CN219738433U

CN219738433U - Display device

Info

Publication number: CN219738433U
Application number: CN202320705764.5U
Authority: CN
Inventors: 郭兴丽; 翟兵兵
Original assignee: Continental Automotive Body Electronic System Wuhu Co Ltd
Current assignee: Continental Automotive Body Electronic System Wuhu Co Ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-09-22
Anticipated expiration: 2033-03-31

Abstract

The utility model provides a display device which comprises a display screen, a gesture control unit, a support and a rear cover, wherein the display screen, the gesture control unit and the rear cover are fixed on the support, the gesture control unit comprises a panel, a light guide piece, a frame and a PCB (printed Circuit Board), the panel, the light guide piece and the PCB are fixed on the frame, an indication symbol is arranged on the panel and used for indicating the state of the gesture control unit, the light guide piece is arranged at a position corresponding to the indication symbol, the light guide piece is in a strip shape, and LEDs are arranged at positions, corresponding to one end or two ends of the light guide piece, on the PCB and used for lighting the indication symbol. The display device provided by the utility model adopts the LEDs arranged at one end or two ends of the light guide member, and the symbols arranged on the panel are lightened in a side illumination mode, so that uniform illumination can be realized, the number of LEDs can be reduced, the structure of the light guide member is simplified, and the cost is reduced.

Description

Display device

Technical Field

The utility model relates to the field of automobiles, in particular to a display device.

Background

The vehicle-mounted display device shown in fig. 1, for example, a display device of an infotainment system, comprises a display screen 1 and a gesture control unit 2, wherein the gesture control unit 2 is used for correspondingly controlling the infotainment system, and the gesture control unit 2 is positioned below the display screen 1.

An indication symbol 211 is provided on the panel 21 of the gesture control unit 2, for indicating that the gesture control unit 2 is in an operating state.

The indication symbol 211 is composed of a plurality of line segments and a plurality of points, and is correspondingly lightened by a plurality of corresponding, for example 4-9, top-illumination LEDs on the PCB, and the light guide plate is correspondingly provided with a plurality of light guide holes corresponding to the LEDs, so that the light guide plate structure is complex and the light emission is uneven.

Disclosure of Invention

The utility model aims at solving the problems in the prior art, and provides a display device which adopts LEDs arranged at one end or two ends of a light guide member to light indication symbols arranged on a panel in a side illumination mode, so that uniform illumination can be realized, the number of LEDs can be reduced, and meanwhile, the structure of the light guide member is simplified, so that the cost of the display device is reduced.

The utility model provides a display device which comprises a display screen, a gesture control unit, a support and a rear cover, wherein the display screen, the gesture control unit and the rear cover are fixed on the support, the gesture control unit comprises a panel, a light guide piece, a frame and a PCB (printed Circuit Board), the panel, the light guide piece and the PCB are fixed on the frame, an indication symbol is arranged on the panel and used for indicating the state of the gesture control unit, the light guide piece is arranged at a position corresponding to the indication symbol, the light guide piece is in a strip shape, and LEDs are arranged at positions, corresponding to one end or two ends of the light guide piece, on the PCB and used for lighting the indication symbol.

Further, the position of the PCB corresponding to one end or two ends of the light guide member is provided with an LED.

Further, the end face of one end or two ends of the light guide piece is a light incident surface, and the surface facing the panel is a light emergent surface.

Further, the gesture control unit further comprises a reflecting film, and all surfaces except the light incident surface and the light emergent surface of the light guide member are covered by the reflecting film.

Further, the cross section of the light guide member is quadrangular, and the included angle of the light guide member is not equal to 90 degrees.

Further, the light guide is provided with a protrusion, and the frame is provided with a first recess at a corresponding position, and the protrusion is embedded in the first recess for limiting the relative movement between the light guide and the frame.

Further, the plurality of protrusions extend outwards from the edge of the light-emitting surface.

Further, the protrusions are quadrangular pyramid blocks.

Further, a second concave portion is provided at a position corresponding to the reflective film covering the light guide, and the protrusion is fitted into the first concave portion through the second concave portion.

Further, a gate of the light guide member is arranged on one side or both sides of the protrusion, a third concave portion is arranged at a corresponding position of the frame, a fourth concave portion is arranged at a corresponding position of the reflecting film, and the gate penetrates through the fourth concave portion and is embedded into the third concave portion.

Compared with the prior art, the display device provided by the utility model has the following beneficial effects: the LED is arranged at one end or two ends of the light guide piece, the indication symbol arranged on the panel is lightened in a side illumination mode, uniform illumination can be achieved, the number of LEDs can be reduced, meanwhile, the structure of the light guide piece is simplified, and therefore the cost of the display device is reduced.

Drawings

FIG. 1 is a schematic diagram of a display device according to an embodiment of the present utility model;

fig. 2 is an exploded view of a gesture control unit of the display device shown in fig. 1.

Detailed Description

As shown in fig. 1, a display device according to an embodiment of the present utility model includes a display screen 1, a gesture control unit 2, a bracket (not shown) and a rear cover 3, wherein the display screen 1, the gesture control unit 2 and the rear cover 3 are fixed to the bracket, and the gesture control unit 2 is located below the display screen 1.

The gesture control unit 2 includes a panel 21, a light guide 22, a frame 24 and a PCB 25, and the panel 21, the light guide 22 and the PCB 25 are fixed on the frame 24. The panel 21 is provided with an indication symbol 211 for indicating the state of the gesture control unit 2, the light guide 22 is provided at a position corresponding to the indication symbol 211, the light guide 22 is in a bar shape, and the PCB 25 is provided with LEDs 251 at positions corresponding to both ends of the light guide 22 for lighting the indication symbol 211.

The end surfaces of the light guide 22 are light incident surfaces 221 and 222, and the surface facing the panel 21 is a light emergent surface 223.

In other embodiments, the LEDs may be disposed only at the position corresponding to the end of the light guide 22 on the PCB 25, so as to further reduce the number of LEDs. Correspondingly, the end face at one end of the LED is provided with a light incident surface.

The gesture control unit 2 further includes a reflective film 23 covering all surfaces of the light guide 22 except the light incident surfaces 221, 222 and the light exit surface 223.

The cross section of the light guide 22 is quadrangular, the included angle of which is not equal to 90 °, and the specific shape is determined by optical simulation.

The light guide 22 is provided with a protrusion 224 and the frame 24 is provided with a first recess 241 at a corresponding position, said protrusion 224 being embedded in said first recess 241 for limiting the relative movement between the light guide 22 and the frame 24.

The protrusions 224 extend outward from the edges of the light-exiting surface 223. The bulge is a quadrangular frustum.

The reflective film 23 covering the light guide 22 is provided with a second recess 231 at a corresponding position, and the protrusion 224 is fitted into the first recess 241 through the second recess 231.

One side or both sides of the protrusion 224 are provided with a gate 225 of the light guide, in this embodiment, both sides of the protrusion 224 are provided with a gate 225 of the light guide, the corresponding position of the frame 24 is provided with a third recess 242, the corresponding position of the reflective film 23 is provided with a fourth recess 232, and the gate 225 is inserted into the third recess 242 through the fourth recess 232.

While the utility model has been described in terms of preferred embodiments, the utility model is not so limited. Any person skilled in the art shall not depart from the spirit and scope of the present utility model and shall accordingly fall within the scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a display device, its characterized in that, display device includes display screen, gesture control unit, support and back lid, and display screen, gesture control unit and back lid are fixed in the support, gesture control unit includes panel, leaded light spare, frame and PCB board, and panel, leaded light spare, PCB board are fixed in the frame, and the panel is provided with the sign for instruct the state of gesture control unit, and the leaded light spare sets up in the position that corresponds the sign, and the leaded light spare is the bar, is provided with the LED in the position that corresponds one end or both ends of leaded light spare on the PCB board for light the sign.

2. The display device according to claim 1, wherein an end face of one or both ends of the light guide member is a light incident surface, and a surface facing the panel is a light emergent surface.

3. The display device according to claim 1, wherein the gesture control unit further comprises a reflective film covering all surfaces of the light guide except the light incident surface and the light emitting surface.

4. A display device as claimed in claim 1, characterized in that the cross-section of the light-guiding member is quadrangular, the angle of which is not equal to 90 °.

5. A display device as claimed in claim 1, characterized in that the light guide is provided with a projection, the frame being provided with a first recess in a corresponding position, the projection being embedded in the first recess for limiting the relative movement between the light guide and the frame.

6. The display device of claim 5, wherein the protrusions extend outward from edges of the light-exiting surface.

7. The display device of claim 5, wherein the protrusions are pyramid shaped.

8. The display device according to claim 5, wherein a second recess is provided at a position corresponding to the reflective film covering the light guide, and the projection is fitted into the first recess through the second recess.

9. The display device according to claim 5, wherein a gate of the light guide is provided on one side or both sides of the projection, a third recess is provided at a position corresponding to the frame, a fourth recess is provided at a position corresponding to the reflection film, and the gate is inserted into the third recess through the fourth recess.