CN212846235U

CN212846235U - Electronic scale adopting LCD display screen

Info

Publication number: CN212846235U
Application number: CN202021280684.2U
Authority: CN
Inventors: 范焘; 张春亮
Original assignee: Zhongshan Yilai Electronics Co ltd
Current assignee: Zhongshan Yilai Electronics Co ltd
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2021-03-30
Anticipated expiration: 2030-07-02

Abstract

The utility model discloses an electronic scale adopting an LCD display screen, which comprises an electronic scale body and an LCD display screen arranged on the electronic scale body, wherein a white light backlight module is arranged below the LCD display screen, is positioned under a lower polaroid and provides a light source for the LCD display screen; under the condition of adopting the white light backlight module, the LCD display screen can display the ground colors with different colors by changing the materials of the upper polarizer and the lower polarizer; under the condition of adopting the white light backlight module, the LCD display screen can display numerical values with different colors by changing the refractive index of the liquid crystal; the material of the polaroid is changed, so that the ground color display of the LCD screen is changed, and the change of the ground color of the display screen is simple and convenient; in addition, the white light source has high plasticity, numerical values of different display colors can be obtained by changing the refractive index of the liquid crystal, and the color tone of the display screen can be enriched by matching with the polaroid.

Description

Electronic scale adopting LCD display screen

Technical Field

The utility model relates to an electronic scale adopting an LCD display screen.

Background

At present, most of domestic electronic scale industries in the market use common segment code LCD liquid crystal screens, wherein the display modes of several hues such as black characters on grey bases, black characters on white bases, white characters on black bases, white characters on blue bases and the like are common, and the display modes have the following problems:

1. the structure shows that part of the color tone is more common and single;

2. if the background color of the liquid crystal display needs to be changed, the corresponding color backlight source needs to be replaced to realize the change;

3. when several conventional color shades are required to be changed, different mold cavities are required, so that different mold cavities are required for producing LCD liquid crystal screens with different colors, namely, different types of mold cavities are required to be reserved, and the manufacturing cost of the electronic scale is increased.

Disclosure of Invention

The utility model aims at providing an adopt electronic scale of LCD display screen, in order to solve the ordinary singleness of section code LCD liquid crystal display partial tone among the prior art, it is troublesome, inconvenient and need use different models die cavity to change the liquid crystal display base colour, leads to the technical problem of the manufacturing cost increase of electronic scale.

The technical scheme of the utility model is realized like this:

an electronic scale adopting an LCD display screen comprises an electronic scale body and the LCD display screen arranged on the electronic scale body, wherein a white light backlight module is arranged below the LCD display screen, the LCD display screen comprises an upper polaroid, an upper single-sided ITO (indium tin oxide), a display electrode, a containing empty box, frame glue, a lower single-sided ITO, a lower polaroid, an alignment film and liquid crystal, and the white light backlight module is positioned under the lower polaroid and provides a light source for the LCD display screen; under the condition of adopting the white light backlight module, the LCD display screen can display the ground colors with different colors by changing the materials of the upper polarizer and the lower polarizer; under the condition of adopting the white light backlight module, the LCD display screen can display numerical values with different colors by changing the refractive index of the liquid crystal.

Preferably, changing the material of the upper polarizer and the lower polarizer means selecting polarizers with different colors.

Preferably, the refractive index of the liquid crystal is achieved by varying the voltage of the display electrodes.

Preferably, the white light backlight module comprises a white light source, a reflecting plate, a diffusing plate and a prism sheet, wherein the white light source is used for generating white light, and the white light is reflected by the reflecting plate, sequentially passes through the diffusing plate and the prism sheet, and then enters the LCD display screen from the lower polarizer.

Preferably, the white light source is an LED light source.

Compared with the prior art, the utility model, there is following advantage:

1. an electronic scale adopting an LCD display screen comprises an electronic scale body and the LCD display screen arranged on the electronic scale body, wherein a white light backlight module is arranged below the LCD display screen, the LCD display screen comprises an upper polaroid, an upper single-sided ITO (indium tin oxide), a display electrode, a containing empty box, frame glue, a lower single-sided ITO, a lower polaroid, an alignment film and liquid crystal, and the white light backlight module is positioned under the lower polaroid and provides a light source for the LCD display screen; under the condition of adopting the white light backlight module, the LCD display screen can display the ground colors with different colors by changing the materials of the upper polarizer and the lower polarizer; under the condition of adopting the white light backlight module, the LCD display screen can display numerical values with different colors by changing the refractive index of the liquid crystal; the structure is simple, and the bottom color display of the LCD screen is changed by changing the material of the polaroid, so that the change of the bottom color of the display screen is simple and convenient; in addition, the white light source has high plasticity, numerical values of different display colors can be obtained by changing the refractive index of the liquid crystal, the color tone of the display screen can be enriched by matching with the polaroid, and the design and manufacturing cost of different mold cavities can be reduced by manufacturing the display screen with the structure only by using the same mold cavity, so that the manufacturing cost of the display screen is reduced.

2. Other advantages of the present invention are described in detail in the examples section of this specification.

Drawings

FIG. 1 is a perspective view of an electronic scale according to the present invention;

fig. 2 is an exploded view of an electronic scale provided by the present invention;

FIG. 3 is a front view of an electronic scale according to the present invention;

fig. 4 is a schematic structural diagram of an LCD display screen and a white light backlight module provided by the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present 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.

As shown in fig. 1 to 4, the present embodiment provides an electronic scale using an LCD display screen, including an electronic scale body 1 and an LCD display screen 2 installed on the electronic scale body 1, wherein a white light backlight module 3 is disposed below the LCD display screen 2, the LCD display screen 2 includes an upper polarizer 21, an upper single-sided ITO22, a display electrode 23, a receiving space 24, a sealant 25, a lower single-sided ITO26, a lower polarizer 27, an alignment film 28, and a liquid crystal 29, and the white light backlight module 3 is located right below the lower polarizer 27 and provides a light source for the LCD display screen 2; under the condition of adopting the white light backlight module 3, the LCD display screen 2 can display the ground colors with different colors by changing the materials of the upper polarizer 21 and the lower polarizer 27; under the condition of adopting the white light backlight module 3, the LCD display screen 2 can display numerical values with different colors by changing the refractive index of the liquid crystal 29; the structure is simple, the bottom color display of the LCD display screen 2 is changed by changing the material of the polaroid, so that the bottom color of the display screen is changed simply and conveniently; in addition, the white light source 31 has high plasticity, numerical values of different display colors can be obtained by changing the refractive index of the liquid crystal 29, the color tone of the display screen can be enriched by matching with the polaroid, and the design and manufacturing cost of different mold cavities can be reduced by only using the same mold cavity for manufacturing the display screen with the structure, so that the manufacturing cost of the display screen is reduced.

The material of the upper polarizer 21 and the lower polarizer 27 is changed by selecting different color polarizers, which have rich color tone selection and various matching.

The refractive index of the liquid crystal 29 is realized by changing the voltage of the display electrode 23, and the colorful color matching is designed by flexibly using the characteristics of the liquid crystal 29, so that the color tone of the display screen is richer and more beautiful.

The white light backlight module 3 comprises a white light source 31, a reflecting plate 32, a diffusing plate 33 and a prism sheet 34, wherein the white light source 31 is used for generating white light, the white light is reflected by the reflecting plate 32, then sequentially passes through the diffusing plate 33 and the prism sheet 34, and then enters the LCD display screen 2 from the lower polarizer 27, and the structure is simple.

The white light source 31 is an LED light source, and has long service life and low energy consumption.

The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited thereto, and any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principle of the present invention are equivalent replacement modes, and are all included in the scope of the present invention.

Claims

1. An electronic scale adopting an LCD display screen is characterized in that: the white light backlight module comprises an electronic scale body (1) and an LCD display screen (2) installed on the electronic scale body (1), wherein a white light backlight module (3) is arranged below the LCD display screen (2), the LCD display screen (2) comprises an upper polaroid (21), an upper single-face ITO (22), a display electrode (23), an accommodating empty box (24), frame glue (25), a lower single-face ITO (26), a lower polaroid (27), an alignment film (28) and liquid crystals (29), and the white light backlight module (3) is located right below the lower polaroid (27) and provides a light source for the LCD display screen (2); under the condition of adopting the white light backlight module (3), the LCD display screen (2) can display the ground colors with different colors by changing the materials of the upper polarizer (21) and the lower polarizer (27); in the case of the white light backlight module (3), the LCD display screen (2) can display numerical values of different colors by changing the refractive index of the liquid crystal (29).

2. An electronic scale using LCD display screen according to claim 1, characterized in that: the material of the upper polarizer (21) and the lower polarizer (27) is changed to select the polarizers with different colors.

3. An electronic scale using LCD display screen according to claim 1, characterized in that: the refractive index of the liquid crystal (29) is realized by changing the voltage of the display electrode (23).

4. An electronic scale using LCD display screen according to claim 1, 2 or 3, characterized in that: the white light backlight module (3) comprises a white light source (31), a reflecting plate (32), a diffusing plate (33) and a prism sheet (34), wherein the white light source (31) is used for generating white light, and the white light is reflected by the reflecting plate (32), sequentially passes through the diffusing plate (33) and the prism sheet (34) and then enters the LCD display screen (2) from the lower polarizer (27).

5. An electronic scale using LCD display screen according to claim 4, characterized in that: the white light source (31) is an LED light source.