Granted Patent B2

US 12,360,412 · App. 18/780,793 · Granted Jul 15, 2025

Inventor: Muneaki Zako (Tokyo, JP)

Assignee: Japan Display Inc.

G02F1/133331G02F1/13336G02F1/1334G02F1/133603G02F1/1339

Abstract

Claims (50)

1. A liquid crystal display device comprising:

a first liquid crystal display device including a first thin-film transistor substrate and a first opposing substrate being bonded together at a first frame area with a first sealant, a first liquid crystal being sealed therein, and a first display area being formed in an area in which the first liquid crystal is sandwiched;

a second liquid crystal display device including a second thin-film transistor substrate and a second opposing substrate being bonded together at a second frame area with a second sealant, a second liquid crystal being sealed therein, and a second display area being formed in an area in which the second liquid crystal is sandwiched,

wherein the first liquid crystal display device and the second liquid crystal display device are arranged in parallel, with portions thereof overlapping each other,

the first frame area of the first liquid crystal display device overlaps the second display area of the second liquid crystal display device, and the second frame area of the second liquid crystal display device overlaps the first display area of the first liquid crystal display device,

the first display area and the second display area are continuous in a plan view,

a first terminal area is formed in an area in which the first opposing substrate does not overlap with the first thin-film transistor substrate,

a first light source including a first light emitting diode is disposed opposing to a first side of the first opposing substrate in the first terminal area,

a second terminal area is formed in an area in which the second opposing substrate does not overlap with the second thin-film transistor substrate, and

a second light source including a second light emitting diode is disposed opposing to a second side of the second opposing substrate in the second terminal area.

2. The liquid crystal display device according to claim 1 ,

wherein first scanning lines extend in a first direction and are arranged in a second direction, and first video signal lines extend in the second direction and are arranged in the first direction in the first display area,

first scanning line drawer lines, which connect with the first scanning lines, are formed, and a first common electrode being lattice shaped is formed in an area in which the first scanning line drawer lines are not formed in the first frame area,

second scanning lines extend in the first direction and are arranged in the second direction, and second video signal lines extend in the second direction and are arranged in the first direction in the second display area, and

second scanning line drawer lines, which connect with the second scanning lines, are formed, and a second common electrode being lattice shaped is formed in an area in which the second scanning line drawer lines are not formed in the second frame area.

3. The liquid crystal display device according to claim 1 ,

wherein the liquid crystal is polymer dispersed liquid crystal.

4. The liquid crystal display device according to claim 1 ,

wherein a first surface of the first thin-film transistor substrate, which is an opposite surface to a first counter surface on which the first opposing substrate exists, and

a second surface of the second thin-film transistor substrate, which is an opposite surface to a second counter surface on which the second opposing substrate exists are adhered to each other with a transparent adhesive sheet.

5. The liquid crystal display device according to claim 1 ,

wherein a first cover glass is adhered to the first thin-film transistor substrate, the first light source opposes to a side surface of the first cover glass, and

a second cover glass is adhered to the second thin-film transistor substrate, the second light source opposes to a side surface of the second cover glass.

6. The liquid crystal display device according to claim 1 ,

wherein a light transmittance of the first display area is 80% or more, and light transmittance of the second display area is 80% or more.

7. The liquid crystal display device according to claim 1 ,

wherein a light transmittance of the first frame area is 80% or more, and a light transmittance of the second frame area is 80% or more.

8. The liquid crystal display device according to claim 1 ,

wherein a difference in light transmittance between the first display area and the first frame area is 5% or less, and

a difference in light transmittance between the second display area and the second frame area is 5% or less.

9. The liquid crystal display device according to claim 1 ,

wherein a first transparent substrate is attached to the first liquid crystal display device, and a second transparent substrate is attached to the second liquid crystal display device, and

the liquid crystal display device is plate like as a hole.

10. A liquid crystal display device comprising:

a first liquid crystal display device including a first thin-film transistor substrate and a first opposing substrate being bonded together at a first frame area with a first sealant, a first liquid crystal being sealed therein, and a first display area being formed in an area in which the first liquid crystal is sandwiched;

a second liquid crystal display device including a second thin-film transistor substrate and a second opposing substrate being bonded together at a second frame area with a second sealant, a second liquid crystal being sealed therein, and a second display area being formed in an area in which the second liquid crystal is sandwiched,

wherein the first liquid crystal display device and the second liquid crystal display device are arranged in parallel, with portions thereof overlapping each other,

the first frame area of the first liquid crystal display device overlaps the second display area of the second liquid crystal display device, and the second frame area of the second liquid crystal display device overlaps the first display area of the first liquid crystal display device, the first display area and the second display area are continuous in a plan view,

first scanning lines extend in a first direction and are arranged in a second direction, and first video signal lines extend in the second direction and are arranged in the first direction in the first display area,

first scanning line drawer lines, which connect with the first scanning lines, are formed, and a first common electrode being lattice shaped is formed in an area in which the first scanning line drawer lines are not formed in the first frame area,

second scanning lines extend in the first direction and are arranged in the second direction, and second video signal lines extend in the second direction and are arranged in the first direction in the second display area, and

second scanning line drawer lines, which connect with the second scanning lines, are formed, and a second common electrode being lattice shaped is formed in an area in which the second scanning line drawer lines are not formed in the second frame area.

11. A liquid crystal display device comprising:

a first liquid crystal display device including a first thin-film transistor substrate and a first opposing substrate being bonded together at a first frame area with a first sealant, a first liquid crystal being sealed therein, and a first display area being formed in an area in which the first liquid crystal is sandwiched;

a second liquid crystal display device including a second thin-film transistor substrate and a second opposing substrate being bonded together at a second frame area with a second sealant, a second liquid crystal being sealed therein, and a second display area being formed in an area in which the second liquid crystal is sandwiched,

wherein the first liquid crystal display device and the second liquid crystal display device are arranged in parallel, with portions thereof overlapping each other,

the first frame area of the first liquid crystal display device overlaps the second display area of the second liquid crystal display device, and the second frame area of the second liquid crystal display device overlaps the first display area of the first liquid crystal display device,

the first display area and the second display area are continuous in a plan view,

a first surface of the first thin-film transistor substrate, which is an opposite surface to a first counter surface on which the first opposing substrate exists, and

a second surface of the second thin-film transistor substrate, which is an opposite surface to a second counter surface on which the second opposing substrate exists are adhered to each other with a transparent adhesive sheet.

Assignments (1)

Priority Claims (1)

Continuity (2)

References Cited (15)