-21 | 2022-09-21 | Backlight that radiating effect is good |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222523080.1U CN218273005U (en) | 2022-09-21 | 2022-09-21 | Backlight that radiating effect is good |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218273005U true CN218273005U (en) | 2023-01-10 |
Family
ID=84716221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222523080.1U Active CN218273005U (en) | 2022-09-21 | 2022-09-21 | Backlight that radiating effect is good |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218273005U (en) |
-
2022
- 2022-09-21 CN CN202222523080.1U patent/CN218273005U/en active Active
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