CN215436248U

CN215436248U - Display device of low-power-consumption vehicle-mounted central control media multi-region display backlight source

Info

Publication number: CN215436248U
Application number: CN202120866078.7U
Authority: CN
Inventors: 邓世美; 王斌斌; 王海清; 张晨阳; 曹兴进; 罗安存
Original assignee: Zhejiang Mlk Optoelectronics Technology Co ltd
Current assignee: Zhejiang Mlk Optoelectronics Technology Co ltd
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2022-01-07
Anticipated expiration: 2031-04-26

Abstract

The utility model discloses a display device of a low-power-consumption vehicle-mounted central control medium multi-region display backlight source, which comprises a backlight source, a liquid crystal panel and a light guide plate, wherein the backlight source is glued with the liquid crystal panel, the outer side of the liquid crystal panel is fixedly provided with a protective front frame through a bolt, the bottom of the backlight source is glued with a drive IC, and the backlight source consists of the light guide plate, an LED light source, a reflecting film, a lower diffusion plate, a prism sheet, an upper diffusion plate and shading paper. The LED light sources are arranged around the light guide plate, so that the multi-area illumination is realized, the illumination intensity is high, and the light is not easy to lose in the transmission process.

Description

Display device of low-power-consumption vehicle-mounted central control media multi-region display backlight source

Technical Field

The utility model relates to the technical field of vehicle-mounted display, in particular to a display device of a low-power-consumption vehicle-mounted central control media multi-region display backlight source.

Background

The vehicle-mounted central control media system is a vehicle-mounted integrated information processing system formed by adopting a vehicle-mounted special central processing unit based on a vehicle body bus system and internet services, IVI can realize a series of applications including three-dimensional navigation, real-time road conditions, IPTV, auxiliary driving, fault detection, vehicle information, vehicle body control, mobile office, wireless communication, online entertainment functions, TSP services and the like, and the vehicle electronization, networking and intelligentization levels are greatly improved.

The backlight source is a light source positioned at the back of the liquid crystal display, the luminous effect of the backlight source directly influences the visual effect of the liquid crystal display module, and the low-power-consumption backlight source is mostly adopted in the vehicle-mounted central control display screen to reduce the consumption of electric energy in the vehicle.

The existing display device of the low-power consumption vehicle-mounted central control media display backlight source has the following defects: 1. the whole structure is simple, the multi-region display function is not achieved, adjustment cannot be conveniently conducted, 2, the light intensity is low, the light is blocked in the light conduction process, and the energy consumption of the backlight source is improved. Therefore, a display device of a low-power consumption vehicle-mounted center control medium multi-region display backlight source is provided.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a display device of a low-power-consumption vehicle-mounted central control medium multi-region display backlight source, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a display device of a low-power-consumption vehicle-mounted central control medium multi-region display backlight comprises a backlight, a liquid crystal panel and a light guide plate, wherein the backlight is glued with the liquid crystal panel, a protective front frame is fixed on the outer side of the liquid crystal panel through bolts, a driving IC is glued at the bottom of the backlight, and the backlight is composed of the light guide plate, an LED light source, a reflecting film, a lower diffusion plate, a prism sheet, an upper diffusion plate and shading paper.

Further, an LED light source is arranged outside the light guide plate, a lower diffusion plate is glued to the top of the light guide plate, an upper diffusion plate is glued to the top of the lower diffusion plate, a prism sheet is glued between the upper diffusion plate and the lower diffusion plate, a piece of light shielding paper is glued to the outside of the prism sheet, and a reflection film is glued to the bottom of the light guide plate.

Further, the edge of the reflecting film is wrapped outside the LED light source; the reflecting film can reflect the light rays irradiated by the LED light source into the light guide plate.

Further, the light shielding paper is positioned outside the lower diffusion plate, the prism sheet and the upper diffusion plate.

Further, a cushion pad is glued at the bottom of the protective front frame; the buffer pad can play a role in absorbing vibration and reducing the vibration received after the display device is installed.

Compared with the prior art, the utility model has the following beneficial effects:

1. personnel install this display device in the car on the accuse, and a plurality of LED light source work send the light and conduct to the light guide plate in, and a plurality of LED light sources are located the light guide plate respectively all around, and the luminance is even in the multizone irradiation, the luminance deviation can not appear.

2. The lower diffusion plate and the upper diffusion plate can diffuse and propagate the light irradiated from the light guide plate, and the prism sheet can reflect the light in the light transmission process, so that the diffusion range of the prism sheet is improved, and the illumination brightness of the backlight source is improved.

3. The reflective film can reflect the light that shines out of light guide plate bottom, and the reflective film edge parcel is in the LED light source outside, can reflect the light that the LED light source shines to the light guide plate in, the loss of speed reduction light source, and the shading paper carries out the shading to diffuser plate, prism piece and last diffuser plate down all around and handles, and surface light source runs off, improves the luminance of backlight to reduce its energy consumption.

Drawings

FIG. 1 is a schematic view of an overall structure of a low-power-consumption vehicular central control media multi-region display backlight device according to the present invention.

FIG. 2 is a schematic diagram of a backlight structure of a low-power-consumption vehicle-mounted middle-control-medium multi-region-display backlight display device according to the present invention.

In the figure: 1. a backlight source; 2. a liquid crystal panel; 3. a driver IC; 4. protecting the front frame; 5. a light guide plate; 6. an LED light source; 7. a reflective film; 8. a lower diffuser plate; 9. a prism sheet; 10. an upper diffuser plate; 11. a masking paper; 12. a cushion pad.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1-2, a low power consumption display device of a vehicle-mounted middle control medium multi-region display backlight source comprises a backlight source 1, a liquid crystal panel 2 and a light guide plate 5, wherein the backlight source 1 is glued with the liquid crystal panel 2, a protective front frame 4 is fixed on the outer side of the liquid crystal panel 2 through bolts, a driving IC3 is glued at the bottom of the backlight source 1, and the backlight source 1 is composed of the light guide plate 5, an LED light source 6, a reflective film 7, a lower diffusion plate 8, a prism sheet 9, an upper diffusion plate 10 and a piece of light shielding paper 11.

The LED light source 6 is arranged on the outer side of the light guide plate 5, the top of the light guide plate 5 is glued with the lower diffusion plate 8, the top of the lower diffusion plate 8 is glued with the upper diffusion plate 10, the prism sheet 9 is glued between the upper diffusion plate 10 and the lower diffusion plate 8, the outer side of the prism sheet 9 is glued with the light shielding paper 11, and the bottom of the light guide plate 5 is glued with the reflection film 7.

In this embodiment, as shown in fig. 2, the lower diffuser plate 8, the prism sheet 9 and the upper diffuser plate 10 can diffuse and amplify the light emitted from the light guide plate 5, the reflective film 7 can reflect the light emitted from the bottom of the light guide plate 5 and the LED light source 6, and the light-shielding paper 11 can prevent the light from being emitted from the outer sides of the lower diffuser plate 8 and the upper diffuser plate 10 of the prism sheet 9.

Wherein the edge of the reflecting film 7 is wrapped outside the LED light source 6.

In this embodiment, as shown in fig. 2, the reflective film 7 may reflect the light emitted from the LED light source 6 into the light guide plate 5.

Wherein, the light-shielding paper 11 is located outside the lower diffuser plate 8, the prism sheet 9 and the upper diffuser plate 10.

In this embodiment, as shown in fig. 2, the light shielding paper 11 can prevent light from being emitted from the outer sides of the lower diffuser plate 8 and the upper diffuser plate 10 of the prism sheet 9.

Wherein, the bottom of the protective front frame 4 is glued with a buffer pad 12.

In this embodiment, as shown in fig. 1, the cushion pad 12 can absorb vibration, so as to reduce the vibration after the display device is installed.

It should be noted that, the present invention is a display device of a low power consumption vehicle-mounted central control medium multi-region display backlight source, when working, a person installs the display device on a vehicle central control, a plurality of LED light sources 6 work to emit light and conduct the light into a light guide plate 5, the plurality of LED light sources 6 are respectively located around the light guide plate 5, the multi-region illumination brightness is uniform, no brightness deviation occurs, a lower diffusion plate 8 and an upper diffusion plate 10 can diffuse and propagate the light irradiated from the light guide plate 5, a prism sheet 9 can reflect the light in the light conduction process, the diffusion range is increased, thereby the illumination brightness of the backlight source 1 is increased, a reflection film 7 can reflect the light irradiated from the bottom of the light guide plate 5, the edge of the reflection film 7 is wrapped outside the LED light sources 6, the light irradiated from the LED light sources 6 can be reflected into the light guide plate 5, and the loss of the light sources is reduced, the light-shielding paper 11 performs light-shielding treatment on the periphery of the lower diffuser plate 8, the prism sheet 9 and the upper diffuser plate 10, so that the surface light source is lost, the brightness of the backlight 1 is improved, and the energy consumption is reduced.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A low-power consumption vehicle-mounted display device of a medium multi-region display backlight source comprises a backlight source (1), a liquid crystal panel (2) and a light guide plate (5), and is characterized in that: the backlight source (1) is glued with a liquid crystal panel (2), a protective front frame (4) is fixed on the outer side of the liquid crystal panel (2) through bolts, a driving IC (3) is glued at the bottom of the backlight source (1), and the backlight source (1) is composed of a light guide plate (5), an LED light source (6), a reflecting film (7), a lower diffusion plate (8), a prism sheet (9), an upper diffusion plate (10) and shading paper (11).

2. The display device of the low-power consumption vehicle-mounted middle control medium multi-region display backlight source as claimed in claim 1, wherein: the LED backlight module is characterized in that an LED light source (6) is arranged on the outer side of the light guide plate (5), a lower diffusion plate (8) is glued to the top of the light guide plate (5), an upper diffusion plate (10) is glued to the top of the lower diffusion plate (8), a prism sheet (9) is glued between the upper diffusion plate (10) and the lower diffusion plate (8), light shielding paper (11) is glued to the outer side of the prism sheet (9), and a reflecting film (7) is glued to the bottom of the light guide plate (5).

3. The display device of the low-power consumption vehicle-mounted middle control medium multi-region display backlight source as claimed in claim 1, wherein: the edge of the reflecting film (7) is wrapped outside the LED light source (6).

4. The display device of the low-power consumption vehicle-mounted middle control medium multi-region display backlight source as claimed in claim 1, wherein: the light shielding paper (11) is positioned outside the lower diffusion plate (8), the prism sheet (9) and the upper diffusion plate (10).

5. The display device of the low-power consumption vehicle-mounted middle control medium multi-region display backlight source as claimed in claim 1, wherein: the bottom of the protective front frame (4) is glued with a buffer pad (12).