WO2018012865A1

WO2018012865A1 - Curved display and method for producing same

Info

Publication number: WO2018012865A1
Application number: PCT/KR2017/007439
Authority: WO
Inventors: 이경찬
Original assignee: (주)코텍
Priority date: 2016-07-12
Filing date: 2017-07-12
Publication date: 2018-01-18
Also published as: KR101872242B1; KR20180007153A

Abstract

A curved display and a method for producing same are disclosed. The curved display according to the present invention comprises: a panel part which forms a curved surface, and through which light passes; polarization film parts installed on the sides of the panel part; and cell gap-maintaining parts located on the outsides of the polarization film parts and maintaining cell gaps of the panel part.

Description

Curved display and manufacturing method

The present invention relates to a curved display and a method of manufacturing the same, and more particularly, to a curved display and a method of manufacturing the same can maintain the cell gap of the curved display.

In general, as a display device for displaying an image, a flat panel display device such as a liquid crystal display device, a plasma display device, and an organic light emitting display device is widely used.

The LCD includes two substrates facing each other and a liquid crystal layer interposed between the two substrates. The LCD displays a desired image by adjusting the amount of light passing through the liquid crystal layer.

Spacers are formed between the two substrates of the display area in which the image of the liquid crystal display device is displayed for uniform cell gap of the liquid crystal display device.

Conventionally, when the panel is molded into a curved shape, there is a problem in that the cell gap provided inside the panel is broken. Therefore, there is a need for improvement.

Background art of the present invention is published in Republic of Korea Patent Publication No. 10-1628200 (published on June 1, 2016, the name of the invention: display device).

The present invention has been made to solve the above problems, and an object of the present invention is to provide a curved display and a method of manufacturing the same that can maintain the cell gap of the curved display.

The curved display according to the present invention comprises: a panel portion which forms a curved surface and transmits light, and a polarizing film portion provided on both sides of the panel portion, and a cell gap holding portion positioned outside the polarizing film portion to maintain a cell gap of the panel portion. It is characterized by.

In addition, the polarizing film portion and the cell gap holding portion are sequentially stacked on both sides of the panel portion, and the polarizing film portion and the cell gap holding portion preferably form a curved surface like the panel portion.

In another aspect, the present invention, the panel portion, the polarizing film portion and the cell gap holding portion is formed to form a curved surface and the backlight unit and the backlight unit preferably further comprises a curve holding portion for fixing the panel portion, the polarizing film portion and the cell gap holding portion.

The curved display according to the present invention comprises: a panel portion which forms a curved surface and transmits light, and a cell gap holding portion positioned outside the panel portion and maintaining a cell gap of the panel portion, and a polarizing film portion positioned outside the cell gap holding portion. It is characterized by.

In addition, the cell gap holding part and the polarizing film part are sequentially stacked on both sides of the panel part, and the cell gap holding part and the polarizing film part preferably form a curved surface like the panel part.

In another aspect, the present invention, the panel portion, the cell gap holding portion and the polarizing film portion is formed to form a curved surface and the backlight unit is preferably further comprises a curve holding portion for fixing the panel portion, the cell gap holding portion and the polarizing film portion on the backlight unit.

According to the present invention, there is provided a method of manufacturing a curved display: a removing step of removing a polarizing film part from a flat panel part, an etching step of etching a panel part, and installing a polarizing film part on an outer side of the etched panel part and installing an outer side of the polarizing film part. And a forming step of forming a panel gap, a polarizing film part, and a cell gap holding part in a curved shape in a state in which a polarizing film part and a cell gap holding part are sequentially stacked on the outside of the panel part to form a module. It is characterized by.

Further, in the forming step, the panel portion, the polarizing film portion and the cell gap holding portion are mounted to the backlight unit forming a curved surface, and both ends of the panel portion, the polarizing film portion and the cell gap holding portion are fixed to the backlight unit by the curve holding portion. Do.

According to the present invention, there is provided a method of manufacturing a curved display including: a removing step of removing a polarizing film part from a flat panel part, an etching step of etching a panel part, and a first combining step of installing a polarizing film part outside the cell gap holding part; And forming the panel portion, the cell gap holding portion, and the polarizing film portion into a curved shape in a second coupling step of installing the cell gap holding portion outside the panel portion and forming a module by sequentially stacking the cell gap holding portion and the polarizing film portion on the outside of the panel portion. Characterized in that it comprises a molding step.

In addition, in the forming step, the panel portion, the cell gap holding portion and the polarizing film portion are mounted to the backlight unit forming a curved surface, and both ends of the panel portion, the cell gap holding portion and the polarizing film portion are fixed to the backlight unit by the curve holding portion. Do.

According to the present invention, the curved display and the manufacturing method thereof have a cell gap holding part disposed outside the panel part to maintain the cell gap, thereby improving durability, and protecting the cell gap even when forming the panel part in a curved shape. .

1 is a perspective view schematically showing a state in which a polarizing film portion is removed from a panel portion according to an embodiment of the present invention.

2 is a perspective view illustrating a state in which a panel portion is etched according to an embodiment of the present invention.

3 is a perspective view illustrating a state in which a polarizing film unit is installed in an etched panel unit according to an embodiment of the present invention.

4 is a perspective view illustrating a state in which a polarizing film part and a cell gap maintaining part are sequentially stacked on the outside of the panel part according to an exemplary embodiment of the present invention.

FIG. 5 is a plan view schematically illustrating a state in which a panel unit, a polarizing film unit, and a cell gap maintaining unit form a curved surface in a backlight unit according to an embodiment of the present invention.

6 is a flowchart illustrating a method of manufacturing a curved display according to an embodiment of the present invention.

7 is a perspective view schematically showing a state in which a polarizing film portion is removed from a panel portion according to another embodiment of the present invention.

8 is a perspective view illustrating a state in which a panel portion is etched according to another embodiment of the present invention.

9 is a perspective view illustrating a state in which a polarizing film unit is installed in a cell gap maintaining unit according to another exemplary embodiment of the present invention.

10 is a perspective view illustrating a state in which a cell gap maintaining part and a polarizing film part are sequentially stacked on an outer side of a panel part according to another exemplary embodiment of the present invention.

11 is a plan view schematically illustrating a state in which a panel unit, a cell gap maintaining unit, and a polarizing film unit are mounted to form a curved surface in a backlight unit according to another embodiment of the present invention.

12 is a flowchart illustrating a method of manufacturing a curved display according to another embodiment of the present invention.

Hereinafter, a curved display and a manufacturing method thereof according to an embodiment of the present invention will be described with reference to the accompanying drawings. In this process, the thickness of the lines or the size of the components shown in the drawings may be exaggerated for clarity and convenience of description.

In addition, terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to a user's or operator's intention or custom. Therefore, the definitions of these terms should be made based on the contents throughout the specification.

1 is a perspective view schematically illustrating a state in which a polarizing film portion is removed from a panel portion according to an embodiment of the present invention, and FIG. 2 is a perspective view illustrating a state in which a panel portion is etched according to an embodiment of the present invention. 3 is a perspective view illustrating a state in which a polarizing film unit is installed in an etched panel unit according to an embodiment of the present invention, and FIG. 4 is a polarization film unit and a cell gap on the outside of the panel unit according to an embodiment of the present invention. 5 is a perspective view illustrating a state in which the holding parts are sequentially stacked, and FIG. 5 is a plan view schematically illustrating a state in which a panel part, a polarizing film part, and a cell gap maintaining part are curved and mounted on a backlight unit according to an embodiment of the present invention. to be.

1 to 5, the curved display device 1 according to the exemplary embodiment of the present invention includes a panel unit 10, a polarizing film unit 20, a cell gap maintaining unit 30, and a backlight unit ( 50 and a curve holding part 60.

The panel unit 10 may be formed in various shapes in a technical concept that forms a curved surface and transmits light. In the panel unit 10, when the curved shapes of two glasses including a thin film transistor (TFT) and a color filter are different, a cell gap provided inside the panel unit 10 may be formed. Breakage occurs.

The TFT-LCD fabrication process refers to a process of fabricating a liquid crystal cell in which signal driving is possible by attaching a driving circuit after the liquid crystal cell fabrication process of bonding the TFT substrate and the substrate. Since the configuration of the panel unit 10 including the cell gap is a known configuration for those skilled in the art, detailed description thereof will be omitted.

The polarizing film part 20 installed at both sides of the panel part 10 is called a POL (Polaroid Film), and is a film having a property of passing or blocking vertical or horizontal polarization of incident light.

The cell gap retaining portion 30 positioned outside the polarizing film portion 20 is shaped like a plate formed of a transparent material, and is installed on the outside of the panel portion 10 to maintain the cell gap of the panel portion 10. It can be formed in various shapes. The cell gap holding part 30 may be made of any material, and the curvature need not be molded in advance. However, it should be able to be formed into a curved shape by any external force.

The polarizing film portion 20 and the cell gap holding portion 30 are sequentially stacked on both sides of the panel portion 10 in the flat state, and the polarizing film portion 20 and the cell gap holding portion 30 are curved like the panel portion 10. To form.

The panel unit 10, the polarizing film unit 20, and the cell gap maintaining unit 30 are mounted on the backlight unit 50 to form a curved surface. The backlight unit 50 for generating light has a mounting surface that forms a curved surface to guide the mounting of the module including the panel unit 10, the polarizing film unit 20, and the cell gap holding unit 30.

Therefore, by applying a predetermined force to the module consisting of the panel unit 10, the polarizing film unit 20 and the cell gap holding unit 30 is formed to form a curved surface on the backlight unit 50 or a separate device having a predetermined curvature.

The curve holding part 60 is a backlight in order to maintain the curvature of the panel part 10 and the polarizing film part 20 and the cell gap holding part 30 mounted on the backlight unit 50 forming a curvature. The unit 50, the panel unit 10, the polarizing film unit 20, and the cell gap retaining unit 30 are disposed in a shape surrounding the end portions.

Hereinafter, a manufacturing method of the curved display device 1 according to an exemplary embodiment of the present invention will be described in detail with reference to the accompanying drawings.

As shown in Figure 1 and 6, the manufacturing method of the curved display 1 according to an embodiment of the present invention, the removing step of removing the polarizing film portion 20 from the flat panel portion 10 (S10)

2 and 6, an etching step of etching the panel unit 10 from which the polarizing film unit 20 is removed is performed. (S20) Since the etching of the panel unit 10 is a known technique, Detailed description is omitted.

As shown in FIGS. 3, 4 and 6, the polarizing film part 20 is installed outside the etched panel part 10, and the cell gap maintaining part 30 is further provided on the outside of the polarizing film part 20. In this case, the panel unit 10, the polarizing film unit 20, and the cell gap maintaining unit 30 have a stacked shape in a flat plate shape.

5 and 6, in the state in which the polarizing film unit 20 and the cell gap maintaining unit 30 are sequentially stacked on the outside of the panel unit 10 to form a module, the panel unit 10 and the polarization unit are polarized. It has a molding step of molding the film portion 20 and the cell gap holding portion 30 in a curved shape. (S40)

In this molding step, the panel unit 10, the polarizing film unit 20, and the cell gap maintaining unit 30 are mounted to the backlight unit 50 to form a curved surface, and the panel unit 10 and the polarizing film unit 20. And both ends of the cell gap holding portion 30 is fixed to the backlight unit 50 by the curve holding portion (60).

Curve holding unit 60 may be a mechanical structure, such as a mechanism, a cap member, a screw, a bolt to perform the function of the locking member, adhesive may be used. The curve holding unit 60 prevents the panel unit 10, the polarizing film unit 20, and the cell gap holding unit 30 mounted on the backlight unit 50 from returning from the curved state to the planar state.

Hereinafter, a curved display 100 and a manufacturing method thereof according to another embodiment of the present invention will be described with reference to the drawings.

For convenience of description, the same reference numerals are used to designate components having the same construction and operation as the exemplary embodiment, and detailed description thereof will be omitted.

FIG. 7 is a perspective view schematically illustrating a state in which a polarizing film unit is removed from a panel unit according to another embodiment of the present invention, and FIG. 8 is a perspective view illustrating a state in which a panel unit is etched according to another embodiment of the present invention. 9 is a perspective view illustrating a state in which a polarization film unit is installed in a cell gap maintaining unit according to another exemplary embodiment of the present invention, and FIG. 10 is a cell gap maintaining unit and a polarizing film unit outside the panel unit according to another embodiment of the present invention. 11 is a perspective view illustrating a stacked state, and FIG. 11 is a plan view schematically illustrating a state in which a panel unit, a cell gap maintaining unit, and a polarizing film unit are mounted on a backlight unit according to another embodiment of the present invention, forming a curved surface.

As shown in Figure 7 to 11, the curved display 100 according to another embodiment of the present invention, the panel unit 10, the polarizing film unit 20, the cell gap holding unit 30 and the backlight unit ( 50 and a curve holding part 60.

The panel unit 10 may be formed in various shapes in a technical concept that forms a curved surface and transmits light.

The cell gap holding part 30 positioned outside the panel part 10 is a plate shape molded from a transparent material, and is installed on the outside of the panel part 10 to maintain various cell gaps of the panel part 10. It may be formed in a shape. The cell gap holding part 30 may be made of any material, and the curvature need not be molded in advance. However, it should be able to be formed into a curved shape by any external force.

The cell gap holding part 30 and the polarizing film part 20 are sequentially stacked on both sides of the panel part 10, and the cell gap holding part 30 and the polarizing film part 20 form a curved surface like the panel part 10. do.

The polarizing film part 20 positioned outside the cell gap maintaining part 30 is called a POL (Polaroid Film), and is a film that can pass or block vertical or horizontal polarization of incident light.

The panel unit 10, the cell gap maintaining unit 30, and the polarizing film unit 20 are mounted on the backlight unit 50 to form a curved surface.

The curve holding part 60 is a backlight in order to maintain the curvature of the panel part 10 and the cell gap maintaining part 30 and the polarizing film part 20 mounted on the backlight unit 50 forming a curvature. The unit 50, the panel unit 10, the polarizing film unit 20, and the cell gap retaining unit 30 are disposed in a shape surrounding the end portions.

Hereinafter, a manufacturing method of the curved display 100 according to another exemplary embodiment of the present invention will be described in detail with reference to the accompanying drawings.

As shown in Figure 7 and 12, the manufacturing method of the curved display 100 according to another embodiment of the present invention, the removing step of removing the polarizing film portion 20 from the flat panel portion 10 (S100)

8 and 12, an etching step of etching the panel unit 10 from which the polarizing film unit 20 is removed is performed. (S110) Since the etching of the panel unit 10 is a known technique, Detailed description is omitted.

As shown in Figure 9 and 12, has a first coupling step of installing the polarizing film portion 20 on the outside of the cell gap holding portion 30. (S120)

10 and 12, a second coupling step of installing the cell gap holding part 30 on the outside of the panel part 10 is performed (S130). The polarizing film part 20 is laminated | stacked.

As shown in FIGS. 11 and 12, the cell gap holding part 30 and the polarizing film part 20 are sequentially stacked on the outside of the panel part 10 to form a module, thereby maintaining the panel part 10 and the cell gap. It has a molding step of molding the portion 30 and the polarizing film portion 20 in a curved shape. (S140)

In this forming step, the panel unit 10, the cell gap maintaining unit 30, and the polarizing film unit 20 are mounted to the backlight unit 50 forming a curved surface, and the panel unit 10 and the cell gap maintaining unit 30 are formed. And both ends of the polarizing film portion 20 is fixed to the backlight unit 50 by the curve holding unit (60).

As described above, according to the present invention, since the cell gap holding part 30 is installed outside the panel part 10 to maintain the cell gap of the panel part 10, durability may be improved, and the panel part 10 may be curved. ) Can also protect the cell gap.

Although the present invention has been described with reference to the embodiments illustrated in the drawings, this is merely exemplary, and it will be understood by those skilled in the art that various modifications and equivalent other embodiments are possible. will be. Therefore, the true technical protection scope of the present invention will be defined by the claims below.

Claims

A panel unit forming a curved surface and transmitting light;

Polarizing film units provided on both sides of the panel unit; And

And a cell gap holding part positioned outside the polarizing film part to maintain a cell gap of the panel part.
The method of claim 1,

The polarizing film part and the cell gap holding part are sequentially stacked on both sides of the panel part, and the polarizing film part and the cell gap holding part form a curved surface like the panel part.
The method of claim 2,

A backlight unit on which the panel unit, the polarizing film unit, and the cell gap maintaining unit form a curved surface; And

The curved display unit further comprises a curve holding unit for fixing the panel unit, the polarizing film unit and the cell gap holding unit to the backlight unit.
A panel unit forming a curved surface and transmitting light;

A cell gap holding part positioned outside the panel part to maintain a cell gap of the panel part; And

And a polarizing film part positioned outside the cell gap holding part.
The method of claim 4, wherein

The cell gap holding part and the polarizing film part are sequentially stacked on both sides of the panel part, and the cell gap holding part and the polarizing film part have a curved surface like the panel part.
The method of claim 5, wherein

A backlight unit on which the panel unit, the cell gap maintaining unit, and the polarizing film unit form a curved surface; And

And a curve holding part for fixing the panel part, the cell gap holding part, and the polarizing film part to the backlight unit.
A removing step of removing the polarizing film part from the flat panel part;

An etching step of etching the panel part;

A coupling step of installing the polarization film part on the outside of the etched panel part and installing a cell gap maintenance part on the outside of the polarization film part; And

And forming the panel part, the polarizing film part, and the cell gap holding part in a curved shape in a state in which the polarizing film part and the cell gap holding part are sequentially stacked on the outside of the panel part to form a module. Method of manufacturing a curved display to be.
The method of claim 7, wherein

In the forming step, the panel portion, the polarizing film portion and the cell gap holding portion are mounted to a backlight unit forming a curved surface, and both ends of the panel portion, the polarizing film portion, and the cell gap holding portion are formed by the curve holding portion. Method of manufacturing a curved display, characterized in that fixed to the backlight unit.
A removing step of removing the polarizing film part from the flat panel part;

An etching step of etching the panel part;

A first coupling step of installing the polarizing film part on the outside of the cell gap holding part;

A second coupling step of installing the cell gap holding part outside the panel part; And

And forming the panel portion, the cell gap holding portion, and the polarizing film portion in a curved shape in a state in which the cell gap holding portion and the polarizing film portion are sequentially stacked on the outer side of the panel portion to form a module. Method of manufacturing a curved display to be.
The method of claim 9,

In the forming step, the panel portion, the cell gap holding portion and the polarizing film portion are mounted to a backlight unit forming a curved surface, and both ends of the panel portion, the cell gap holding portion, and the polarizing film portion are formed by the curve holding portion. Method of manufacturing a curved display, characterized in that fixed to the backlight unit.