US 12,444,350 B2
Organic display device
Han-Chung Hsu, Zhubei (TW)
Assigned to Sensortek Technology Corp., Zhubei (TW)
Filed by SENSORTEK TECHNOLOGY CORP., Zhubei (TW)
Filed on Jun. 10, 2022, as Appl. No. 17/837,432.
Claims priority of provisional application 63/209,134, filed on Jun. 10, 2021.
Prior Publication US 2022/0398975 A1, Dec. 15, 2022
Int. Cl. G09G 3/3208 (2016.01); H10K 59/13 (2023.01)
CPC G09G 3/3208 (2013.01) [H10K 59/13 (2023.02); G09G 2320/0693 (2013.01); G09G 2360/144 (2013.01); G09G 2360/145 (2013.01)] 9 Claims
OG exemplary drawing
 
1. An organic display device, comprising:
a light sensing device, including a first light sensing region and a second light sensing region, further including a first light filtering device disposed on said first light sensing region and further including a second light filtering device disposed on said second light sensing region, said first light filtering device and said second light filtering device have first and second circular polarization angles while said first light filtering device includes a first wave plate and a first polarization sheet, said second light filtering device includes a second wave plate and a second polarization sheet, and said first wave plate and said second wave plate are phase delay sheets;
an organic light-emitting diode display panel, disposed on said light sensing device, generating a display light signal; and
an operational circuit, coupled to said light sensing device, receiving a first light sensing signal and a second light sensing signal from said light sensing device, said first light sensing signal and said second light sensing signal corresponding to a light sensing matrix, said operational circuit acquiring an ambient light sensing value corresponding to an ambient light intensity of an ambient light signal according to said light sensing matrix, said first light sensing signal and said second light sensing signal,
wherein said first light sensing region and said second light sensing region sense a first ambient filtered light and a second ambient filtered light while said ambient light signal is passing through said organic light-emitting diode display panel, said first light filtering device, and said second light filtering device, based on said first circular polarization angle and said second circular polarization angle;
wherein said first light sensing region and said second light sensing region sense a first display filtered light and a second display filtered light while said display light signal is passing through said first light filtering device and said second light filtering device, based on said first circular polarization angle and said second circular polarization angle;
wherein said first light sensing region generates said first light sensing signal according to said first ambient filtered light and said first display filtered light, and said first light sensing signal is indicative of said first ambient filtered light and said first display filtered light received sensed by said first sensing region;
wherein said second sensing region generates said second light sensing signal according to said second ambient filtered light and said second display filtered light, and said second light sensing signal is indicative of said second ambient filtered light and said second display filtered light sensed by said second sensing region; and
wherein said ambient light sensing value and said ambient light intensity of said ambient light signal correspond to a light intensity of said display light signal adjusted by said organic light-emitting diode display panel.