IP Library › Granted Patent US 11,131,453
Granted Patent B2
US 11,131,453 · App. 16/841,303 · Granted Sep 28, 2021

Touch sensor assembly and door including the same

Inventors: Minchel Kim (Seoul, KR); Jinseung Park (Seoul, KR)
Assignee: LG ELECTRONICS INC.
F21V33/0044F25D29/005G06F3/0412G09F3/208G09F13/22H03K17/962F25D2400/361G09F2013/222H03K2217/960755H03K2217/960785
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Quick Facts
Patent No.
US 11,131,453
App. No.
16/841,303
Granted
Sep 28, 2021
Kind
B2
Abstract

A household appliance according to an embodiment of the present disclosure includes a front panel forming an exterior, a display window formed with a plurality of through holes having minute or fine sizes formed at the front panel, and the plurality of through holes are filled with a coating liquid including an anti-foaming agent.

Claims (21)

1. A household appliance comprising:

a front panel forming an exterior of the household appliance and formed of a metal material;

a display window area which includes a plurality of through holes to display information;

a display assembly provided at a rear of the front panel corresponding to the display window area and including a plurality of light emitting diodes (LEDs) which emit light toward the plurality of through holes; and

a coating layer to fill the plurality of through holes and provided outside of the through holes such the coating layer is formed in the plurality of through holes and a peripheral region of the plurality of through holes, the coating layer having an anti-foaming agent and provided on a rear surface the front panel corresponding to the display window area.

2. The household appliance of claim 1 , wherein the display window area includes eighty eight segments formed by a group of the plurality of through holes.

3. The household appliance of claim 1 , wherein the display window area includes at least one of a text, a drawing, or a symbol formed by a group of the plurality of through holes.

4. The household appliance of claim 1 , wherein a part of a coating liquid forming the coating layer fills the plurality of through holes.

5. The household appliance of claim 1 , wherein the anti-foaming agent is included in an entire coating liquid forming the hole filling coating layer at 0.5 to 1.5 wt %.

6. The household appliance of claim 1 , wherein a thickness of the hole filling coating layer is in a range of 35 to 55 μm.

7. The household appliance of claim 1 , further comprising an anti-fingerprint coating layer provided onto a front surface of the front panel.

8. The household appliance of claim 1 , wherein the coating layer has a prescribed transparency such that a brightness of light transmitted through the plurality of through holes is at least 40 nit.

9. The household appliance of claim 1 , further comprising a first black layer printed on a surface of the coating layer except the plurality of through holes.

10. The household appliance of claim 9 , further comprising a display cover pressed against the first black layer.

11. The household appliance of claim 10 , wherein the display cover includes:

a through hole formed at a position corresponding to the plurality of through holes, through which light emitted toward the plurality of through holes passes; and

a second black layer which is printed on a front surface of the display cover.

12. The household appliance of claim 10 , further comprising:

a touch sensor assembly mounted on the display cover; and

a display frame which slides and is inserted into a rear surface of the display cover in a state in which the display assembly is mounted.

13. The household appliance of claim 1 , a diameter of a front end of each of the plurality of first through holes is less than a diameter of a rear end thereof.

Priority Claims (1)
KR 10-2014-0189150 · Dec 24, 2014 · national
Continuity (4)
Continuation 16433631 · Jun 6, 2019
Continuation 15952941 · Apr 13, 2018
Continuation 14977623 · Dec 21, 2015
Related Publication 20200232637A1 · Jul 23, 2020
Cited By (7)
US 12,307,875 US 12,333,200 US 12,393,241 US 12,400,613 US 12,480,833 US 12,682,798 US 12,730,339