Light-emitting element, light-emitting device, and method for manufacturing the same

S Shitagaki, T Suzuki, S Seo - US Patent 9,741,955, 2017 - Google Patents
An object is to provide a light-emitting element with high emission efficiency. Another object
is to provide a light-emitting element with a long lifetime and high reliability. Another object is …

Method and apparatus for detecting infrared radiation with gain

F So, JW Lee, BK Pradhan - US Patent 10,134,815, 2018 - Google Patents
Photodetectors, methods of fabricating the same, and meth ods using the same to detect
radiation are described. A photodetector can include a first electrode, a light sensitizing …

Method and apparatus for infrared detection and display

F So - US Patent 10,700,141, 2020 - Google Patents
Embodiments of the subject invention relate to a method and apparatus for infrared (IR)
detection. Organic layers can be utilized to produce a phototransistor for the detection of IR …

Organic electroluminescent device

C Pflumm, F Voges - US Patent App. 13/395,476, 2012 - Google Patents
0002 The structure of organic electroluminescent devices (OLEDs) in which organic
semiconductors are employed as functional materials is described, for example, in US Pat …

Up-conversion device with broad band absorber

F So, B Pradhan, JW Lee - US Patent 8,592,801, 2013 - Google Patents
Embodiments of the invention are directed to an IR photodetector that broadly absorbs
electromagnetic radiation including at least a portion of the near infrared (NIR) spectrum …

Method and apparatus for providing a charge blocking layer on an infrared up-conversion device

F So, DW Song, G Sarasqueta, BK Pradhan… - US Patent …, 2018 - Google Patents
Embodiments of the invention are directed to an improved device for sensing infrared (IR)
radiation with up-conversion to provide an output of electromagnetic radiation having a …

Light-emitting element including light-emitting layer having host material

N Hashimoto, T Suzuki, S Seo, H Seo… - US Patent …, 2024 - Google Patents
2021-06-24 Assigned to SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
reassignment SEMICONDUCTOR ENERGY LABORATORY CO., LTD. ASSIGNMENT OF …

Photoelectric devices having charge transport layer including first charge transport material and second charge transport material and sensors and electronic devices …

H Seok-Hwan, SJ Park, KB Park, SY Yun… - US Patent …, 2023 - Google Patents
2020-06-04 Assigned to SAMSUNG ELECTRONICS CO., LTD. reassignment SAMSUNG
ELECTRONICS CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT …

Light-emitting element

N Hashimoto, T Suzuki, S Seo, H Seo… - US Patent …, 2021 - Google Patents
(57) ABSTRACT A light-emitting element that includes a fluorescent material and has a high
emission efficiency is provided. A light emitting element in which a delayed fluorescence …

Monodisperse, IR-absorbing nanoparticles and related methods and devices

F So, JW Lee, BK Pradhan - US Patent 10,749,058, 2020 - Google Patents
Embodiments described herein generally relate to monodis perse nanoparticles that are
capable of absorbing infrared radiation and generating charge carriers. In some cases, at …