US 12,393,088 B2
Flash lamp, flash lamp control method and mobile equipment
Wei Liu, Guangdong (CN); Qing Xiao, Guangdong (CN); Zheng Liu, Guangdong (CN); Guangwen Wu, Guangdong (CN); and Dandan Su, Guangdong (CN)
Assigned to GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD., Guangdong (CN)
Filed by GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD., Guangdong (CN)
Filed on Jul. 5, 2022, as Appl. No. 17/857,704.
Application 17/857,704 is a continuation of application No. PCT/CN2020/140679, filed on Dec. 29, 2020.
Claims priority of application No. 202010011552.8 (CN), filed on Jan. 6, 2020.
Prior Publication US 2022/0334447 A1, Oct. 20, 2022
Int. Cl. G02F 1/163 (2006.01); F21V 14/00 (2018.01); G02F 1/1506 (2019.01); G02F 1/1514 (2019.01); G02F 1/157 (2006.01); G03B 15/05 (2021.01)
CPC G02F 1/163 (2013.01) [F21V 14/003 (2013.01); G02F 1/1508 (2013.01); G02F 1/1514 (2019.01); G02F 1/157 (2013.01); G03B 15/05 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A flash lamp, comprising: a light-emitting device and an electrochromic module disposed on the light-emitting device; wherein a color of the electrochromic module is different under different operating voltages, such that a color temperature of light is different, the light being emitted by the light-emitting device and passing through the electrochromic module;
wherein the electrochromic module comprises a first electrochromic device configured to adjust a cold color light and a second electrochromic device configured to adjust a warm color light; the first electrochromic device and the second electrochromic device are sequentially arranged on the light-emitting device;
the first electrochromic device comprises a first conductive layer, a first electrochromic layer, a first electrolyte layer, a first ion storage layer, and a second conductive layer arranged in sequence; the second electrochromic device comprises a third conductive layer, a second electrochromic layer, a second electrolyte layer, a second ion storage layer, and a fourth conductive layer arranged in sequence.