公开(公告)号：US20240101847A1

公开(公告)日：2024-03-28

申请号：US18059494

申请日：2022-11-29

Applicant: Lextar Electronics Corporation

Inventor： Chun Che LIN ,  Chong-Ci HU ,  Yi-Ting TSAI ,  Ching-Yi CHEN ,  Yu-Chun LEE

IPC: C09D11/50 ,  C09D11/033 ,  C09D11/037 ,  C09D11/108 ,  C09D11/322 ,  C09D11/36 ,  C09D11/38 ,  C09K11/66

CPC classification number: C09D11/50 ,  C09D11/033 ,  C09D11/037 ,  C09D11/108 ,  C09D11/322 ,  C09D11/36 ,  C09D11/38 ,  C09K11/661 ,  B82Y20/00

Abstract: A quantum dot oil-based ink is provided. The quantum dot oil-based ink includes a quantum dot material, a dispersing solvent, a viscosity modifier, and a surface tension modifying solution. The dispersing solvent includes a linear alkane having 6 to 14 carbon atoms. The viscosity modifier includes an aromatic hydrocarbon having 10 to 18 carbon atoms or a linear olefin having 16 to 20 carbon atoms. The surface tension modifying solution includes a hydrophobic polymer material and a nonpolar solvent.

公开(公告)号：US20220029067A1

公开(公告)日：2022-01-27

申请号：US17083329

申请日：2020-10-29

Applicant: Lextar Electronics Corporation

Inventor： Yi-Ting TSAI ,  Hung-Chia WANG ,  Chia-Chun HSIEH ,  Hung-Chun TONG ,  Yu-Chun LEE ,  Tzong-Liang TSAI

IPC: H01L33/50

Abstract: A light-emitting diode device is provided. First and second green conversion materials are respectively configured to convert a blue light emitted from a blue light-emitting diode to generate a first green light with a first wavelength range and a first wavelength FWHM, and a second green light with a second wavelength range and a second wavelength FWHM. The second wavelength FWHM is smaller than the first wavelength FWHM. A lower bound of the first wavelength range is smaller than a lower bound of the second wavelength range, and an upper bound of the second wavelength range is greater than an upper bound of the first wavelength range. An output light emitted from the light-emitting diode device has a spectral characteristic of less than 50% of TÜV Rheinland and more than 90% of wide color gamut.

公开(公告)号：US20210288227A1

公开(公告)日：2021-09-16

申请号：US17033699

申请日：2020-09-26

Applicant: Lextar Electronics Corporation

Inventor： Yi-Ting TSAI ,  Hung-Chia WANG ,  Chia-Chun HSIEH ,  Hung-Chun TONG ,  Yu-Chun LEE ,  Tzong-Liang TSAI

IPC: H01L33/50 ,  H01L33/18

Abstract: The wavelength conversion material includes a general formula (I) MmAaBbCcDdEe:ESxREy and satisfies a condition (II) that a proportion of D for the wavelength conversion material greater than or equal to 50%. M is selected from a group consisting of Ca, Sr and Ba. A is selected from a group consisting of elements Mg, Mn, Zn and Cd. B is selected from a group consisting of elements B, Al, Ga and In. C is selected from a group consisting of Si, Ge, Ti and Hf. D is selected from a group consisting of elements O, S and Se. E is selected from a group consisting of elements N and P. ES is selected from a group consisting of divalent Eu, Sm and Yb. RE is selected from a group consisting of trivalent Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er and Tm.

公开(公告)号：US20220291551A1

公开(公告)日：2022-09-15

申请号：US17650856

申请日：2022-02-14

Applicant: Lextar Electronics Corporation

Inventor： Yi-Ting TSAI ,  Hung-Chia WANG ,  Chia-Chun HSIEH ,  Pei-Cong YAN ,  Hung-Chun TONG ,  Yu-Chun LEE ,  Tzong-Liang TSAI

IPC: G02F1/1335 ,  G02F1/13357

Abstract: A wavelength conversion material comprises a luminous core and a covering layer. The luminous core comprises a quantum dot or a fluorescent powder. The covering layer covers the luminous core. The covering layer is an amorphous material, and an outer surface of the covering layer has at least one sharp corner.

公开(公告)号：US20210167257A1

公开(公告)日：2021-06-03

申请号：US17013851

申请日：2020-09-07

Applicant: Lextar Electronics Corporation

Inventor： Yi-Ting TSAI ,  Hung-Chia WANG ,  Hung-Chun TONG ,  Yu-Chun LEE ,  Tzong-Liang TSAI

IPC: H01L33/50 ,  H01L33/00 ,  G02F1/13357

Abstract: A light conversion material includes a general formula and complies with a condition. The general formula is MmAaCcEe:ESxREy. M is at least one element selected from a group, and 2≤m≤3. A is at least one element selected from a group, and 0.01≤a≤1. C is at least one element selected from a group, and 1≤c≤9, E is at least one element selected from a group, and 5≤e≤7. ES is at least one element selected from a group, and 0≤x≤3. RE is at least one element selected from a group, and 0≤y≤3. The condition (2) is m+x+y=3.

公开(公告)号：US20200176647A1

公开(公告)日：2020-06-04

申请号：US16537618

申请日：2019-08-11

Applicant: Lextar Electronics Corporation

Inventor： Yi-Ting TSAI ,  Yu-Chun LEE ,  Tzong-Liang TSAI

IPC: H01L33/50 ,  H01L25/075 ,  H05K1/18 ,  H01L33/62 ,  C09K11/77 ,  C09K11/08

Abstract: A nitride phosphor, and a light emitting device and a backlight module employing the nitride phosphor. The nitride phosphor has the formula (Sr1-x, Bax)LiAl3N4-nOn:Eu3+y, Eu2+z with 0 0.1. The light emitting device includes a light emitting diode configured to emit a first light and the nitride phosphor configured to convert a portion of the first light to a second light. A backlight module includes a printed circuit board and a plurality of the light emitting devices.

公开(公告)号：US20220098482A1

公开(公告)日：2022-03-31

申请号：US17103972

申请日：2020-11-25

Applicant: Lextar Electronics Corporation

Inventor： Chun-Che LIN ,  Chun-Han LU ,  Yi-Ting TSAI ,  Yu-Chun LEE ,  Tzong-Liang TSAI

IPC: C09K11/71 ,  H01L33/50

Abstract: In the present disclosure embodiments, a phosphate phosphor including an activation center of trivalent chromium and a light emitting device are provided. The light emitting device includes a light source and the above mentioned phosphate phosphor, such that the phosphate phosphor is excited by the light source and emits a wide spectrum of the infrared light. The light emitting device with wide emission spectrum of the infrared light may be widely applied in detecting devices.

公开(公告)号：US20190233723A1

公开(公告)日：2019-08-01

申请号：US16261533

申请日：2019-01-29

Applicant: Lextar Electronics Corporation

Inventor： Chi LEE ,  Mu-Huai FANG ,  Ru-Shi LIU ,  Yi-Ting TSAI ,  Tzong-Liang TSAI ,  Yu-Chun LEE

IPC: C09K11/08 ,  H01L33/50

Abstract: An infrared emitting fluoride phosphor and an infrared light emitting device are provided. The infrared emitting fluoride phosphor includes an activation center of Cr3+. The infrared light emitting device includes a light source and the infrared emitting fluoride phosphor. The light source is disposed to emit a first light, and the first light has a wavelength of 400-700 nm. The infrared emitting fluoride phosphor is configured to be excited by the first light to emit a first infrared ray. The first infrared ray has a wavelength of 650-1000 nm. The infrared light emitting device has a broad emission wavelength, such that it can be applied in variety of sensing device.