# US 12,006,460 B2 · Photoelectric conversion compound and photoelectric conversion composition including the same

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- Number: US 12,006,460 B2
- Document ID: US12006460B2
- Status: Granted
- Kind: B2
- Application number: 17/565,946
- Filed: 2021-12-30
- Published: 2023-07-06
- Granted: 2024-06-11
- Earliest claimed: 2021-12-30
- Assignees: Industrial Technology Research Institute
- Applicants: Industrial Technology Research Institute
- Inventors: Min-Tsung Kuan; Wen-Hsien Wang; Yi-Chang Du; Szu-Lin Wang; Wen-Hsien Chou; Hsin-Hsin Hsieh
- Web page: https://patentgrep.com/patent/US12006460B2

## CPC

- C09K 11/7792: {Aluminates}
- C08G 63/08: Lactones or lactides
- C08G 63/823: {for the preparation of polylactones or polylactides}
- C08K 3/013: Fillers, pigments or reinforcing additives
- C08K 3/22: of metals
- C09K 11/06: containing organic luminescent materials
- H10H 20/8512: {Wavelength conversion materials}
- C08K 2003/2227: {of aluminium}
- C09K: MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C08G: MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08K: Use of inorganic or non-macromolecular organic substances as compounding ingredients (paints, inks, varnishes, dyes, polishes, adhesives C09)
- H10H: INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS

## Abstract

A photoelectric conversion compound is provided. The photoelectric conversion compound has a structure represented by formula (I): wherein D represents an inorganic luminescent group; each of R1, R2, and R3 independently represents a hydrogen atom or a C1-6 alkyl group; R4 represents a single bond or a C1-6 alkylene group; m represents an integer of 1-10; k represents an integer of 1-1,000; and n represents an integer of 1-10,000.

## Claims

### Claim 1

A photoelectric conversion compound, having a structure shown in Formula (I):
wherein D represents an inorganic luminescent group;
each of R1, R2, and R3 independently represents a hydrogen atom or a C1-6 alkyl group;
R4 represents a single bond or a C1-6 alkylene group;
m represents an integer of 1-10;
k represents an integer of 1-1,000; and
n represents an integer of 8-10,000.

### Claim 2 (depends on 1)

The photoelectric conversion compound as claimed in claim 1, wherein the photoelectric conversion compound has an ability to absorb light with a wavelength shorter than or equal to 400 nm and emit light with a wavelength longer than or equal to 400 nm.

### Claim 3 (depends on 1)

The photoelectric conversion compound as claimed in claim 1, wherein the inorganic luminescent group comprises CaAl2O4:Eu,Nd, Sr4Al14O25:Eu,Dy, or SrAl2O4:Eu, Dy.

### Claim 4 (depends on 1)

The photoelectric conversion compound as claimed in claim 1, wherein the photoelectric conversion compound has a refractive index between 1 and 2.

### Claim 5 (depends on 1)

The photoelectric conversion compound as claimed in claim 1, wherein the photoelectric conversion compound has a melting point between 30 and 180° C.

### Claim 6 (depends on 1)

A photoelectric conversion composition, comprising the photoelectric conversion compound as claimed in claim 1.

### Claim 7 (depends on 6)

The photoelectric conversion composition as claimed in claim 6, further comprising a transparent resin.

### Claim 8 (depends on 7)

The photoelectric conversion composition as claimed in claim 7, wherein the transparent resin comprises a hydrogenated styrene elastomer resin, an acrylate elastomer resin, an ethylene vinyl acetate copolymer (EVA), or a combination thereof.