US 12,242,147 B2
Semiconductor device and display device
Ryo Hatsumi, Kanagawa (JP); and Tetsuji Ishitani, Kanagawa (JP)
Assigned to Semiconductor Energy Laboratory Co., Ltd., Kanagawa-ken (JP)
Filed by SEMICONDUCTOR ENERGY LABORATORY CO., LTD., Atsugi (JP)
Filed on Jul. 7, 2023, as Appl. No. 18/219,283.
Application 16/039,533 is a division of application No. 14/948,987, filed on Nov. 23, 2015, granted, now 10,031,362, issued on Jul. 24, 2018.
Application 18/219,283 is a continuation of application No. 17/072,164, filed on Oct. 16, 2020, granted, now 11,698,547.
Application 17/072,164 is a continuation of application No. 16/039,533, filed on Jul. 19, 2018, granted, now 10,809,556, issued on Oct. 20, 2020.
Claims priority of application No. 2014-243995 (JP), filed on Dec. 2, 2014.
Prior Publication US 2023/0359076 A1, Nov. 9, 2023
Int. Cl. G02F 1/1333 (2006.01); G02F 1/1345 (2006.01); G06F 3/041 (2006.01); H01L 27/12 (2006.01); H01L 29/24 (2006.01); H01L 29/786 (2006.01)
CPC G02F 1/13338 (2013.01) [H01L 27/1225 (2013.01); H01L 27/1255 (2013.01); H01L 29/24 (2013.01); H01L 29/7869 (2013.01); G02F 1/13454 (2013.01); G06F 3/0412 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A display device having a display portion comprising:
a first substrate;
a first transistor over the first substrate;
a first conductive film over the first transistor, a first part of the first conductive film having a plurality of first slits;
a first pixel electrode comprising a first region overlapping with the first transistor and a second region having a plurality of second slits, the first pixel electrode being electrically connected to the first transistor;
a liquid crystal layer over the first conductive film and the first pixel electrode;
a second conductive film over the liquid crystal layer; and
a second substrate over the second conductive film,
wherein the display portion includes a sensor unit,
wherein the sensor unit includes a first electrode comprising a second part of the first conductive film and a second electrode comprising the second conductive film, and
wherein the plurality of second slits of the second region of the first pixel electrode overlap with the first part of the first conductive film.