US 11,927,534 B2
Spectrometer and fabrication method thereof
Xianqin Meng, Beijing (CN); Xue Dong, Beijing (CN); Wei Wang, Beijing (CN); Jifeng Tan, Beijing (CN); Xiandong Meng, Beijing (CN); Xiaochuan Chen, Beijing (CN); Jian Gao, Beijing (CN); Pengxia Liang, Beijing (CN); and Fangzhou Wang, Beijing (CN)
Assigned to BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Appl. No. 16/633,358
Filed by BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
PCT Filed Jul. 18, 2019, PCT No. PCT/CN2019/096571
§ 371(c)(1), (2) Date Jan. 23, 2020,
PCT Pub. No. WO2020/029763, PCT Pub. Date Feb. 13, 2020.
Claims priority of application No. 201810897371.2 (CN), filed on Aug. 8, 2018.
Prior Publication US 2021/0231565 A1, Jul. 29, 2021
Int. Cl. G01N 21/64 (2006.01); H01L 27/15 (2006.01); H01L 31/12 (2006.01); H01L 33/06 (2010.01); H01L 33/50 (2010.01)
CPC G01N 21/6456 (2013.01) [G01N 21/6404 (2013.01); H01L 27/156 (2013.01); H01L 31/12 (2013.01); H01L 33/06 (2013.01); H01L 33/502 (2013.01); H01L 2933/0041 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A spectrometer, comprising:
a first base substrate;
a second base substrate opposite to the first base substrate;
a detection channel between the first base substrate and the second base substrate and configured to accommodate or pass a liquid to be detected;
a quantum dot light emitting layer on a side of the first base substrate that is close to the second base substrate, and including a plurality of quantum dot light emitting units, wherein an orthogonal projection of the plurality of quantum dot light emitting units on the first base substrate falls within an orthogonal projection of the detection channel on the first base substrate;
a black matrix on the side of the first base substrate that is close to the second base substrate, and configured to separate the plurality of quantum dot light emitting units; and
a sensor layer, including a plurality of sensors in one-to-one correspondence with the plurality of quantum dot light emitting units,
the quantum dot light emitting layer protrudes from a surface of the first base substrate, and protrudes toward the second base substrate, the detection channel in which fluid to be investigated is located is in the second base substrate, and the plurality of sensors are located between the second base substrate and a third base substrate, the third base substrate is opposite to the second base substrate and located on a side of the second base substrate away from the first base substrate, and the sensor layer and the quantum dot light emitting layer are located in a same side of the detection channel.