720results about How to "Large viewing angle" patented technology

A display apparatus for producing colored pixelated light includes a backlight unit for providing a pump-beam light. The apparatus also includes a microcavity light-producing array responsive to pump-beam light and having pixels wherein each pixel including a transparent substrate, a bottom dielectric stack reflective to light over a predetermined range of wavelengths, an active region responsive to pump-beam light for producing display light, and a top dielectric stack spaced from the bottom dielectric stack and reflective to light over a predetermined range of wavelengths. The apparatus further includes a light shutter for permitting selected display light from the microcavity light-producing array to pass therethrough, a polarizing layer disposed between the microcavity light-producing array and the light shutter, and a beam expander disposed over the light shutter for increasing the angular cone of view of the display light.

In one aspect, an input device having a flexible display and a three-dimensional sensitive layer for acquiring inputs is provided. The flexible display of the input device is advantageously very thin, pliable and energy-saving. The three-dimensional sensitive layer is embedded behind the display means as a 3D touch panel. Inputs on the display means can thus be sensitively identified on a three-dimensional basis, and implemented.

The invention relates to an electronic cigarette with an OLED (Organic Light Emitting Diode) display. The electronic cigarette comprises a shell, a cigarette holder, a cigarette filler assembly and the OLED display, wherein the cigarette holder is arranged on the shell in a telescopic manner; the cigarette filler assembly is arranged in the shell; and the OLED display is arranged on the shell. Due to adoption of the OLED display, the electronic cigarette can be made lighter and thinner and has a larger visual angle and electric energy can be obviously saved.

A switchable stereoscopic display system, wherein the switchable stereoscopic display system can display two-dimensional and three-dimensional images, includes: an organic light emitting diode (OLED) display device; Electronics that rapidly updates individual OLEDs; and a linearly polarizer for the OLED display device. Additionally, a circular polarizing layer changes light from linearly polarized light to circular polarized light. A polarization layer, on top of the circular polarization layer, switches a polarization direction of emitted light within the OLED display device. Other electronics switches the polarization direction within independent segments of the polarization layer. Refreshed OLEDs are synched with the independent segments of the polarization layer.

The invention discloses a positive and negative mixed liquid crystal composition. The positive and negative mixed liquid crystal composition is characterized by comprising an additive component A which consists of one or more compounds shown in a general formula S-1, a general formula S-2, a structural formula S-3 and a structural formula S-4, a component B which consists of one or more negative compounds shown in a general formula I and a component C which consists of one or more positive compounds shown in a general formula II. According to the positive and negative mixed liquid crystal composition, the problems of low transmittance, low response speed and especially poor anti-ultraviolet capability of the conventional liquid crystal mixture are solved.

The invention discloses a liquid crystal composite. The liquid crystal composite is characterized by comprising at least one of components which are shown in a general formula I and have negative dielectric anisotropy and at least one of compounds which are shown in a formula II and have positive dielectric anisotropy. The liquid crystal composite has the characteristics of positive dielectric, high electric charge retention rate, low rotary viscosity and quick response, and especially has a characteristic of high transmittance and is applicable to production of high-transmittance and quick-response TFT-LCD.

The invention discloses an OLED display panel, a manufacturing method of the OLED display panel and a display device. The OLED display panel comprises an array substrate and a packaging cover plate oppositely arranged and further comprises an OLED layer formed on the face, facing the packaging cover plate, of the array substrate, and the OLED layer comprises a plurality of OLEDs. The OLED display panel further comprises at least one thin film packaging layer, a color filtering layer and pasting glue, wherein the thin film packaging layer covers the OLED layer and is bonded with the array substrate, the color filtering layer is formed on the face, facing the packaging cover plate, of the thin film packaging layer, the portion between the array substrate and the packaging cover plate is filled with the pasting glue so that the array substrate and the packaging cover plate can be pasted, and the pasting glue covers the color filtering layer and the thin film packaging layer. According to the OLED display panel, the distance between the OLED layer and the color filtering layer is small, and the large view angle color cast problem of the OLED display panel can be relieved.

The invention discloses a liquid crystal composite containing a difluorooxymethylene bridge polar monomer compound. The liquid crystal composite comprises the following components in percentage by weight: 1%-40% of compounds shown in a general formula I, 1%-40% of compounds shown in a general formula II, 5%-70% of compounds shown in a general formula III, 1%-60% of compounds shown in a general formula IV, 0%-20% of compounds shown in a general formula V and 0%-20% of compounds shown in a general formula VI. The liquid crystal composite disclosed by the invention has the characteristics of high response speed, low driving voltage and high resistivity and voltage conservation rate, has the capability of improving the viewing angle of a liquid crystal display by heightening the pretilt angle of a liquid crystal in a display and is suitable for a fast-responsive TFT-LCD (Thin Film Transistor Liquid Crystal Display).

A transparent holographic display screen for laser projection of at least one or more monochromatic wavelengths, is constructed to selectively diffuse an incident narrow-band laser beam at a predetermined solid angle and simultaneously to pass wide-band ambient light unobstructed through the display screen. The transparent holographic display screen has at least one holographic volume phase grating which is optically coupled to or integrated with a transparent carrier plate. The holographic display screen with its volume grating is produced by illuminating a real screen as an object into a primary hologram and recording a real holographic image of said real screen into a secondary hologram.

The invention relates to a polar compound liquid crystal mixture with the negative dielectric anisotrophy, which is characterized by being composed by one or a plurality of compounds in general formulas I-III, wherein R1, R2, R3, R4, R5 and R6 respectively and independently represent the linear chained alkyl with 1-8 carbon atom(s) or the alkoxy with 1-7 carbon atom(s), and Z1, Z2, Z3 and Z4 respectively and independently represent single linkages, - CH2CH2-, - C=-C-, -COO-, -OCH2-, -CH2O-, -CH=N-and the like, n represents three integers of 0, 1 or 2; and link A represents trans form 1, 4 cyclohexylidene or 1, 4-phenylene. The liquid crystal mixture has larger negative dielectric anisotrophy and higher clearing point.

The invention discloses a pixel unit, an array substrate, a liquid crystal panel, a display device and manufacturing methods thereof, relating to the technical field of liquid crystal display and aiming to improve a pixel aperture opening ratio, reduce the power consumption and improve the display effect. The pixel unit comprises a thin film transistor, a pixel electrode and a common electrode; the thin film transistor comprises a grid electrode, a grid insulating layer arranged on the grid electrode, an active layer arranged on the grid insulating layer, a source electrode and a drain electrode arranged on the active layer, and a passivation layer arranged on the source electrode and the drain electrode, wherein the common electrode is directly arranged on the passivation layer; and the pixel electrode is arranged below the passivation layer and is connected with the drain electrode of the thin film transistor. According to the array substrate, the liquid crystal panel, the display device and the manufacturing methods thereof, a visual angle can be improved, the power consumption is reduced, the aperture opening ratio is improved and further the display quality can be improved. The pixel unit, the array substrate, the liquid crystal panel and the display device can be used for liquid crystal display.

A display rotation apparatus and rotating method thereof are disclosed. A display rotation apparatus, interposed between a fixed body and a moving body and rotating the moving body about the fixed body, comprising plural joint parts coupled to the moving body; plural arm parts, one end coupled to the joint part and the other end coupled to the fixed body, comprising a link member and a hinge member configured to joint act; and a driving part, coupled to the hinge member, rotating the arm part can rotate the display in variable directions.

The invention discloses a liquid crystal display device which comprises a first baseplate, a second baseplate arranged opposite to the first baseplate, and a liquid crystal layer clamped between the first baseplate and the second baseplate, wherein the first baseplate comprises a plurality of scanning lines and a plurality of data cables, which are crossed to one another to define out a plurality of pixel areas; each pixel area is composed of pixel electrodes and a plurality of first public electrodes in electric connection, and the pixel electrodes and the first public electrodes are positioned on different layers; the second baseplate comprises touch-control sensing electrodes, as well as a black matrix and a colour layer both arranged on the touch-control sensing electrodes; and the liquid crystal molecules of the liquid crystal layer are negative liquid crystal molecules. The liquid crystal display device integrates an embedded touch control board technology and a wide visual angle, and has a wider visual angle and higher permeability.

The invention relates to a three-dimensional display device based on constructive interferences. The device comprises a coherent source device, a lamp optical system, a complex amplitude spatial light modulator, and a lens array, wherein the coherent source device is used for producing laser beams; the lamp optical system is used for receiving the laser beams and expanding the laser beams; the complex amplitude spatial light modulator is used for receiving the expanded laser beams and performing pixel-by-pixel modulation on amplitudes and phases; and the lens array is used for receiving light waves modulated by the complex amplitude spatial light modulator; a clear aperture of each lens in the lens array is designed, so that each lens can cover more than two pixels of the complex amplitude spatial light modulator; the light waves modulated by the each pixel of the complex amplitude spatial light modulator are focused by the corresponding lenses in the lens array to enlighten a subspace of a three-dimensional imaging space; the light waves modulated by different pixels are focused by different lenses in the lens array to form subspaces which are overlapped mutually; and volume elements are formed based on a constructive interference principle and constitute a discrete three-dimensional image.

The present invention provides a backlight module, which at least includes: a light guide plate having a plurality of V-cuts on both sides, in which the valley line of the V cut extends as a straight line and the valley lines of the V cuts on the same side of the light guide plate are parallel to each other, while the valley lines of the V cuts on the different sides of the light guide plate are non-parallel to each other; a reflective film disposed on the lower side of the light guide plate; at least a light source disposed around the light guide plate; and a single optical film disposed on the upper side of the light guide plate, in which the optical film includes a substrate and a plurality of light-adjusting structures.The present invention provides a backlight module combining an optical film having a light-adjusting structure to alter the light field and a double V-cut light guide plate, which can provide highly uniform light and a broad visual angle and thus cure the defects in the conventional double V-cut light guide plate.

In a linear track scanning imaging system and method, the imaging system may include: a ray generating unit having a plurality of ray sources that emit beams alternately, only one ray source at a time; an actuating arrangement causing an object under examination to move with respect to the linear track scanning imaging system along a linear track, leading the object to pass through a scanning area of the linear track scanning imaging system; a data collecting unit that collects projection data of the object for each ray source; an imaging unit that reconstructs an image of the object under examination based on the projection data collected for each ray source; and a display unit for displaying the reconstructed image.

A polarizer is used with a liquid crystal display (LCD) cell whose liquid crystal molecules are switched in the plane of the cell. The LCD has birefringent properties that are different from other types of LCD cell and, unlike other types of LCD, the image contrast is maintained and there is little color shift in the dark state when a low birefringence polarizer is used with the SIP LCD cell. In one embodiment, the x-z retardation of the layers between the polarization-sensitive absorbing layer and the LCD is less than 20 nm. In another embodiment, the x-z birefringence is less than 0.0005. The low levels of retardation and birefringence may be achieved by omitting the commonly used cellulose triacetate layer between the polarization-sensitive absorbing layer and the LCD.

The method imposes external electric field on microball cladded in microcapsule between two parallel electrode panel and the microballs are directional-moved and order-arranged under the action of the external electric field because of electric charge of itself so colour display can be obtained by totally reflecting light mating to the wavelength. Since the present invention applies method of varying external electric field i.e voltage to adjust ball arrangement state i.e ordering structure period of photon crystal, the aim of colour display can be achieved by generating different, reflection light.

The invention discloses a curve screen based on nanometer touch-control membrane technique and a manufacturing method thereof. The curve screen comprises a curve substrate, wherein the curve substrate is an arc-shaped imaging device; the radian of the curve substrate is 0-180 degrees; the curve substrate is adhered to a nanometer touch-control membrane having flexibility; a sensing signal acquisition control integrated circuit is arranged on the nanometer touch-control membrane and is connected to a computer control unit through an interface; and the computer control unit is connected to the curve substrate in a wired or wireless communication manner. In the invention, the touch control technique is realized on the curved surface. The curve screen provided by the invention is suitable fordisplay devices in different sizes. The unit cost is low, the system integration is simple, and the operation is easy, thereby ensuring that the curve screen provided by the invention is a low energy-consumption and low-carbon product.

This invention discloses a kind of light imaging function membrane. Calculated in weight percents, it comprises of the following materials and dosage. The main body material 65 to 98 percent; nanometer particulate 1 to 20 percent; assistant solvent 1 to 30 percent. The mentioned nanometer particulate are dispersed in the main body material, forming the membrane with super micro ball structure from 1 to 10 micron. This invention that the light imaging function membrane uses the large quantity of micron balls as the micro lens array to change the light way or focalize to make images. Therefore the optical structure of the light imaging function membrane is well-proportioned, and the light energy using ratio is high. The images are vivid, which efficiently keep the bright spot effect, the color demitint phenomena and the color moving phenomena within limits. It has high resolving ratio and images with high plus, wide visual angle, high luminance, and high contrast, that won't be effected by the surrounding light. So it can be applied in the new-style projecting display screen of front and back projecting.

The invention relates to the technical field of electronic paper apparatuses, in particular to a unit module for a self-driven organic-inorganic electro-chromic electronic paper apparatus. The unit module is characterized in that the unit module has the following structure: a lower conductive film of cathode conductive glass is provided with a square etching region; the lower conductive film outside the square etching region is provided with an energy storage film layer and a solar cell light anode in turn; the lower conductive film inside the square etching region is provided with an electro-chromic cathode; an encapsulating material is arranged in the etching region and around the lower conductive film; the anode conductive glass and cathode conductive glass are longitudinally symmetrically arranged on the encapsulating material so as to be solidified into zigzag inner and outer cavities; an electro-chromic capacitance layer and a large-grain TiO2 reflecting layer are arranged in turn below an upper conductive film of the inner cavity; a Pt film counter electrode is arranged below the upper conductive film of the outer cavity; and the inner and outer cavities are respectively provided with electro-chromic electrolyte and solar cell electrolyte. Compared with the prior art, the novel unit module has the advantages of simple technique and low cost.

The invention discloses a nematic phase liquid crystal composition which is composed of two components, wherein the first component comprises at least one compound shown by a structural formula I, and the content is 10-90% by weight; and the second component comprises at least one compound shown by a structural formula II and at least one compound shown by a structural formula III, and the content is 10-90% by weight. The composition disclosed by the invention has a wider positive dielectric anisotropy range, a lower optical anisotropy, a wider clearing point range and a lower rotary viscosity, is particularly suitable for manufacturing an IPS (in-plane switching) or FFS (fringe field switching) liquid crystal display and particularly suitable for manufacturing a vehicular and TV IPS or FFS liquid crystal display, and has a broad market prospect and a high application value.

A near-infrared cut filter characterized by comprising a resinous substrate (I) that comprises both a resin and a light absorber (A) having a structure derived from a compound represented by formula (I), the light absorber (A) being contained in the resinous substrate (I) in an amount of 0.001-0.01 part by weight per 100 parts by weight of the resin.

The present invention discloses a high power light emitting device using a high extraction efficiency photon-guiding structure for producing high-efficiency white light output with large viewing angle and large amount of light emitted from the side surfaces so that they can provide different light patterns for different applications such as street lighting, parking lighting, tunnel lighting, and etc., as they are used with a reflector. The emitter consists of a leadframe package or chip-on-board substrate, plurality of LED chips, silicone encapsulation material containing phosphor materials to convert short wavelength LED-emanated light to longer wavelength of light, a photon-guiding structure that enhances the efficiency of the LED package and provides light output with large viewing angle.

An electroluminescent element includes a pair of positive electrode and negative electrode facing each other, and at least one phosphor layers formed between the pair of positive electrode and negative electrode. At least one of the phosphor layers is composed of a phosphor layer and a wide band-gap semiconductor layer. The semiconductor layer or the phosphor layer constituting the phosphor layer may be a partially discontinuous layer.

A pixel control device and a display apparatus utilizing said pixel control device are provided. The pixel control device is electrically connected to a sub-pixel area to provide a first voltage level, a second voltage level, and a third voltage level to the sub-pixel area, so that liquid crystals can be disposed in various angles. A scan line of the pixel control device controls a first transistor, a second transistor, and a third transistor to be switched on. The first and second data lines thereof provide a first and a second data-referenced voltage levels, respectively, to determine the first, the second, and the third voltage levels.

The invention is suitable for the field of integrated imaging three-dimensional (3D) displayer and provides a 3D integrated imaging display method based on human eye tracking and an integrated imaging 3D displayer. The method comprises the following steps: loading 3D integrated images to be played; shooting images of an observer in real time and identifying and tracking the positions where human eyes are located; judging whether the positions where a left eye and a right eye of a person are located are in the same visual region or not according to the positions where human eyes are located, and adjusting the 3D integrated images to enable the left eye and the right eye of the person to be located in the same visual region when the left eye and the right eye of the person are located in different visual regions. By means of the 3D integrated imaging display method based on the human eye tracking and the integrated imaging 3D displayer, the problem that an existing integrated displayed 3D displaying visual angle is small, and the human eyes are located in the different visual regions, so that image division and image ghosting are caused and the 3D displaying effect is influenced is solved.

The image capturing apparatus extracts and records an effective image Ap from a captured image Ao obtained by imaging of incident light from a subject on an image capturing element by an optical system composed of optical members. When an angle of view of an image that is to be recorded is large, the image capturing apparatus adjusts an angle of view of the effective image Ap by an optical zoom unit and records the effective image Ap while correcting camera shake by a mechanical camera-shake correction unit. Only when a magnification of the optical zoom unit for the captured image Ao is maximal, the image capturing apparatus further adjusts the angle of view of the effective image Ap by an electronic zoom unit and records the effective image Ap while correcting camera shake by an electronic camera-shake correction unit.

A CL-type rear view mirror able to automatically regulate light is composed of LCD, photosensitive device, power supply and casing. Its advantages are low drive voltage, high response speed to electric field, wide visional angle and high contrast.

The invention discloses a time division multiple visual display device, including a display panel, a liquid crystal shutter array and a control module, wherein, the control module is used to control the display panel so that it displays several looker sub-images corresponding to at least two lookers in at least two permanent display time; all sub-images for the looker corresponding to each looker constitute an integral image to be provided to the looker, the control module is also used for synchronized control of liquid crystal shutter array to form a narrow slit raster corresponding to the current display panel at each display time of the display panel; and the narrow slit respectively guides the sub-images for each looker displayed by the display panel to the corresponding looker. The time division multiple visual display device provided by the present invention has large observation angle, small crosstalk, high resolution and strong practicability.