Jun Kai Jiang

US Patent:

8094428, Jan 10, 2012

Filed:

Oct 27, 2008

Appl. No.:

12/259216

Inventors:

Yi Xiang Wang - Fremont CA, US
Juying Dou - San Jose CA, US
Kenichi Kanai - Palo Alto CA, US
Jun Jiang - Fremont CA, US
Zheng Fan - Beijing, CN
Qingyu Meng - Beijing, CN
Jay Chen - Fremont CA, US

Assignee:

Hermes-Microvision, Inc. - Hsinchu

International Classification:

H01L 21/683

US Classification:

361234

Abstract:

An apparatus for increasing electric conductivity to a wafer substrate, when exposed to electron beam irradiation, is disclosed. More specifically, a methodology to breakdown the insulating layer on wafer backside is provided to significantly reduce the damage on the wafer backside while proceeding with the grounding process.

US Patent:

20220326150, Oct 13, 2022

Filed:

Mar 30, 2022

Appl. No.:

17/709222

Inventors:

- Livermore CA, US
Jun Jiang - Fremont CA, US

International Classification:

G01N 21/39
G01J 3/42

Abstract:

In one aspect, a method of detecting a trace gas is disclosed. The method includes containing the trace gas in an optical cavity. The method further includes injecting a first laser light from a first laser into the optical cavity causing the trace gas to transition from an energy state lower that a first excited energy state to the first excited energy state, and injecting a second laser light from a second laser into the optical cavity causing the trace gas to transition from the first excited energy state to a second excited energy state. The method includes measuring, by a detector, a first cavity ringdown intensity as a function of time after turning off the second laser with the first laser on, and a second cavity ringdown intensity as a function of time after turning off the second laser with the first laser off.

US Patent:

20200074910, Mar 5, 2020

Filed:

Nov 7, 2019

Appl. No.:

16/677522

Inventors:

- Cupertino CA, US
Deniz Teoman - San Mateo CA, US
Jiaying Wu - San Jose CA, US
John Z. Zhong - Saratoga CA, US
Jun Jiang - Campbell CA, US

International Classification:

G09G 3/20
G09G 3/34

Abstract:

An electronic device may include a display having an array of display pixels and having display control circuitry that controls the operation of the display. The display control circuitry may adaptively adjust the spectral characteristics of display light emitted from the display to achieve a desired effect on the human circadian system. For example, the display control circuitry may adjust the spectral characteristics of blue light emitted from the display based on the time of day such that a user's exposure to the display light may result in a circadian response similar to that which would be experienced in natural light. The spectral characteristics of blue light emitted from the display may be adjusted by adjusting the relative maximum power levels provided to blue pixels in the display or by shifting the peak wavelength associated with blue light emitted from the display.

US Patent:

20170034108, Feb 2, 2017

Filed:

Jul 30, 2015

Appl. No.:

14/814382

Inventors:

- Menlo Park CA, US
Jun Jiang - Menlo Park CA, US
Yang Qin - Menlo Park CA, US
Zhong Zhang - Fremont CA, US

International Classification:

H04L 12/58
H04L 29/08

Abstract:

In one embodiment, a method includes, by a computing device, identifying an event in an online social network to be evaluated for recommendation to a user of the online social network and determining whether the event is recommendable to the user, the determination being based on identifying correlations between one or more characteristics of the user and a plurality of signals associated with the event. The method further includes, in response to determining that the event is recommendable, presenting a recommendation or promotion for the event to the user, and, in response to determining that the event is not recommendable, converting the event in accordance with the determining that the event is not recommendable. The signals may include content associated with the event, metadata associated with the event, or responses to a notification about the event by users of the online social network.

US Patent:

20160321975, Nov 3, 2016

Filed:

Sep 23, 2015

Appl. No.:

14/863142

Inventors:

- Cupertino CA, US
Young Cheol Yang - Sunnyvale CA, US
Jun Jiang - Campbell CA, US
Hao-Lin Chiu - Campbell CA, US
Cheng Chen - San Jose CA, US

International Classification:

G09G 3/20
G09G 3/36

Abstract:

A display may have a first stage such as a color liquid crystal display stage and a second stage such as a monochromatic liquid crystal display stage that are coupled in tandem so that light from a backlight passes through both stages. The pixel pitch of the second stage may be greater than the pixel pitch of the first stage to ease alignment tolerances and reduce image processing complexity. The first stage may be provided with straight black masking strips, whereas the second stage may be provided with angled zigzagging black masking strips. The angle of the zigzagging black masking strips and the ratio of the pixel pitch of the second stage to that of the first stage may be selected to maximize optical transmittance while minimizing Moire effects.

US Patent:

20160259215, Sep 8, 2016

Filed:

Sep 10, 2015

Appl. No.:

14/850015

Inventors:

- Cupertino CA, US
Zhibing Ge - Sunnyvale CA, US
Adria Fores Herranz - San Jose CA, US
Chia Hsuan Tai - Sunnyvale CA, US
Hossein Nemati - Santa Clara CA, US
Jun Jiang - Campbell CA, US
Cheng Chen - San Jose CA, US

International Classification:

G02F 1/1343
G02F 1/1368
G02F 1/1335

Abstract:

A layer of liquid crystal material may be interposed between display layers. The display layers may include thin-film transistor circuitry having subpixel electrodes for applying electric fields to subpixel portions of the layer of liquid crystal material. Subpixels of different colors may have different shapes and may have different liquid crystal layer thicknesses. These subpixel differences may be configured to slow the switching speed of subpixels of a certain color relative to other subpixels to reduce color motion blur when an object is moved across a black or colored background. The subpixels may have chevron shapes. Subpixels of a first color may have chevron shapes that are less bent than subpixels of second and third colors. In configurations with varying liquid crystal layer thicknesses, the subpixels of the first color may have thicker liquid crystal layers than the subpixels of the second and third colors.

US Patent:

20160259218, Sep 8, 2016

Filed:

Nov 20, 2015

Appl. No.:

14/947356

Inventors:

- Cupertino CA, US
Zhibing Ge - Sunnyvale CA, US
Adria Fores Herranz - San Jose CA, US
Chia Hsuan Tai - Sunnyvale CA, US
Hossein Nemati - Santa Clara CA, US
Jun Jiang - Campbell CA, US
Cheng Chen - San Jose CA, US

International Classification:

G02F 1/1343
G02F 1/1335
G02F 1/1368

Abstract:

A layer of liquid crystal material may be interposed between display layers. The display layers may include thin-film transistor circuitry having subpixel electrodes for applying electric fields to subpixel portions of the layer of liquid crystal material. Subpixels of different colors may have different shapes and may have different liquid crystal layer thicknesses. These subpixel differences may be configured to slow the switching speed of subpixels of a certain color relative to other subpixels to reduce color motion blur when an object is moved across a black or colored background. The subpixels may have chevron shapes. Subpixels of a first color may have chevron shapes that are less bent than subpixels of second and third colors. In configurations with varying liquid crystal layer thicknesses, the subpixels of the first color may have thicker liquid crystal layers than the subpixels of the second and third colors.

US Patent:

20160093239, Mar 31, 2016

Filed:

Sep 29, 2014

Appl. No.:

14/500646

Inventors:

- Cupertino CA, US
Louis Luh - Sunnyvale CA, US
Jun Qi - Cupertino CA, US
Cheng Chen - Cupertino CA, US
Jun Jiang - Cupertino CA, US
Paolo Sacchetto - Cupertino CA, US
Marc Albrecht - San Francisco CA, US

International Classification:

G09G 3/20
G06F 1/32

Abstract:

Systems and methods for operating a display by dynamically determining a refresh rate for the display. In certain implementations, a processor determines a number of pixels having medium grayscale levels from a histogram for the image. If the number does not exceed a threshold, the processor sets a refresh rate for the display to a first refresh rate. In certain implementations, if the number exceeds a threshold, the processor may set the refresh rate for the display to a second refresh rate. Moreover, the first refresh rate may be lower than the second threshold. In some implementations, the image may be analyzed by subdividing the image into blocks and determining a refresh rate based on grayscale levels or distributions in the blocks. Based on the analysis of the blocks, a corresponding refresh rate may be selected.