279results about How to "Reduce eye fatigue" patented technology

A mobile terminal and a menu display method thereof, comprising: one or more bodies; an input unit provided at one of the bodies; and a display unit that displays a menu list having a plurality of menus and rotates the menu list by a signal generated by the input unit, in which a menu selection for using a function stored in the mobile terminal and its use can be facilitated.

The present invention teaches a method of constructing head-mounted virtual display apparatuses for mobile activities based on a non-cross-cavity optical configuration, which simultaneously provides the user with "look toward" access to an inset virtual image and an unobstructed forward field of view of at least 35 degrees. In one embodiment, a pair of light deflecting elements and associated adjustment means project a light path from the normal peripheral field of view towards the eye without geometric distortion of the virtual image associated image plane tilt.

A toric multifocal lens including a plurality of vision correction regions having centers on a common optical center axis, the plurality of vision correction regions providing respective different values of a spherical optical power, each of the plurality of vision correction regions having an optical power for correction of astigmatism, wherein the improvement comprises: at least one of a cylindrical optical power and a cylindrical axis orientation which determine the optical power for correction of astigmatism being different in at least two different vision correction regions of the plurality of vision correction regions, so that the at least two different vision correction regions have respective different values of the optical power for correction of astigmatism.

Methods and systems to process stereo images and video information, and, in particular, to methods and devices to transfer and / or transform stereo content to decrease eye fatigue of a user during viewing of 3D video. The methods and systems can compute an initial map of disparity / depth for stereo images from 3D video, smooth a depth map, change depth perception parameters according to the estimation of eye fatigue, and generate new stereo image according to the depth perception parameters.

A large depth of focus (DOF) display provides an image in which the apparent focus plane is adjusted to track an accommodation (focus) of a viewer's eye(s) to more effectively convey depth in the image. A device is employed to repeatedly determine accommodation as a viewer's gaze within the image changes. In response, an image that includes an apparent focus plane corresponding to the level of accommodation of the viewer is provided on the large DOF display. Objects that are not at the apparent focus plane are made to appear blurred. The images can be rendered in real-time, or can be pre-rendered and stored in an array. The dimensions of the array can each correspond to a different variable. The images can alternatively be provided by a computer controlled, adjustable focus video camera in real-time.

A method, apparatus, and computer program product are provided to facilitate performing focus correction of displayed information. In the context of a method, a focus distance of a user is determined. The method may also determine determining at least one focal point setting for one or more dynamic focus optical components of a display based on the focus distance. The method may also cause a configuring of the one or more dynamic focus optical components based on the at least one focal point setting to present a representation of data on the display.

The present invention is a head-mounted virtual display apparatus based on a cross-cavity optical configuration, in which a near-eye light deflecting element (LDE) is located in the peripheral field of view. Positioning of the near-eye LDE in the peripheral field of view provides the user simultaneously with "look toward" access to an inset magnified image of a miniature display and an unobstructed forward field of view of at least 35 degrees. Active and passive alignment means, including articulating connections and image warping electronics, allow correction of geometric distortion arising from folding of the optical train and / or embodiments based on off-axis optical configurations.

Provided is a 3-dimensional (3D) display apparatus including a light source, a beam scanner, and a beam deflector array. The beam scanner scans light emitted by the light source, and the beam deflector array includes a plurality of beam deflectors arranged in an array to reproduce a light field by changing a direction of light rays scanned by the beam scanner.

A method, apparatus, and computer program product are provided to facilitate determining representations of displayed information based on focus distance. In the context of a method, a focus distance of a user is determined. The method may also determine a representation of the data based on the focus distance. The method may also cause a presentation of the representation on a display.

The present invention is a head-mounted virtual display apparatus based on a non-cross-cavity optical configuration, in which a near-eye light deflecting element (LDE) is located in the peripheral field of view. Positioning of the near-eye LDE in the peripheral field of view provides the user with simultaneous access to an inset magnified image of a miniature display and an unobstructed forward field of view of at least 35 degrees. Active and passive alignment means, including articulating connections and image warping electronics, allows for correction of geometric distortion arising from folding of the optical train, and orthogonal alignment of the virtual image plane with the optical axis between the user's eye and the virtual image plane.

An image stabilizing apparatus and method for a display device having a display screen, include a sensor for sensing a movement of the display device, and a movement compensation circuit, operatively coupled to the sensor, for compensating for the movement of the display device such that an image on the display screen of the display device remains substantially stationary in relation to an observer's gaze.

An improved apparatus is disclosed for providing a stereoscopic image for viewing by a viewer, with improved resolution. The apparatus includes a generally planar display comprising a two-dimensional array of uniformly spaced pixels, and it further includes a generally planar parallax barrier having an area substantially coextensive with the display and spaced a prescribed uniform distance from the display. The pixel array includes a first set of sub-pixels controllable to project light in a first spectral color, a second set of sub-pixels controllable to project light in a second spectral color, and a third set of sub-pixels controllable to project light in a third spectral color, and the parallax barrier includes a repeating pattern of vertically oriented regions configured to transmit light to the viewer's first eye along light paths defined from only the first set of sub-pixels and to transmit light to the viewer's second eye along light paths defined from only the second and third sets of sub-pixels.

A television receiver according to at least one embodiment of the present invention includes a display section capable of displaying a TV image and a harmonious image being in harmony with a wall surface against which the image display device is provided.

Disclosed is a system for a 3-dimensional display that includes at least one eyepiece having first and second eyepiece sockets, having a first display contained in said first eyepiece socket associated with a first eye, two eye cameras mounted such that a first eye camera tracks eye reference points of said first eye and a second eye camera tracks reference points of a second eye, a processor for providing overall control of said at least one eyepiece; a second display; and a main processor; signals are transmitted between said main processor and said at least one eyepiece, wherein said two eye cameras track said reference points, said eyepiece transceiver transmits said reference points to said main processor via said main transceiver, said main processor generates image data based on said reference points and transmits said image data to said displays to produce a 3-dimensional image.

A display device (10; 200; 300; 400) including a display (20) for presenting images is described. The display (20) includes an illumination unit (25) for generating first radiation for illuminating a pixel liquid crystal display unit (20), the display unit (20) selectively transmitting the first radiation to generate second radiation for providing the images to the viewer (100). The illumination unit (25) also generates subsidiary radiation. The device further comprises filtering components ((40a, 40b; 210a, 210b; 310a, 310b, 410a, 410b) for filtering the subsidiary radiation to generate aura radiation (70) to supplement the images presented on the display (20). The display device (10; 200; 300; 400) is capable of providing the viewer (100) with reduced eye fatigue and an enhanced viewing experience.

The present invention is a head-mounted virtual display apparatus based on a non-cross-cavity optical configuration, in which a near-eye light deflecting element (LDE) is located in the peripheral field of view. Positioning of the near-eye LDE in the peripheral field of view provides the user with simultaneous access to an inset magnified image of a miniature display and an unobstructed forward field of view of at least 35 degrees. Active and passive alignment means, including articulating connections and image warping electronics, allows for correction of geometric distortion arising from folding of the optical train, and orthogonal alignment of the virtual image plane with the optical axis between the user's eye and the virtual image plane.

Cooling and heating eyeglasses have peltier chips mounted around at least a portion of the perimeter of the lenses that provides a cooling affect that reduces eyestrain and provides cooling relief to the user. A battery pack provides the electrical energy needed to energize the peltier chips. The battery pack is connected to a neck strap that allows the user to comfortably support the batteries. In another embodiment, a plurality of smaller batteries are used and disposed within the frame eliminating the need for an external battery pack. In another embodiment, side shields are also provide with peltier chips to further control the temperature especially around the user's eyes. Because the peltier can also provide heating, a user can also select heating if preferred. The cooling and heating glasses can be used for prevention and treatment of several eye diseases and oculopathies.

A three-dimensional (3D) image processing apparatus and method are provided for use with a 3D, image divided into a left-eye image and a right-eye image. The apparatus includes a disparity estimation unit estimating disparities between the left-eye image and the right-eye image; a horizontal movement determination unit determining a horizontal movement value for the left-eye image and the right-eye image using the estimated disparities; and a horizontal movement unit horizontally moving the left-eye image and the right-eye image based on the determined horizontal movement value. In the method and apparatus, a receiving end which receives and displays a 3D image can enhance 3D effects and reduce eye fatigue by adjusting the disparity of the 3D image.

Triple Screen Arcade is a video circuitry design that provides a low cost method for creating three video outputs that span a single large video bitmap area. The method uses low cost video controller chips intended for dual screen applications of Laptop PCs (personal computers) combined with an FPGA (field programmable gate array) and other electronic parts. Further a video driver methodology is used to make the process work well in common operating systems. The video product is used for three screen video arcade games, three screen flight simulators and three screen business applications. Three screen spanning using the single large memory map is possible with off-the-shelf high speed gaming and graphics computer programs. All three display data flows are vertically phased locked to reduce eye fatigue and to make frame to frame timing the same for all three displays, thus improving animations that span all three displays.

To provide a novel display device without deterioration of display quality, the display device includes a display panel including a pixel portion that displays still images at a frame frequency of 30 Hz or less, a temperature sensing unit that senses the temperature of the display panel, a memory device that stores a correction table containing correction data, and a control circuit to which correction data selected from the correction table is input in accordance with an output of the temperature sensing unit. The pixel portion includes a plurality of pixels. Each of the pixels includes a transistor, a display element, and a capacitor. The control circuit outputs a voltage based on the correction data input to the control circuit, to the capacitor included in each of the pixels.

Disclosed is a system for a 3-dimensional display that includes at least one eyepiece having first and second eyepiece sockets, having a first display contained in said first eyepiece socket associated with a first eye, two eye cameras mounted such that a first eye camera tracks eye reference points of said first eye and a second eye camera tracks reference points of a second eye, a processor for providing overall control of said at least one eyepiece; a second display; and a main processor; signals are transmitted between said main processor and said at least one eyepiece, wherein said two eye cameras track said reference points, said eyepiece transceiver transmits said reference points to said main processor via said main transceiver, said main processor generates image data based on said reference points and transmits said image data to said displays to produce a 3-dimensional image.

A method and device for displaying electronic text on a screen is disclosed, comprising presenting text as a single word display of a particular duration plus a non-text gap, and continuing this single word duration plus gap presentation until all desired text has been sequentially displayed; wherein the speed of the text display is created by repetition of the duration plus gap, and wherein varying the gap relative to the duration creates a different flow of text presentation. The speed of the display is controllable by the reader using a control pad. This method and device permits text to be easily read on a limited viewing area.

A moveable platform for a laptop computer has an angled support base to angle the laptop keyboard and elevate the laptop display monitor. The angled support base forms an airgap between the moveable platform and the desktop to dissipate the heat from the laptop computer. A separate cooling fan system integral with the support base can also dissipate the laptop computer heat. Spherical roller assemblies on the bottom of the platform move the laptop computer around the desktop. The spherical roller assemblies have a Teflon™ spherical ball surrounded by a plurality of Delrin™ spherical ball bearings in a Nylon™ semi-spherical cavity. These non-metallic materials provide smooth quiet operation with minimal frictional resistance and are non-abrasive to the desktop surface. A braking mechanism at the front of the moveable platform lifts the front spherical roller assemblies from contact with the desktop to lock the moveable platform and laptop computer into position on the desktop.

A semiconductor device having an eye-friendly display function is provided. When a display portion displays text, a difference between a gray level of the text and a gray level of a background of the text is reduced depending on a scrolling speed of a screen of the display portion. In other words, during fast scrolling, text visibility is lowered by bringing the gray level of the text closer to the gray level of the background. This can prevent a user from following the text with eyes at the time of fast scrolling, thereby eliminating unnecessary movement of eye muscles and reducing stimuli to the optic nerve. In this manner, eye strain can be reduced.

A portable device embodying both sliding and rotating types is described. The portable device including: a main unit; a display unit sliding and horizontally rotating on a top surface of the main unit, and having a display on its top surface; and a keypad unit sliding in an opposite direction from the display unit and horizontally rotating on a bottom surface of the main unit and having an additional keypad which is provided on its top surface and externally exposed after rotating. Also, the portable device may be transformed into various operating modes by sliding and / or rotating of the display unit and the keypad unit, which are suitable for phone calling, game play and multimedia replay.

To reduce defects in an oxide semiconductor film in a semiconductor device. To improve electrical characteristics of and reliability in the semiconductor device including an oxide semiconductor film. A method for manufacturing a semiconductor device includes the steps of forming a gate electrode and a gate insulating film over a substrate, forming an oxide semiconductor film over the gate insulating film, forming a pair of electrodes over the oxide semiconductor film, forming a first oxide insulating film over the oxide semiconductor film and the pair of electrodes by a plasma CVD method in which a film formation temperature is 280° C. or higher and 400° C. or lower, forming a second oxide insulating film over the first oxide insulating film, and performing heat treatment at a temperature of 150° C. to 400° C. inclusive, preferably 300° C. to 400° C. inclusive, further preferably 320° C. to 370° C. inclusive.

To provide a novel display device where display quality does not deteriorate. The display device includes a display portion configured to display a still image at a frame frequency of 30 Hz or lower. The display portion includes a driver circuit, a plurality of wirings, and a pixel portion. The pixel portion comprises a plurality of pixels. Each of the plurality of pixels comprises a transistor, a display element, and a capacitor. A channel is formed in an oxide semiconductor layer included in the transistor. A gate of the transistor is electrically connected to one of the plurality of wirings. The driver circuit performs scanning where the plurality of wirings in one of odd-numbered rows and even-numbered rows are sequentially selected and scanning where the plurality of wirings in the other of the odd-numbered rows and the even-numbered rows are sequentially selected.

A polarized optical element is disclosed comprising an upper portion and a lower portion defined at opposite parts with respect to a median line passing through the geometric center of the optical element, wherein: a) in the upper portion and at a distance of at least 10 mm from the median line the factor of luminous transmittance is between 3% and 20%; b) in the lower portion and at a distance of at least 10 mm from the median line the factor of luminous transmittance is between 15% and 65%; c) the ratio of the luminous transmittance measured in the lower portion at a distance of at least 10 mm below the median line and the luminous transmittance measured in the upper portion at a distance of at least 10 mm above the median line is not lower than 1.5; d) the colors of the upper and lower portions of the optical element are such that: d1) the absolute value of the difference between the value of the colorimetric coordinate a* of the upper portion measured at a point located 10 mm above the median line and the value of the colorimetric coordinate a* of the lower portion measured at a point located 10 mm below the median line is comprised between 0 and 60, d2) the absolute value of the difference between the value of the colorimetric coordinate b* of the upper portion measured at a point located 10 mm above the median line and the value of the colorimetric coordinate b* of the lower portion measured at a point located 10 mm below the median line is comprised between 0 and 60, e) the degree of polarization of the optical element is uniform both along a vertical and along a horizontal direction and is equal to at least 45% as measured according to European Standard EN 1836.

An optical component capable of changing polarization light state and a liquid crystal display (LCD) device using the same are provided. The optical component including a transparent substrate and a wavelength compensator is disposed at any position from the outer side of the LCD device to the outside in an output direction of an output light. The wavelength compensator is directly attached to the surface of the substrate to convert an output light of the LCD device from a linearly polarized light into a circularly polarized light or an elliptically polarized light, thereby effectively reducing eye fatigue. The LCD device is provided with such an optical component such that a linearly polarized light emerging from the LCD device is converted into a circularly polarized light or an elliptically polarized light to lessen the eye fatigue.

A three-dimensional camera based system for determining the position and / or alignment of objects such as motor vehicle wheels. The system includes a strobed infrared lighting subsystem, a visible indicator that the subsystem is working properly, and targets for attachment to the objects. The system also includes at least one camera for viewing the targets, and a data processor connected to the camera for processing data relating to images of the targets to determine position and / or alignment information, and a display that displays the position and / or alignment information. The system includes directional indicators for indicating that the vehicle should be repositioned by moving it backward, forward, or steered left or right. The system also includes wheel indicators tied in with software on the data processing device. These wheel indicators indicate the state of target acquisition by the data processing device based on the image from the camera.