Dallas, TX, United States
Dallas, TX, United States
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The present invention provides a method of unit level liquid crystal display device assembly process for liquid crystal on silicon. It starts with sawing silicon wafer and ITO glass substrate. Then good silicon dies and ITO glass dies will be picked and transferred to separate carriers. Alignment layers will respectively be coated on each silicon die and ITO glass die after cleaning. Then there are two options for the following steps. In method one, silicon die and ITO glass die lamination comes after coating frame adhesive. Then frame adhesive is cured. The liquid crystal will fill the cell and then seal the fill port. Die mounting, wire bonding and encapsulation will come along with external ITO connection to call it an end. In method two, frame adhesive precedes internal connection and LC one drop fill. Then silicon die and ITO glass die are laminated before frame adhesive cure. Afterwards die mount, wire bonding and encapsulation come last.


Patent
Syndiant | Date: 2015-11-30

A see-through near-to-eye viewing optical system, which can be used in a head-mounted augmented reality display system, is provided. The see-through near-to-eye viewing optical system of the present invention comprises an LED illumination system for generating a light and a pre-polarizer for concentrating said light onto a PBS. Then an LCOS panel receives and reflects said light towards a post-polarizer after generating an image. The light travels from the post-polarizer and passes through an eyepiece for magnifying the image, and continues towards a 50/50 beam splitter. Afterwards the beam splitter transmits said light and another light from the outside field of view to users eyes simultaneously and thus, the user can see what is shown on the glass screen while still being able to see through it.


A light modulating Backplane with multi-layer pixel electrodes is disclosed. The light modulating backplane includes a multiple pixel control circuits and multiple pixel electrodes. The pixel electrodes include a first pixel electrode layer coupled to a corresponding pixel control circuit and a second pixel electrode layer. A passivation layer covers the pixel electrodes. The first pixel electrode layer is formed using a first metal such as copper and the second pixel electrode layer is formed using a second metal such as aluminum.


Patent
Syndiant | Date: 2015-05-19

A head up display system comprises an optical projector, a projection screen, a combiner, a driver system board, an event data recorder, a front image sensor and a rear image sensor. The optical projector is a front projector or a rear projector for projecting the image onto the projection screen. Then the combiner projects a virtual image from the image of the projection screen within two to three meters behind the combiner and thus, drivers are able to observe the environment outside the car and to read the information provided by the head up display system simultaneously. The driver system board can connect to a drivers smart phone through wire (such as HDMI/MHL) or wireless (such as WiFi) and thus, an image from real-time contents of the smart phone or an image from other functions of the smart phone can be transmitted to the driver system board and projected by the optical projector for drivers watch or use. The event data recorder and the front image sensor can record the driving information and traffic information and save them into a built-in memory or a Secure Digital Memory Card. The front image sensor can record the brightness outside a car so that a luminous flux of the optical projector can be adjusted automatically through the driver system board and thus, drivers are able to watch the images clearly on the head up display system under any circumstances. Meanwhile the event data recorder and the rear image sensor can record driving information and inside information and save them into a built-in memory or a Secure Digital Memory Card. The rear image sensor supports finger movement sensing technology to input instructions without finger contact or touch, and the inputted instructions will be transmitted to the drivers smart phone after being processed by the driver system board so as to operate the smart phone.


A light modulating Backplane with configurable multi-electrode pixels is disclosed. The configurable multi-electrode pixel includes a first set of dot electrodes in a first field and a second set of dot electrodes in a second field. Generally, dot electrode is included in both the first set of dot electrodes and the second set of dot electrodes. For example, a pixel control circuit coupled to a dedicated dot electrode. A first dot electrode is coupled to the pixel control circuit by a first dot electrode connection circuit and a second dot electrode is coupled to the pixel control circuit by a second dot electrode connection circuit. During the first field the first dot electrode connection circuit is active while the second dot electrode connection circuit is inactive. During the second field, the first dot electrode connection circuit is inactive while the second dot electrode connection circuit is active.


Patent
Syndiant | Date: 2012-04-27

The present invention provides a digital backplane and various methods, systems and devices for controlling a digital backplane and light modulating elements. In some embodiments of the present invention, a recursive feedback method is used to control a digital backplane and/or light modulating elements and/or spatial light modulators.


Patent
Syndiant | Date: 2013-11-06

Described is a device comprising a retro-reflective marker sphere comprising: a core ball comprising: a generally spherical body portion, a mounting base extending from one end of the body portion of the core ball, and a mounting recess having a recess opening in the mounting base and extending into the body portion of the core ball, and a retro-reflective covering on the core ball, the retro-reflective covering comprising an opening through which the mounting base of the core ball extends, wherein a flat lower surface of the mounting base is spaced proximally from a lower edge of the opening of the retro-reflective covering, and wherein the mounting recess includes an interior screw thread for engaging an exterior screw thread of a mounting post when the retro-reflective marker sphere is mounted on the mounting post.


Patent
Syndiant | Date: 2013-08-28

Described is a device comprising: an array of light modulating elements; and one or more processing elements for controlling each of the light modulating elements, wherein the light modulating elements are arranged in a two-dimensional array, and wherein the one or more processing elements are adapted to skip some bit locations and use other bit locations of bit values when performing multiple bit logical and/or arithmetic operations.


Patent
Syndiant | Date: 2015-03-17

A head-mounted augmented reality display system, comprise: an immersive or see-through type near-to-eye viewing optics; a CMOS image sensor; a sound receiver; an earphone; a driver system board; and a frame. The image sensor and the sound receiver capture the image and record the sound from the outside world to the driver system. By the image and audio processing of the driver system, the generated image outputs to the immersive or see-through type near-to-eye viewing optics, and the generated audio outputs to the ear phone.


Patent
Syndiant | Date: 2013-10-31

Described is a device comprising a spatial light modulator comprising a plurality of comparators for computing a respective drive for each pixel of a plurality of pixels.

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