Patents by Inventor Fan Jin

Fan Jin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Light emitting diode
    Patent number: 9076935
    Abstract: A light emitting diode includes a source layer, a metallic plasma generating layer, a first optical symmetric layer, a first electrode, and a second electrode. The source layer includes a first semiconductor layer, an active layer, and a second semiconductor layer stacked in series. The first semiconductor layer includes a first surface and a second surface opposite to the first surface. The first electrode covers and contacts the first surface. The second electrode is electrically connected with the second semiconductor layer. The metallic plasma generating layer is disposed on a surface of the source layer away from the first semiconductor layer. The first optical symmetric layer is disposed on a surface of the metallic plasma generating layer away from the first semiconductor layer. A refractive index difference between the source layer and the first optical symmetric layer is less than or equal to 0.3.
    Type: Grant
    Filed: December 28, 2012
    Date of Patent: July 7, 2015
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Jun Zhu, Hao-Su Zhang, Qun-Qing Li, Guo-Fan Jin, Shou-Shan Fan
  • Laser
    Patent number: 9077145
    Abstract: A laser includes a total reflective mirror, an output mirror, a discharge lamp, and an active laser medium. The total reflective mirror, the output mirror, and the discharge lamp define a resonant cavity. The active laser medium is filled in the resonant cavity. The total reflective mirror includes a microstructure. The microstructure is concave ring-shaped structure. The concave ring-shaped structure has a depth and a width, and both the depth and the width are in a range from about 0.5? to about 2?, while ? is a working wavelength of the laser.
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: July 7, 2015
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Jing-Lei Zhu, Jun Zhu, Qun-Qing Li, Kai-Li Jiang, Chen Feng, Guo-Fan Jin, Shou-Shan Fan
  • Laser
    Patent number: 9059558
    Abstract: A laser includes a total reflective mirror, an output mirror, a discharge lamp, and an active laser medium. The total reflective mirror, the output mirror, and the discharge lamp define a resonant cavity. The active laser medium is filled in the resonant cavity. The total reflective mirror includes a body, a metal film, and at least one microstructure. Each of the at least one microstructure is a step structure. The step structure includes a plurality of cylinders stacked with each other with respect to their diameters. Both the height and the diameter of the cylinders are in a range from about 0.5? to about 2?, while ? is a working wavelength of the laser.
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: June 16, 2015
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Jing-Lei Zhu, Jun Zhu, Qun-Qing Li, Kai-Li Jiang, Chen Feng, Guo-Fan Jin, Shou-Shan Fan
  • FREEFORM SURFACE REFLECTIVE SCANNING SYSTEM
    Publication number: 20150160453
    Abstract: A freeform surface reflective scanning system includes a light source, an aperture, a first freeform surface mirror, and a second freeform surface mirror. The light source is configured to provide a laser. The first freeform surface mirror is located on an aperture side that is away from the light source. The first freeform surface mirror is configured to reflect the laser to form a first reflected light. The second freeform surface mirror is located on a first reflected light path. The second freeform surface mirror is configured to reflect the first reflected light to form a second reflected light. Both the first freeform surface mirror and the second freeform surface mirror are a fourth XY polynomial surface.
    Type: Application
    Filed: November 12, 2014
    Publication date: June 11, 2015
    Inventors: TONG YANG, JUN ZHU, GUO-FAN JIN, SHOU-SHAN FAN
  • Light emitting diode
    Patent number: 9054285
    Abstract: A light emitting diode includes a first semiconductor layer, an active layer, a second semiconductor layer, and a cermet layer. The active layer is on the first semiconductor layer. The second semiconductor layer is on the active layer. The cermet layer is on the second semiconductor layer. A first electrode covers entire surface of the first semiconductor layer away from the active layer. A second electrode is electrically connected to the second semiconductor layer.
    Type: Grant
    Filed: December 28, 2012
    Date of Patent: June 9, 2015
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Jun Zhu, Hao-Su Zhang, Zhen-Dong Zhu, Qun-Qing Li, Guo-Fan Jin, Shou-Shan Fan
  • ILLUMINATION SYSTEM
    Publication number: 20150131258
    Abstract: An illumination system defined a primary optical axis is provided. The illumination system comprises a light source, a first lens group, an integrator rod, and a second lens group successively located on the primary optical axis. The light source is configured to output a light. The first lens group is configured to reduce an aperture angle of the light to about 27 degrees. The integrator rod is configured to make the light uniformly. The second lens group is configured to amplify an illumination field of the light and reduce the aperture angle of the light to about 3 degrees.
    Type: Application
    Filed: November 12, 2014
    Publication date: May 14, 2015
    Inventors: JUN ZHU, XUAN PAN, GUO-FAN JIN, SHOU-SHAN FAN
  • DESIGN METHOD OF FREEFORM IMAGING SYSTEM
    Publication number: 20150130806
    Abstract: A design method of freeform imaging system is provided. An initial freeform imaging system is provided, the initial freeform image system comprising a first initial surface and a second initial surface spaced from each other. A second surface is constructed by calculating a plurality of second data points of the second surface through a plurality of feature rays based on the given object-image relationship. A first surface is constructed by calculating a plurality of first data points of the first surface based on the given object-image relationship and Fermat's principle, wherein the second surface is fixed. The first surface and the second surface substitute for the first initial surface and second initial surface respectively, and repeating steps list above, wherein the plurality of feature rays are intersecting the image plane at the plurality of ideal image points.
    Type: Application
    Filed: June 26, 2014
    Publication date: May 14, 2015
    Inventors: TONG YANG, JUN ZHU, GUO-FAN JIN, SHOU-SHAN FAN
  • FREEFORM IMAGING LENS AND FREEFORM IMAGING SYSTEM USING THE SAME
    Publication number: 20150116842
    Abstract: A freeform imaging lens defined in a (x, y, z) coordinate is provided. The freeform imaging lens comprises a first surface and a second surface opposite to the first surface. The first surface comprises a first freeform surface and a second freeform surface symmetrical about x-z plane. The first freeform surface and the second freeform surface are 5th order xy-polynomial curve surfaces. The second surface is a 10th order aspheric surface. The present disclosure also relates to a freeform imaging system using the above freeform imaging lens.
    Type: Application
    Filed: October 22, 2014
    Publication date: April 30, 2015
    Inventors: JUN ZHU, TONG YANG, GUO-FAN JIN, SHOU-SHAN FAN
  • DESIGN METHOD OF FREEFORM IMAGING LENS
    Publication number: 20150094993
    Abstract: A design method of freeform imaging lens with a wide linear field-of-view (FOV) is provided. A initial freeform imaging lens is developed, and the initial freeform imaging lens includes a first lens surface and an entrance pupil spaced from each other, wherein the FOV of the system 2? (±?) is divided into 2k+1 sampling fields with equal interval ?? between each two adjacent sampling fields. Each two adjacent sampling fields are taken as one group. Two constraints are employed to calculate the plurality of data points of the first lens surface to obtain a front surface of the freeform imaging lens. The data points are calculated based on Snell's law, and a curve is obtained through the data points. A back surface is added to approximately keep the previous outgoing direction of rays from the front surface.
    Type: Application
    Filed: June 26, 2014
    Publication date: April 2, 2015
    Inventors: JUN ZHU, TONG YANG, GUO-FAN JIN, SHOU-SHAN FAN
  • System for measuring light intensity distribution
    Patent number: 8981319
    Abstract: A system for measuring intensity distribution of light includes a carbon nanotube array located on a surface of a substrate, a reflector and an imaging element. The carbon nanotube array absorbs photons of a light source and radiates a visible light. The reflector is used to reflect the visible light, and the reflector is spaced from the carbon nanotube array. The carbon nanotube array is located between the reflector and the substrate. The imaging element is used to image the visible light. The imaging element is spaced from the substrate.
    Type: Grant
    Filed: December 28, 2012
    Date of Patent: March 17, 2015
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Jun Zhu, Jing-Lei Zhu, Kai-Li Jiang, Chen Feng, Ji-Qing Wei, Guo-Fan Jin, Shou-Shan Fan
  • Off-axial three-mirror system
    Patent number: 8975571
    Abstract: An off-axial three-mirror system includes a primary mirror, a secondary mirror, a tertiary mirror, and an image sensor. The secondary mirror is located on a reflective optical path of the primary mirror. The tertiary mirror is located on a reflective optical path of the secondary mirror. The image sensor is located on a reflecting optical path of the tertiary mirror. The primary mirror and the tertiary mirror are formed as one piece. The surface type of both the primary mirror and the tertiary mirror is a freeform surface. The primary mirror is a convex mirror, and the tertiary mirror is a concave mirror.
    Type: Grant
    Filed: December 12, 2012
    Date of Patent: March 10, 2015
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Wei Hou, Jun Zhu, Guo-Fan Jin, Shou-Shan Fan
  • Method for making light emitting diode
    Patent number: 8921143
    Abstract: A method for making light emitting diode includes following steps. A substrate having an epitaxial growth surface is provided. A first semiconductor layer, an active layer, and a second semiconductor layer are epitaxially grown on the epitaxial growth surface of the substrate in that sequence. A cermet layer is formed on the second semiconductor layer. A first electrode is applied to electrically connected to the first semiconductor layer. A second electrode is applied to electrically connected to the second semiconductor layer.
    Type: Grant
    Filed: December 28, 2012
    Date of Patent: December 30, 2014
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Jun Zhu, Hao-Su Zhang, Zhen-Dong Zhu, Qun-Qing Li, Guo-Fan Jin, Shou-Shan Fan
  • Semiconductor structure
    Patent number: 8901589
    Abstract: A semiconductor structure includes a first semiconductor layer, an active layer, a second semiconductor layer, a first optical symmetric layer, a metallic layer, and a second optical symmetric layer stacked in that sequence. A first effective refractive index n1 of the second optical symmetric layer, a second effective refractive index n2 of an integrated structure satisfy |n1?n2|?0.5, wherein the integrated structure includes the substrate, the first semiconductor layer, the active layer, the second semiconductor layer, and the first optical symmetric layer.
    Type: Grant
    Filed: December 28, 2012
    Date of Patent: December 2, 2014
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Jun Zhu, Hao-Su Zhang, Zhen-Dong Zhu, Qun-Qing Li, Guo-Fan Jin, Shou-Shan Fan
  • METHOD FOR DISPLAYING AN ICON AND TERMINAL DEVICE THEREOF
    Publication number: 20140325447
    Abstract: The present disclosure discloses a method for displaying an icon in a terminal device and the terminal device thereof. The method includes monitoring an implementation of an event which controls a display of the icon; determining animation display parameters according to properties of the icon, if the implementation of the event which controls the display of the icon is detected; and controlling the icon to be displayed in an animated manner in accordance with the animation display parameters. The present disclosure provides more enriched display effects of the icon.
    Type: Application
    Filed: January 13, 2014
    Publication date: October 30, 2014
    Applicant: Xiaomi Inc.
    Inventors: Fan Jin, Daqing Sun, Ying Wang
  • METHOD FOR UNLOCKING A MOBILE DEVICE
    Publication number: 20140325195
    Abstract: The present disclosure is drawn to a method for unlocking a mobile device. The method comprises the steps of adopting a configuration file to define an operational input for unlocking the mobile device, adopting the configuration file to define at least one animation and/or effect, adopting the configuration file to establish a relationship between the operational input and the at least one animation and/or effect, and triggering the animation and/or effect when unlocking the mobile device. The technical scheme of the present disclosure combines the operational input for unlocking the mobile device with the animation and/or effect, helping to improve the user experience of unlocking a mobile device.
    Type: Application
    Filed: March 19, 2012
    Publication date: October 30, 2014
    Applicant: Xiaomi Inc.
    Inventors: Ruijun Xu, Fei Xu, Fan Jin, Feng Liang, Tian Ren, Weixing Li, Guangdou Sun, Zhifan Qin, Wanqiang Li, Jiangji Huang
  • Method for making light emitting diode
    Patent number: 8859308
    Abstract: A method for making a light emitting diode is provided. In the method, a substrate having an epitaxial growth surface is provided. A first semiconductor layer, an active layer, and a second semiconductor layer are grown on the epitaxial growth surface in series. The first semiconductor layer, the active layer, and the second semiconductor layer constitute a source layer. A metallic plasma generating layer is then formed on a surface of the source layer away from the substrate. A first optical symmetric layer is then disposed on a surface of the metallic plasma generating layer. A first electrode is applied on an exposed surface of the first semiconductor layer. A second electrode is applied to electrically connect with the second semiconductor layer.
    Type: Grant
    Filed: December 28, 2012
    Date of Patent: October 14, 2014
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Jun Zhu, Hao-Su Zhang, Qun-Qing Li, Guo-Fan Jin, Shou-Shan Fan
  • LASER
    Publication number: 20140294033
    Abstract: A laser includes a total reflective mirror, an output mirror, a discharge lamp, and an active laser medium. The total reflective mirror, the output mirror, and the discharge lamp define a resonant cavity. The active laser medium is filled in the resonant cavity. The total reflective mirror includes a body, a metal film, and at least one microstructure. Each of the at least one microstructure is a step structure. The step structure includes a plurality of cylinders stacked with each other with respect to their diameters. Both the height and the diameter of the cylinders are in a range from about 0.5? to about 2?, while ? is a working wavelength of the laser.
    Type: Application
    Filed: December 20, 2013
    Publication date: October 2, 2014
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., TSINGHUA UNIVERSITY
    Inventors: JING-LEI ZHU, JUN ZHU, QUN-QING LI, KAI-LI JIANG, CHEN FENG, GUO-FAN JIN, SHOU-SHAN FAN
  • LASER
    Publication number: 20140294034
    Abstract: A laser includes a total reflective mirror, an output mirror, a discharge lamp, and an active laser medium. The total reflective mirror, the output mirror, and the discharge lamp define a resonant cavity. The active laser medium is filled in the resonant cavity. The total reflective mirror includes a microstructure. The microstructure is concave ring-shaped structure. The concave ring-shaped structure has a depth and a width, and both the depth and the width are in a range from about 0.5? to about 2?, while ? is a working wavelength of the laser.
    Type: Application
    Filed: December 20, 2013
    Publication date: October 2, 2014
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., Tsinghua University
    Inventors: JING-LEI ZHU, JUN ZHU, QUN-QING LI, KAI-LI JIANG, CHEN FENG, GUO-FAN JIN, SHOU-SHAN FAN
  • Semiconductor structure
    Patent number: 8847260
    Abstract: A semiconductor structure includes a first semiconductor layer, an active layer, a second semiconductor layer, a metallic plasma generating layer, and a first optical symmetric layer stacked in series. The first semiconductor layer, the active layer, and the second semiconductor layer constitute a source layer. A refractive index difference between the source layer and the first optical symmetric layer is less than or equal to 0.3.
    Type: Grant
    Filed: December 28, 2012
    Date of Patent: September 30, 2014
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Jun Zhu, Hao-Su Zhang, Qun-Qing Li, Guo-Fan Jin, Shou-Shan Fan
  • Method for making light emitting diode
    Patent number: 8841148
    Abstract: A method for making light emitting diode includes following steps. A substrate having an epitaxial growth surface is provided. A first semiconductor layer, an active layer, and a second semiconductor layer is epitaxially grown on the epitaxial growth surface of the substrate in that sequence. A first optical symmetric layer is formed on the second semiconductor layer. A metallic layer is applied on the first optical symmetric layer. A second optical symmetric layer is formed on the metallic layer. The substrate is removed. A first electrode is configured to cover entire exposed surface of the first semiconductor layer. A second electrode is electrically connected to the second semiconductor layer.
    Type: Grant
    Filed: December 28, 2012
    Date of Patent: September 23, 2014
    Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.
    Inventors: Jun Zhu, Hao-Su Zhang, Zhen-Dong Zhu, Qun-Qing Li, Guo-Fan Jin, Shou-Shan Fan