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US 2022/0013726 A1Published application
Phase-transition optical isomer compound, transparent electroluminescent display device and method of fabricating the transparent electroluminescent display device
AssigneeLG Display Co., Ltd.
InventorsJun-Sik HWANG, Nam KI, Chang-Woo CHUN, Eun-Ji SIM, Soo-Hyuk CHOI
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Abstract
A phase-transition optical isomer compound is described, a transparent EL display device including the phase-transition optical isomer compound and a method of fabricating the EL display device, where a phase of the phase-transition optical isomer compound is transited by light irradiation and a second electrode of the EL display device is selectively deposited without a masking process.
Claims7
A phase-transition optical isomer compound of formula:
- wherein each of R1 to R4 is independently selected from a heteroaromatic group containing a nitrogen atom.
Dependencies are inferred from the claim text.