IP Library › Granted Patent US 11,384,915
Granted Patent B1
US 11,384,915 · App. 17/523,640 · Granted Jul 12, 2022

Garnishless type hidden lamp for vehicle

Inventors: Dong-Hoon Choo (Gwacheon-si, KR); Seung-Pyo Hong (Incheon, KR); Yeong-Han Park (Gyeongsan-si, KR); Su-Jung Lee (Daegu, KR); Dae-Han Bae (Daegu, KR)
Assignees: Hyundai Motor Company; Kia Corporation; SL Corporation
F21S41/275B60Q3/54F21S41/16
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 11,384,915
App. No.
17/523,640
Granted
Jul 12, 2022
Kind
B1
Abstract

A garnishless type hidden lamp applied to a vehicle, may include a light source module, in which an internal lens spaced from an external lens, appearing as a garnish from outside thereof due to a color of a penetrable painting portion which reflects the external light, with an air gap interposed therebetween transmits an internal light of a light source through laser perforation holes to form a laser pattern on the external lens, so that the garnishless type hidden lamp may have the sense of unity with vehicle design by a painting garnish function of the external lens without combination with a separate metal garnish, improve a wow effect using the painting garnish, implement differentiated and customized lighting by only changing the laser pattern.

Claims (45)

1. A garnishless type hidden lamp, comprising:

an external lens including a penetrable painting portion which reflects an external light so that the external lens looks like a garnish when seen outside thereof;

an internal lens disposed adjacent to the external leans and including laser perforation holes which transmit an internal light to the external lens; and

a light source configured to generate the internal light.

2. The garnishless type hidden lamp of claim 1 , wherein the external lens and the internal lens are spaced from each other with an air gap interposed therebetween.

3. The garnishless type hidden lamp of claim 2 ,

wherein the air gap is set to have an air gap optimum space, and

wherein the air gap optimum space is a distance that prevents the external light penetrating the external lens from scattering from the laser perforation holes and prevents the internal light exiting from the laser perforation holes from scattering from the external lens.

4. The garnishless type hidden lamp of claim 3 , wherein the air gap is set as an air gap reduction space shortened by the distance in the air gap optimum space or an air gap expansion space lengthened by the distance in the air gap optimum space.

5. The garnishless type hidden lamp of claim 4 , wherein the air gap reduction space scatters a part of the external light in the laser perforation holes to blur a shape of the laser perforation holes on the external lens.

6. The garnishless type hidden lamp of claim 4 , wherein the air gap expansion space scatters a part of the internal light exiting from the laser perforation holes to blur a design of the laser perforation holes on the external lens.

7. The garnishless type hidden lamp of claim 1 ,

wherein the external lens includes a transparent lens portion made of a transparent material and configured to form external visibility for the penetrable painting portion, and

wherein the transparent lens portion forms a boundary surface which is placed opposite to an external exposed surface onto which the external light is incident, between the penetrable painting portion and the transparent lens portion.

8. The garnishless type hidden lamp of claim 7 , wherein paint color painting which transmits and reflects the external light is applied to the penetrable painting portion.

9. The garnishless type hidden lamp of claim 1 , wherein the internal lens includes:

a transparent lens portion made of a transparent material and configured to transmit the internal light; and

a laser pattern portion disposed in the transparent lens portion and having the laser perforation holes processed as a laser pattern.

10. The garnishless type hidden lamp of claim 9 ,

wherein the laser pattern portion includes a light blocking portion and a blocking painting portion,

wherein the light blocking portion passes the internal light through the laser perforation holes while reflecting the internal light at a boundary surface formed between the transparent lens portion and the light blocking portion, and

wherein the blocking painting portion passes the internal light through the laser perforation holes while absorbing the internal light at a boundary surface formed between the light blocking portion and the blocking painting portion.

11. The garnishless type hidden lamp of claim 10 ,

wherein paint color painting which reflects the internal light is applied to the light blocking portion, and

wherein black painting which absorbs the internal light is applied to the blocking painting portion.

12. The garnishless type hidden lamp of claim 11 , wherein the paint color painting is one of a black painting, a white painting, and a light gray painting.

13. The garnishless type hidden lamp of claim 10 ,

wherein the light blocking portion is formed on the transparent lens portion by deposition, and

wherein chromium (Cr) or aluminum (AL) is applied to the deposition.

14. The garnishless type hidden lamp of claim 1 , wherein the internal lens includes:

a transparent lens portion made of a transparent material and configured to transmit the internal light;

a blocking painting portion disposed in the transparent lens portion and having the laser perforation holes processed as a laser pattern; and

a retro reflection portion positioned between the transparent lens portion and the blocking painting portion and configured to form a boundary surface.

15. The garnishless type hidden lamp of claim 14 , wherein the retro reflection portion is integrally formed with the transparent lens portion.

16. The garnishless type hidden lamp of claim 1 , wherein the plurality of laser perforation holes form a perforation row and form a laser pattern.

17. A vehicle including:

a garnishless type hidden lamp including a light source module, in which an internal lens spaced from an external lens, appearing as a garnish from outside thereof due to a color of a penetrable painting portion which reflects the external light, with an air gap interposed therebetween transmits an internal light of a light source through laser perforation holes, to form a laser pattern on the external lens, and a back cover configured to totally reflect the internal light from the inside of a lamp housing; and

a bumper having the garnishless type hidden lamp disposed thereon.

18. The vehicle of claim 17 , wherein the garnishless type hidden lamp has a shape matched to a shape of the bumper.

19. The vehicle of claim 17 ,

wherein the external lens includes a transparent lens portion made of a transparent material and configured to form external visibility for the penetrable painting portion, and

wherein the transparent lens portion forms a boundary surface which is placed opposite to an external exposed surface onto which the external light is incident, between the penetrable painting portion and the transparent lens portion.

20. The vehicle of claim 17 , wherein the internal lens includes:

a transparent lens portion made of a transparent material and configured to transmit the internal light; and

a laser pattern portion disposed in the transparent lens portion and having the laser perforation holes.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 10, 2021
From: CHOO, DONG-HOON; HONG, SEUNG-PYO; PARK, YEONG-HAN; LEE, SU-JUNG; BAE, DAE-HAN
To: HYUNDAI MOTOR COMPANY; KIA CORPORATION; SL CORPORATION
Reel/Frame 058077/0560 →
Priority Claims (1)
KR 10-2021-0032768 · Mar 12, 2021 · national
Cited By (2)
US 12,241,604 US 12,466,311