Button composite structure

Patent metadata

Field	Value
Publication number	US-11822174-B2
Application number	US-202117798058-A
Country	US
Kind code	B2
Filing date	Jan 12, 2021
Priority date	Feb 6, 2020
Publication date	Nov 21, 2023
Grant date	Nov 21, 2023

Abstract

A button complex structure according to one embodiment of solving the aspect may include: a display panel including a first substrate, a second substrate on the first substrate, and a liquid crystal layer between the first substrate and the second substrate; a member on the second substrate; a first coupling member configured to couple the display panel to one surface of the member; a button structure disposed on the other surface opposite to the one surface of the member; and a second coupling member configured to couple the other surface of the member to the button structure, wherein the member includes a third substrate and the button structure is directly coupled to the third substrate via the second coupling member, wherein the button structure includes a button body fixed to the third substrate, a button circuit unit fastened to the button body, a button connected to the button circuit unit, and further includes a first communication unit disposed between the member and the display panel and a second communication unit disposed in the button circuit unit.

First claim

The invention claimed is:

1. A button complex structure, comprising:
a display panel including a first substrate, a second substrate on the first substrate, a liquid crystal layer between the first substrate and the second substrate;
a member on the second substrate;
a first coupling member configured to couple the display panel to one surface of the member;
a button structure disposed on the other surface opposite to the one surface of the member; and
a second coupling member configured to couple the other surface of the member to the button structure,
wherein the member includes a third substrate and the button structure is directly coupled to the third substrate via the second coupling member,
wherein the button structure comprises:
a button body fixed to the third substrate;
a button circuit unit fastened to the button body;
a button connected to the button circuit unit, and
further comprises a first communication unit disposed between the member and the display panel and a second communication unit disposed in the button circuit unit.

2. The button complex structure of claim 1 , wherein the button body includes a locking pin, the button circuit unit includes a locking groove, and the button circuit unit is fastened to the button body by inserting the locking pin into the locking groove.

3. The button complex structure of claim 2 , wherein a plurality of locking pins are provided, and a plurality of locking grooves are provided, and the button circuit unit is separated from the button body in such a way that each of the plurality of lock pins is simultaneously taken out from the lock grooves corresponding to a plurality of unlocking pins.

4. The button complex structure of claim 1 , further comprising a third coupling member disposed between the first communication unit and one surface of the member,
wherein the first communication unit is attached to one surface of the member by the third coupling member.

5. The button complex structure of claim 1 , wherein the button circuit unit includes a circuit board on which a button switch is disposed, the button switch is in contact with the button, and the button switch receives an input signal input to the button.

6. The button complex structure of claim 5 , wherein the second communication unit is disposed between the circuit board and the button body.

7. The button complex structure of claim 6 , wherein the second communication unit may be electrically connected to the circuit board, and the second communication unit provides the input signal to the first communication unit when the input signal is provided to the button switch via the button.

8. The button complex structure of claim 7 , comprising a signal line electrically connected to the first communication unit,
wherein the signal line includes a first signal line, and the first signal line provides the input signal provided to the first communication unit to the display panel.

9. The button complex structure of claim 8 , wherein the signal line includes a second signal line, the second signal line provides the first communication unit with an on/off signal that controls on/off of the button switch, and the first communication unit provides the on/off signal to the second communication unit.

10. The button complex structure of claim 8 , wherein the signal line is disposed between the member and the display panel.

11. The button complex structure of claim 10 , further comprising a light emitting element disposed on the circuit board,
wherein the signal line includes a third signal line, the third signal line provides a power signal of the light emitting element to the first communication unit, and the first communication unit provides the power signal of the light emitting element to the first communication unit.

12. The button complex structure of claim 11 , wherein the light emitting element emits light according to the input signal input to the button.

13. The button complex structure of claim 12 , further comprising a focus variable unit disposed to overlap the light emitting element and disposed in the button circuit unit,
wherein the focus variable unit changes the focus of light provided from the light emitting element.

14. The button complex structure of claim 5 , wherein the first communication unit includes a wireless power transmitter, and the second communication unit includes a wireless power receiver.

15. The button complex structure of claim 5 , wherein each of the first communication unit and the second communication unit may include a short-range communication unit.

16. The button complex structure of claim 1 , wherein the button may include a transparent material.

17. The button complex structure of claim 1 , wherein the member further includes a touch layer on the third substrate, the touch layer includes one surface of the member, and the touch layer is coupled to the display panel by the first coupling member.

Assignees

• Tovis Co Ltd

Inventors

• Kim Yong Beom
• Kim Joon Seog

Classifications

• G02F1/13338 Primary

  Input devices, e.g. touch panels · CPC title

• G02F1/133526

  Lenses, e.g. microlenses or Fresnel lenses · CPC title

• G02F1/133565

  inside the LC elements, i.e. between the cell substrates · CPC title

• G06F3/0202 Primary

  Constructional details or processes of manufacture of the input device · CPC title

• H01H13/70 Primary

  having a plurality of operating members associated with different sets of contacts, e.g. keyboard (mounting together a plurality of independent switches H02B) · CPC title