G02B2027/0132

MULTI-PHOTODIODE PIXEL CELL

Methods and systems for image sensing are provided. In one example, an apparatus comprises a semiconductor substrate comprising a light incident surface to receive light, a first pinned photodiode, and a second pinned photodiode, the first pinned photodiode and the second pinned photodiode forming a stack structure in the semiconductor substrate along an axis perpendicular to the light incident surface, the stack structure enabling the first pinned photodiode and the second pinned photodiode to, respectively, convert a first component of the light and a second component of the light to first charge and second charge. The apparatus further comprises one or more capacitors formed in the semiconductor substrate and configured to generate a first voltage and a second voltage based on, respectively, the first charge and the second charge.

OPTICAL LINK SYSTEM FOR HEAD MOUNTED DISPLAY AND METHOD OF CONTROLLING THE SAME
20230127083 · 2023-04-27 ·

An optical link system includes a field programmable gate array (FPGA), and the FPGA includes an inter-pupillary distance (IPD) application unit and a barrel distortion execution unit.

Augmented reality display device
11474357 · 2022-10-18 · ·

An augmented reality display device includes a micro-display; a relay lens array configured to be disposed at the rear stage of the micro-display and having a combination of two or more spherical or aspherical lenses; a combiner configured to be disposed at the rear stage of the relay lens array to project laterally an image light emitted from the relay lens array to a substrate to be described later and implement an ultra-short throw image using together with the relay lens array; a transparent or translucent substrate configured to form an image by projecting the image light transmitted from the combiner on the substrate; and a coating or film configured to be attached to one surface of a component part of the relay lens array, the combiner or the substrate so as to reflect, penetrate or refract the image light transmitted from the micro display.

HEAD-MOUNTED DISPLAY DEVICE
20230064819 · 2023-03-02 ·

Is addressed. A video transmissive head-mounted display device capable of avoiding danger to a user when worn by the user has an external world image acquired by a first image inputting unit, and the external world image is displayed on a display unit. The head-mounted display device has a second image inputting unit that acquires a binocular image of a wearer. The head-mounted display device is configured so that a control unit determines, from the binocular image of the wearer acquired by the second image inputting unit, that the wearer is awake when both eyes are closed for no longer than a predetermined period of time and that the wearer is asleep when both eyes are closed for a predetermined period of time or longer, and the display unit displays the external world image acquired by the first image inputting unit when the wearer wakes from sleep.

OPTICAL SEE THROUGH (OST) NEAR EYE DISPLAY (NED) SYSTEM INTEGRATING OPHTHALMIC CORRECTION
20230118315 · 2023-04-20 · ·

An optical see-through (OST) near-eye display (NED) system is presented, integrating ophthalmic correction for an eye of a user, comprising a partially transmissive partially reflective lens, including an inner surface characterized by an inner surface radius of curvature exhibiting a first optical power, and an outer surface characterized by an outer surface radius of curvature exhibiting a second optical power, said partially transmissive partially reflective lens is configured to be facing said eye, and to at least partially transmit incoming light of an outward scene to said eye; and an electro-optical unit, configured to be optically coupled with said partially transmissive partially reflective lens, and including a light display configured to project a light beam image onto said inner surface, so to enable reflection of said light beam image toward said eye, said electro-optical unit is configured to be located at a glabellar region of said user.

Enhanced optical and perceptual digital eyewear
11630311 · 2023-04-18 · ·

Improved wearable optics is disclosed. The wearable optics comprises a frame member and a lens. The wearable optics also includes circuitry within the frame member for enhancing the use of the wearable optics. A system and method in accordance with the present invention is directed to a variety of ways to enhance the use of eye-glasses. They are: (1) media focals, that is, utilizing the wearable optics for its intended purpose and enhancing that use by using imaging techniques to improve the vision of the user; (2) telecommunications enhancements that allow the eyeglasses to be integrated with telecommunication devices such as cell phones or the like; and (3) entertainment enhancements that allow the wearable optics to be integrated with devices such as MP3 players, radios, or the like.

SYSTEMS AND METHODS FOR MEDICAL PATIENT DISTRACTION
20230064955 · 2023-03-02 ·

Systems and methods for medical patient distraction may permit watching an immersive video headset during a dental or medical procedure that is compatible with nitrous oxide. Having the ability to watch a show on an immersive video headset while using nitrous oxide may allow for further distraction of the patient from the discomfort of dental or medical procedures. The parts and pieces of the immersive video headset that touch the patient may be detachable so they can be changed between patients for easy sterilization and cleanliness. Also, the immersive video headset may be capable of mirroring what is on a phone or nearby computer. The design of the headset may be specifically compatible with being able to use a nitrous hood during dental or medical procedures.

Display apparatus with non-overlap image region

A display apparatus of the present disclosure includes: a left eyepiece display unit including a left-eye image display device and a left eyepiece optical system guiding a displayed left-eye display image to a left eye; and a right eyepiece display unit including a right-eye image display device and a right eyepiece optical system guiding a displayed right-eye display image to a right eye, and an image magnification upon observation by both eyes is twice or more. The left eyepiece optical system and the right eyepiece optical system each include a plurality of single lenses, and at least one of the single lenses is a free-form surface lens including a resin material. At least one of the single lenses is arranged in at least one of an eccentric state or a rotated state with respect to an optical axis of the left-eye image display device or the right-eye image display device.

HEAD MOUNTED DISPLAY

A head mounted display including two display units is provided. An included angle between the two display units is greater than 0 degrees and less than 180 degrees. Each of the two display units includes a display device, a condenser lens and a prism. The condenser lens overlaps the display device. The prism overlaps the condenser lens and the display device. A material of one of the condenser lens and the prism includes flint glass, and a material of the other of the condenser lens and the prism includes crown glass.

BLUE LIGHT REDUCTION

According to various, but not necessarily all, embodiments there is provided an apparatus comprising means for binocularly displaying visual content as a first image directed towards a first eye of a user and as a second image directed towards a second eye of the user. The first image comprises a first area in which a blue spectral component of the visual content is reduced as compared to a corresponding first area of the second image. The second image comprises a second, different area in which a blue spectral component of the visual content is reduced as compared to a corresponding second area of the first image.