CN110842375B

CN110842375B - Code printing block of display screen, code printing method and display device

Info

Publication number: CN110842375B
Application number: CN201911118435.5A
Authority: CN
Inventors: 朱清永; 赵玲
Original assignee: TCL Huaxing Photoelectric Technology Co Ltd
Current assignee: TCL Huaxing Photoelectric Technology Co Ltd
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2022-03-08
Anticipated expiration: 2039-11-15
Also published as: CN110842375A

Abstract

The invention discloses a code printing block of a display screen, a code printing method and a display device. The invention simplifies the coding process, improves the efficiency, saves the service life of the laser head, has free and variable design, can be combined at will and has strong practicability, only changes the design of the photomask of the metal layer or the black shading material layer, carries out hollow design in the coding area and does not need to increase the manufacturing process.

Description

Code printing block of display screen, code printing method and display device

Technical Field

The invention relates to the technical field of displays, in particular to a code printing block of a display screen, a code printing method and a display device.

Background

The ID on the TFT-LCD (thin film transistor liquid crystal display) liquid crystal panel includes information such as a product model, a material, and history. The ID is usually composed of numbers and letters, and is a carrier for producing digitalization and intellectualization. In the production process, a strip-shaped coding Area is generally reserved in a frame Area of a display screen, and a glass code is generated in a laser coding mode, referring to fig. 1, fig. 1 is a schematic position diagram of the glass code, wherein an amplification Area is the glass code, and AA is Active Area, namely an effective display Area.

In the manufacturing process of the panel, a motherboard can be divided into a plurality of unit display screens. The glass codes of each unit display screen are different, and laser coding needs to be performed on the unit display screens one by one in the production process. With the development of high-generation lines, the size of a mother board is larger and larger, the number of unit display screens on the mother board is larger and larger, the number of glass codes printed is large, and the time is long.

Disclosure of Invention

The invention provides a code printing block, a code printing method and a display device of a display screen, and solves the problems that in the prior art, the number of code printing of glass codes is large, and time is long.

In a first aspect, the present invention provides a coding block, which includes one or more coding areas, each coding area includes one or more hollow lines and one or more laser drawn lines, and the one or more hollow lines and/or the one or more laser drawn lines are combined to form different shapes, so that different information is represented by the different shapes.

In the coding block, each hollow line is provided with a plurality of nodes, and one end of each laser drawing line is connected with one of the nodes.

In the coding block, each laser drawing line is perpendicular to the hollow line connected with the laser drawing line.

In the coding block of the invention, the coding block further comprises a metal layer or a black shading material, and one or more coding regions are arranged on the metal layer or the black shading material.

In a second aspect, a coding method for a display screen is provided, which includes:

setting one or more coding areas;

arranging one or more hollow lines and one or more laser drawn lines in each coding area;

setting different information corresponding to different shapes, so that the different information is represented by the different shapes; wherein the different shapes are formed by combining one to more hollow lines and/or one to more laser drawing lines.

In the coding method of the present invention, the setting of one or more coding regions includes:

and arranging one or more coding regions on the metal layer or the black shading material.

In the coding method of the present invention, the setting of one to a plurality of hollow lines and one to a plurality of laser lines in each coding area includes:

manufacturing one or more hollow-out lines through an exposure and development process;

and setting one or more laser drawing lines through a laser coding process.

In the marking method of the present invention, the setting of one or more laser scribes by a laser marking process includes:

each hollow line is provided with a plurality of nodes, and one end of each laser drawing line is connected to one of the nodes.

In the marking method of the present invention, the setting of one or more laser scribes by a laser marking process further includes:

and vertically arranging each laser drawing line and the hollow line connected with the laser drawing line.

In a third aspect, a display device is provided, which includes the coding block as described in any one of the above.

The invention has the following beneficial effects:

simplify and beat the sign indicating number flow, raise the efficiency, save radium-shine laser head life-span, the design is freely changeable, but the arbitrary combination, and the practicality is strong, only changes metal level or black shading material layer light cover design, carries out the fretwork design in beating the sign indicating number district, need not to increase the processing procedure.

Drawings

The invention will be further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic view of the position of a glass code;

FIG. 2 is a diagram of a coding block according to an embodiment of the present invention;

fig. 3 is a schematic view of a hollow line according to an embodiment of the invention;

fig. 4 is a schematic view of a hollow line according to another embodiment of the present invention;

fig. 5 is a coding diagram of a coded block according to an embodiment of the present invention.

Detailed Description

For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

Referring to fig. 2, fig. 2 is a schematic view of a coding block according to an embodiment of the present invention, where the coding block includes one to more coding areas 1, and each coding area 1 includes one to more hollow lines 2 and one to more laser drawn lines 3. Wherein each coding area 1 is separated in the figure by a dashed line, which is not visible in the actual production or in the actual product.

Referring to fig. 3, fig. 3 is a schematic view of a hollow line 2 according to an embodiment of the present invention; the hollow line 2 may be a vertical line located in the middle of each coding region 1.

Referring to fig. 4, fig. 4 is a schematic view of a hollow line 2 according to another embodiment of the present invention, and the code area 1 may also include a combination of a plurality of hollow lines 2.

One to a plurality of the hollow lines 2 and/or one to a plurality of the laser drawing lines 3 are combined to form different shapes, thereby representing different information by the different shapes. Referring to fig. 5, fig. 5 is a code diagram of a coding block according to an embodiment of the present invention, where laser symbols and numerical meanings are as in fig. 5, and fig. 5 is only an example and is not limited to the following symbol design; the following meanings are not intended to be limiting, and the meanings such as letters may be used. That is, the design of the hollow lines 2 in the coding area 1 can be one or more of horizontal lines, vertical lines, broken lines, single lines or multiple lines.

Preferably, each hollow line 2 has a plurality of nodes, and one end of each laser drawing line 3 is connected to one of the nodes.

Preferably, each laser drawing line 3 is perpendicular to the hollow line 2 connected with the laser drawing line.

Preferably, the coding block further comprises a metal layer or a black shading material 4, and one or more coding regions 1 are arranged on the metal layer or the black shading material 4.

In this embodiment, the hollow lines 2 are disposed in the ID coding region (i.e., the coding block), and only the mask design of the metal layer or the black light-shielding material 4 is changed without adding a new process.

On the other hand, the application provides a coding method of a display screen, which comprises the following steps of S1-S3:

s1, setting one to a plurality of coding areas 1; wherein, one or more of the coding regions 1 are arranged on the metal layer or the black shading material 4.

In this embodiment, in the TFT _ LCD (thin film transistor liquid crystal display) process, the mask design (metal layer or black light-shielding material 4) is provided with a strip ID coding region with a hollow line 2, and the TFT _ LCD is manufactured by an exposure and development process.

S2, arranging one or more hollow lines 2 and one or more laser drawing lines 3 in each coding area 1; step S2 includes steps S21-S22:

s21, fabricating one or more hollow lines 2 by exposure and development; the exposure and development process is conventional and will not be described herein.

And S22, setting one or more laser drawing lines 3 through a laser coding process. Step S22 includes step S221:

and S221, each hollow line 2 is provided with a plurality of nodes, and one end of each laser drawing line 3 is connected to one of the nodes.

In this embodiment, a simple laser scribing process 3 is performed on the hollow lines 2 to complete ID encoding.

Preferably, step S22 further includes step S222:

and S222, vertically arranging each laser drawing line 3 and the hollow line 2 connected with the laser drawing line.

S3, setting different information corresponding to different shapes, so as to represent different information through different shapes; wherein, different shapes are formed by combining one to a plurality of hollow lines 2 and/or one to a plurality of laser drawing lines 3.

In this embodiment, the coding symbols and corresponding meanings are set for decoding and reading.

The coding method simplifies the laser coding process, only needs simple line drawing, and saves the process time.

In addition, the application also provides a display device which comprises the coding block manufactured by the coding method.

While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. A coding method of a display screen is characterized by comprising the following steps:

setting one or more coding areas;

setting different information corresponding to different shapes, so that the different information is represented by the different shapes; wherein the different shapes are formed by combining one to a plurality of hollow lines and/or one to a plurality of laser drawn lines;

the setting of one to a plurality of coding regions:

arranging one or more coding regions on the metal layer or the black shading material;

each of the code areas is provided with one to a plurality of hollow lines and one to a plurality of laser lines, and the method comprises the following steps:

one or more hollow-out lines are manufactured through an exposure and development process,

and setting one or more laser drawing lines through a laser coding process.

2. The marking method according to claim 1, wherein the setting of one or more laser scribes by a laser marking process comprises:

3. The marking method according to claim 2, wherein the setting of one or more laser scribes by a laser marking process further comprises:

4. A display device comprising a coding block produced by the coding method according to any one of claims 1 to 3.