公开(公告)号：US20250013021A1

公开(公告)日：2025-01-09

申请号：US18764278

申请日：2024-07-04

Applicant: YOUNG OPTICS INC.

Inventor： Hsin-Te Chen

IPC: G02B13/16 ,  G02B13/00 ,  G02B13/18 ,  G02B15/14

Abstract: The invention discloses a projection lens. The projection lens includes a first lens with refractive power, a second lens with refractive power, a third lens with refractive power, a fourth lens with refractive power and a fifth lens with refractive power in order from an magnification side to a reduction side of the projection lens. An aperture stop is disposed between the second lens and the reduction side, wherein a number of the lenses refractive power of the projection lens is less than 12, and at least one of the second lens, the third lens, the fourth lens and the fifth lens is a gradient index lens, which satisfies the condition of 0.6>T/D>0.035.

公开(公告)号：US20240361574A1

公开(公告)日：2024-10-31

申请号：US18763511

申请日：2024-07-03

Applicant: Young Optics Inc.

Inventor： Ching-Sheng CHANG ,  Chia-Chen KUNG ,  Chiu-Jung LAI ,  Kuo-Chuan WANG

IPC: G02B13/00 ,  G02B9/10

CPC classification number: G02B13/003 ,  G02B9/10

Abstract: A low thermal-drift optical lens includes a first lens group, a second lens group and an aperture stop. The first lens group includes a first lens and a second lens, and the second lens group includes a third lens and a cemented lens. The aperture stop is disposed between the second lens and the cemented lens, and a lens with a refractive power of the low thermal-drift optical lens closest to the minified side has at least one inflection point. In an operating temperature range of −40° C. to 80° C., a thermal drift of the low thermal-drift optical lens relative to a focal plane at 25° C. is less than or equal to 10 um.

公开(公告)号：US20240334653A1

公开(公告)日：2024-10-03

申请号：US18592962

申请日：2024-03-01

Applicant: Young Optics Inc.

Inventor： ENG-SENG TAN ,  CHANG-CHUN CHEN

IPC: H05K7/20 ,  F25B21/02

CPC classification number: H05K7/2039 ,  F25B21/02 ,  F25B2321/0212

Abstract: A cooling device for an optical engine includes a cooler module, a first temperature/humidity sensor, a second temperature/humidity sensor and a temperature control system. The cooler module includes a cooler, the cooler has a heat-absorbing surface and a heat-dissipating surface, and the heat-absorbing surface is thermally coupled to at least one heat source. The first temperature/humidity sensor is disposed in a position not in contact with the cooler module, and the second temperature/humidity sensor is disposed on the heat-absorbing surface. The temperature control system is capable of receiving a signal from the first temperature/humidity sensor, receiving a signal from the second temperature/humidity sensor, and transmitting a signal to the cooler module.

公开(公告)号：US12013545B2

公开(公告)日：2024-06-18

申请号：US17826189

申请日：2022-05-27

Applicant: Young Optics Inc.

Inventor： Chih-Hsien Tsai ,  Chao-Shun Chen

IPC: G02B27/01

CPC classification number: G02B27/0179 ,  G02B27/0101 ,  G02B2027/0183 ,  G02B2027/0185

Abstract: A display system including a display device and a light combining device is provided. The display device includes a first display region and a second display region. The light combining device has a first surface and a second surface opposite to the first surface. The first surface is capable of reflecting a first light beam from the first display region to an observing region for forming a first virtual image. The second surface is capable of reflecting a second light beam from the second display region to the observing region for forming a second virtual image. A curvature of the first surface is different from a curvature of the second surface, and a position of the first virtual image is different from a position of the second virtual image.

公开(公告)号：US11945156B2

公开(公告)日：2024-04-02

申请号：US16693626

申请日：2019-11-25

Applicant: Young Optics Inc.

Inventor： Li-Han Wu ,  Chien-Hsing Tsai ,  Chao-Shun Chen ,  Tsung-Yu Liu

IPC: B29C64/129 ,  B29C64/245 ,  B29C64/255 ,  B33Y10/00 ,  B33Y30/00

CPC classification number: B29C64/129 ,  B29C64/245 ,  B29C64/255 ,  B33Y10/00 ,  B33Y30/00

Abstract: A three-dimensional printing apparatus includes a liquid tank capable of accommodating a photosensitive liquid. The liquid tank includes a film, a plurality of side walls, a plate and a motor. The film has a workpiece curing area. The plurality of side walls surrounds the film. The plate is capable of supporting the film and having at least one fluid tunnel extending from a first surface of the plate contacting the film to a second surface of the plate. The motor is connected to the liquid tank to incline the liquid tank. A gap is formed between the plat and one of the plurality of side walls of the liquid tank, and the film is communicated with an outside space via the gap.

公开(公告)号：US11774745B2

公开(公告)日：2023-10-03

申请号：US17155990

申请日：2021-01-22

Applicant: Young Optics Inc.

Inventor： Sheng-Ya Hsu ,  Yu-Chen Chang ,  Han-Min Chiu ,  Wei-Szu Lin

IPC: G02B26/08 ,  G09G3/00 ,  H04N9/31

CPC classification number: G02B26/0816 ,  G02B26/0875 ,  G09G3/007 ,  H04N9/3188

Abstract: A light path adjustment mechanism includes a support, a carrier, an optical plate member, a permanent magnet and an electromagnet. The carrier is disposed in the support and connected to the support by a first elastic member and a second elastic member, the first elastic member and the second elastic member are configured to twist substantially about a first axial direction, and the optical plate member is disposed on the carrier. An attractive force or a repulsive force generated between the permanent magnet and the electromagnet acts in a direction substantially perpendicular to the first axial direction, and one end of the carrier is provided with the permanent magnet or the electromagnet.

公开(公告)号：US11640052B2

公开(公告)日：2023-05-02

申请号：US17184016

申请日：2021-02-24

Applicant: Young Optics Inc.

Inventor： Wei-Szu Lin ,  Chih-Chien Lin ,  Yu-Chen Chang ,  Kuan-Lun Cheng

IPC: G02B26/08

Abstract: A light path adjustment mechanism includes a carrier, an optical plate member, a support, a base, a first pair of transmission mechanical pieces, and a second pair of transmission mechanical pieces. One side of the support is provided with a first actuator, and one side of the base is provided with a second actuator. The first pair of transmission mechanical pieces are connected between the base and the support, and the second pair of transmission mechanical pieces are connected between the carrier and the support. The first pair of transmission mechanical pieces are entirely disposed on only one side of the carrier.

公开(公告)号：US20230013059A1

公开(公告)日：2023-01-19

申请号：US17864391

申请日：2022-07-13

Applicant: Young Optics Inc.

Inventor： Ming-Fu Hsu

IPC: B29C64/393 ,  B29C64/245 ,  B29C64/124

Abstract: A 3D printing apparatus including a tank, a print platform, a motor, a force sensor, and a controller is provided. The tank is configured to accommodate a photocurable resin. The print platform is arranged adjacent to the tank. The motor is mechanically connected to the print platform. The motor is configured to drive the print platform to move. The force sensor includes a position encoder. The controller is electrically connected to the force sensor and the motor. The controller is configured to confirm whether the print platform is configured to reach a target position through a value of the position encoder.

公开(公告)号：US20220382023A1

公开(公告)日：2022-12-01

申请号：US17883337

申请日：2022-08-08

Applicant: Young Optics Inc.

Inventor： Hung-You CHENG ,  Yu-Hung CHOU ,  Ching-Lung LAI ,  Yi-Hua LIN ,  Wei-Hao HUANG

IPC: G02B13/00 ,  G02B9/64

Abstract: An optical lens system includes, in order from a magnified side to a minified side, a first lens group of positive refractive power and a second lens group of positive refractive power. The first lens group includes a first lens and a second lens, and the second lens group includes a third lens and a fourth lens. One of the third lens and the fourth lens includes one aspheric surface, and each of the lenses in the optical lens system is a singlet lens. The optical lens satisfies a condition of TE(λ=400)>94%, where TE(λ=400) denotes an overall transmittance of all of the lenses in the optical lens system measured at a wavelength of 400 nm.

公开(公告)号：US11498265B2

公开(公告)日：2022-11-15

申请号：US15014811

申请日：2016-02-03

Applicant: Young Optics Inc.

Inventor： Li-Han Wu

IPC: B29C64/124 ,  B33Y10/00 ,  B33Y30/00 ,  B29C64/255 ,  B29C33/68 ,  B29K483/00 ,  B29K427/18

Abstract: A three-dimensional printing apparatus includes a liquid tank. The liquid tank includes a release layer and a plate. The release layer has a workpiece curing area, and the plate supports the release layer and has a first area corresponding to the workpiece curing area and a second area adjacent to the first area; the second area has at least one fluid passage extending from a first surface of the plate contacting the release layer to a second surface of the plate. The embodiments of the present invention facilitate the separation of workpieces from the release layer. Another three-dimensional printing apparatus and a three-dimensional printing method are also provided.