US 12,253,237 B2
Light emitting device
Jui-Jen Yueh, Miao-Li County (TW); and Kuan-Feng Lee, Miao-Li County (TW)
Assigned to InnoLux Corporation, Miao-Li County (TW)
Filed by InnoLux Corporation, Miao-Li County (TW)
Filed on May 15, 2024, as Appl. No. 18/664,311.
Application 18/664,311 is a continuation of application No. 17/548,596, filed on Dec. 13, 2021, granted, now 12,018,816.
Application 17/548,596 is a continuation of application No. 17/213,239, filed on Mar. 26, 2021, granted, now 11,221,126, issued on Jan. 11, 2022.
Claims priority of application No. 202010338925.2 (CN), filed on Apr. 26, 2020.
Prior Publication US 2024/0302027 A1, Sep. 12, 2024
Int. Cl. F21V 14/00 (2018.01); H01L 25/075 (2006.01); H01L 33/58 (2010.01); G02F 1/1334 (2006.01)
CPC F21V 14/003 (2013.01) [H01L 25/0753 (2013.01); H01L 33/58 (2013.01); G02F 1/1334 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A light emitting device, comprising:
a plurality of light emitting elements for emitting lights; and
a light controller disposed on the plurality of light emitting elements for the lights passing through to form output lights;
wherein the light controller comprises a first optical element, a second optical element and a transparent element disposed between the first optical element and the second optical element, and a thickness of the transparent element is not greater than 0.35 mm;
wherein the second optical element comprises a plurality of switchable diffusers disposed corresponding to the plurality of light emitting elements and a plurality of light shielding elements surrounding the switchable diffusers.