CN214099015U

CN214099015U - Cambered surface LED digital display screen

Info

Publication number: CN214099015U
Application number: CN202120028317.1U
Authority: CN
Inventors: 胡碧云
Original assignee: Zhongshan Youyang Optoelectronic Technology Co ltd
Current assignee: Zhongshan Youyang Optoelectronic Technology Co ltd
Priority date: 2021-01-05
Filing date: 2021-01-05
Publication date: 2021-08-31
Anticipated expiration: 2031-01-05

Abstract

The utility model discloses a cambered surface LED digital display screen, which comprises a shell, wherein an arc-shaped light-emitting surface is arranged on the shell, and a diffusion surface sticker with functional patterns or characters is arranged on the arc-shaped light-emitting surface; the PCBA board is arranged on the bottom surface of the shell or in the shell, a plurality of LED lamps are arranged on one side of the PCBA board close to the arc-shaped light-emitting surface, and an LED driving chip and a touch chip are arranged on one side of the PCBA board back to the arc-shaped light-emitting surface; the touch spring is arranged in the shell, one end of the touch spring is connected with the arc-shaped light-emitting surface, and the other end of the touch spring is connected with the PCBA board; the light emitting surface of the shell is arranged to be the arc-shaped light emitting surface, so that the LED lamp can be flexibly applied to electrical appliances with appearance structures such as a column shape, a sphere shape and the like, the problems of display blurring, touch failure and the like can be avoided, and the LED lamp has good practicability.

Description

Cambered surface LED digital display screen

Technical Field

The utility model relates to a display screen field, in particular to cambered surface LED digital display screen.

Background

The existing LED digital display screen has the following problems: 1. the display surface is a plane, only LED wafers and wiring are arranged in the display surface, patterns are blurred and ghosted when the display is carried out due to overlarge spacing distance on the display panel of the cylindrical electric appliance, meanwhile, the serious brightness attenuation is caused due to overlong LED optical fiber optical path, the touch response sensitivity is reduced due to overlarge distance between a digital screen touch key and the touch panel, even the condition that the touch function is invalid occurs, and the operation of a function menu of the electric appliance is influenced; 2. the external connection of the digital display screen adopts a guide pin, and the touch drive control and display functions can be realized only by matching with an external special drive board; 3. the light source of a common digital display screen is an LED wafer, a die bonding welding wire is bound by a special binding machine, then the LED wafer is encapsulated by epoxy resin glue and is cured at high temperature for a long time to form a finished product, and the finished product can not be maintained once the product is encapsulated and cured.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a cambered surface LED digital display screen.

The utility model discloses a technical scheme that its technical problem was solved to an embodiment adopted is: an arc surface LED digital display screen comprises:

the shell is provided with an arc-shaped light-emitting surface, and a diffusion surface sticker with functional patterns or characters is arranged on the arc-shaped light-emitting surface;

the PCBA board is arranged on the bottom surface of the shell or in the shell, a plurality of LED lamps are arranged on one side of the PCBA board close to the arc-shaped light-emitting surface, and an LED driving chip and a touch chip are arranged on one side of the PCBA board back to the arc-shaped light-emitting surface;

and the touch spring is arranged in the shell, one end of the touch spring is connected with the arc-shaped light emergent surface, and the other end of the touch spring is connected with the PCBA board.

Furthermore, a plurality of reflecting cavities are arranged in the shell, and the LED lamp is right opposite to or extends into the reflecting cavities.

Further, the reflecting cavity is provided with a trapezoid shape or a funnel shape.

Furthermore, a positioning column or a positioning hole is arranged on the PCBA, a positioning hole or a positioning column is arranged on the shell, and the positioning column is inserted into the positioning hole.

Furthermore, the shell is provided with a buckle or a clamping groove, the external equipment is provided with a clamping groove or a buckle, and the buckle is buckled in the clamping groove so that the shell is installed on the external equipment.

Further, a power supply port is arranged on the PCBA board.

Further, a communication port is arranged on the PCBA board.

Furthermore, reflective ink is arranged on one side, close to the arc-shaped light-emitting surface, of the PCBA.

The utility model has the advantages that: a cambered surface LED digital display screen comprises a shell, wherein an arc-shaped light-emitting surface is arranged on the shell, and a diffusion surface sticker with functional patterns or characters is arranged on the arc-shaped light-emitting surface; the PCBA board is arranged on the bottom surface of the shell or in the shell, a plurality of LED lamps are arranged on one side of the PCBA board close to the arc-shaped light-emitting surface, and an LED driving chip and a touch chip are arranged on one side of the PCBA board back to the arc-shaped light-emitting surface; the touch spring is arranged in the shell, one end of the touch spring is connected with the arc-shaped light-emitting surface, and the other end of the touch spring is connected with the PCBA board; the light emitting surface of the shell is arranged to be the arc-shaped light emitting surface, so that the LED lamp can be flexibly applied to electrical appliances with appearance structures such as a column shape, a sphere shape and the like, the problems of display blurring, touch failure and the like can be avoided, and the LED lamp has good practicability.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of an arc LED digital display screen.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as excluding the number, and the terms greater than, less than, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly defined, the terms "set," "mounted," "connected," and the like are to be understood in a broad sense, and may be directly connected or indirectly connected through an intermediate medium, for example; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be a mechanical connection; either as communication within the two elements or as an interactive relationship of the two elements. The technical skill in the art can reasonably determine the specific meaning of the above words in the present invention by combining the specific contents of the technical solution.

Referring to fig. 1, an arc LED digital display screen includes:

a shell 10, which is provided with an arc-shaped light-emitting surface 11, wherein a diffusion surface sticker 12 with functional patterns or characters is arranged on the arc-shaped light-emitting surface 11;

the PCBA board 20 is arranged on the bottom surface of the shell 10 or in the shell 10, a plurality of LED lamps 21 are arranged on one side of the PCBA board close to the arc-shaped light-emitting surface 11, and an LED driving chip 22 and a touch chip 23 are arranged on one side of the PCBA board opposite to the arc-shaped light-emitting surface 11;

the touch spring 30 is disposed in the housing 10, and one end of the touch spring is connected to the arc-shaped light emitting surface 11, and the other end of the touch spring is connected to the PCBA board 20.

Compared with the traditional LED digital display screen, the utility model discloses place LED driver chip 22 and touch chip 23 in the digital display screen, tender Europe well integrates the electrical apparatus display function in a LED digital display screen to simplified the discrete component quantity of electrical apparatus control mainboard, reduced the PCB area of electrical apparatus control mainboard, reduced material cost; the utility model is provided with a communication interface, and only one data two-wire connection is connected with the MCU contained in the electric appliance control main board, so that the touch control display function can be completed, and the installation is more standardized and simplified; furthermore, the housing 10 is made of plastic, and the light-emitting surface of the housing 10 is the arc-shaped light-emitting surface 11, so that the housing can be flexibly applied to electrical appliances with arc-shaped structures such as columns, spheres and the like, and the problems of display blur, touch failure and the like when a planar display screen is installed on the electrical appliances with the arc-shaped structures are solved; further, the utility model discloses save the LED wafer and bound, welding wire welding, light foot, toast technologies such as solidification, simplified the production solution of LED digital display screen, improved production efficiency greatly, simultaneously, LED lamp 21 is LED paster lamp, and paster lamp itself has antiskid nature, does not need embedment glue, so the finished product has maintainability, has significantly reduced because of the disability rate that the electrical property problem produced.

A plurality of reflecting cavities are arranged in the shell 10, and the LED lamp 21 is opposite to or extends into the reflecting cavities.

The reflecting cavity is in a trapezoid shape or a funnel shape; the light emitted by the LED lamp 21 can be better intensively radiated by the trapezoidal or funnel-shaped reflective cavity.

The PCBA board 20 is provided with positioning columns or positioning holes, the shell 10 is provided with positioning holes or positioning columns, and the positioning columns are inserted into the positioning holes.

The shell 10 is provided with a buckle 40 or a clamping groove, the external device is provided with a clamping groove or a buckle 40, and the buckle 40 is buckled in the clamping groove so that the shell 10 is installed on the external device.

The PCBA board 20 is provided with a power supply port.

The PCBA board 20 is provided with a communication port.

The PCBA board 20 is provided with reflective ink on one side close to the arc-shaped light-emitting surface 11.

Of course, the present invention is not limited to the above-mentioned embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications and substitutions are included in the scope defined by the claims of the present application.

Claims

1. The utility model provides a cambered surface LED digital display screen which characterized in that includes:

the light source comprises a shell (10) which is provided with an arc-shaped light-emitting surface (11), wherein a diffusion surface sticker (12) with functional patterns or characters is arranged on the arc-shaped light-emitting surface (11);

the PCBA board (20) is arranged on the bottom surface of the shell (10) or in the shell (10), a plurality of LED lamps (21) are arranged on one side of the PCBA board close to the arc-shaped light-emitting surface (11), and an LED driving chip (22) and a touch chip (23) are arranged on one side of the PCBA board opposite to the arc-shaped light-emitting surface (11);

and the touch spring (30) is arranged in the shell (10), one end of the touch spring is connected with the arc-shaped light-emitting surface (11), and the other end of the touch spring is connected with the PCBA board (20).

2. The cambered surface LED digital display screen of claim 1, which is characterized in that: a plurality of reflecting cavities are arranged in the shell (10), and the LED lamp (21) is right opposite to or extends into the reflecting cavities.

3. The cambered surface LED digital display screen of claim 2, which is characterized in that: the reflecting cavity is in a trapezoid shape or a funnel shape.

4. The cambered surface LED digital display screen according to any one of claims 1-3, wherein: the PCBA board (20) is provided with a positioning column or a positioning hole, the shell (10) is provided with a positioning hole or a positioning column, and the positioning column is inserted into the positioning hole.

5. The cambered surface LED digital display screen according to any one of claims 1-3, wherein: the shell (10) is provided with a buckle (40) or a clamping groove, the external equipment is provided with a clamping groove or a buckle (40), and the buckle (40) is buckled in the clamping groove so that the shell (10) is installed on the external equipment.

6. The cambered surface LED digital display screen according to any one of claims 1-3, wherein: the PCBA board (20) is provided with a power supply port.

7. The cambered surface LED digital display screen according to any one of claims 1-3, wherein: the PCBA board (20) is provided with a communication port.

8. The cambered surface LED digital display screen according to any one of claims 1-3, wherein: and reflective ink is arranged on one side of the PCBA (20) close to the arc-shaped light-emitting surface (11).