IP Library Granted Patent US 8,407,921
Granted Patent B2
US 8,407,921 · App. 13/172,865 · Granted Apr 2, 2013

Backlit logo device

Inventors: Da-Gang Hu (Shenzhen, CN); Shou-Ji Liu (Shenzhen, CN); Ze-Bo Lin (Shenzhen, CN); Feng Dai (Shenzhen, CN); Te-Sheng Jan (New Taipei, TW); Yu-Tao Chen (New Taipei, TW); Chun-Che Yen (New Taipei, TW)
Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd.; Hon Hai Precision Industry Co., Ltd.
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Quick Facts
Patent No.
US 8,407,921
App. No.
13/172,865
Granted
Apr 2, 2013
Kind
B2
Abstract

A backlit logo device includes an elongated light guiding member and two sources. The two light sources are arranged at opposite ends of the light guiding member. The light guiding member includes a display surface. The display surface includes a transparent logo so light from the light sources passes through the logo. The light guiding member further includes a light reflecting surface opposite to the display surface. The light reflecting surface includes a plurality of light diffusing portions formed in a middle portion of light reflecting surface. The light diffusing portions are configured to diffusely reflect the light from the light sources to the display surface.

Claims (4)

1. A backlit logo device comprising:

an elongated light guiding member comprising a display surface, a transparent logo formed on the display surface; and

two light sources arranged at opposite ends of the light guiding member;

wherein the light guiding member further comprises a light reflecting surface opposite to the display surface, and a plurality of light diffusing portions formed in a middle portion of the light reflecting surface, each of the light diffusing portions has an arc-shaped profile, the light reflecting surface is a flat surface and the light diffusing portions protrude from the light reflecting surface, the light diffusing portions are configured to diffusely reflect light from the light sources to the display surface.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 30, 2011
From: HU, DA-GANG; LIU, SHOU-JI; LIN, ZE-BO; DAI, FENG; JAN, TE-SHENG; CHEN, YU-TAO; YEN, CHUN-CHE
To: HONG FU JIN PRECISION INDUSTRY (SHENZHEN) CO., LTD.; HON HAI PRECISION INDUSTRY CO., LTD.
Reel/Frame 026525/0388 →
Priority Claims (1)
CN 2011 1 0096445 · Apr 18, 2011 · national
Continuity (1)
Related Publication 20120260546A1 · Oct 18, 2012