95results about How to "Change light transmittance" patented technology

A liquid crystal display device (10) is a liquid crystal display device (10) having a function of sensing an image of an image sensing object, the liquid crystal display device (10) comprising: a liquid crystal panel (11) which transmits light that has entered the liquid crystal panel (11) and which has a transmittance variable for the light; a backlight device (15) which emits, to the liquid crystal panel (11), both visible light and non-visible light; and an optical sensor (2) which is provided in the liquid crystal panel (11) and which receives at least infrared light (non-visible light) that enters the liquid crystal panel (11), the liquid crystal display device (10) adjusting a ratio between the visible light and the non-visible light, both of which are emitted to an image sensing object, so as to sense an image of the image sensing object with use of at least the non-visible light. The liquid crystal display device (10) can thus (i) simultaneously achieve a display function and an image sensing function and (ii) sense an image with use of at least non-visible light.

Provided is a pixel structure. The pixel structure comprises multiple sub pixels which are arrayed in an array. Each sub pixel comprises an active component and a pixel electrode electrically connected with the active component. All pixel electrodes are used for defining misdirected areas and display regions separated by the multiple misdirected areas. Only partial sub pixels further comprise light-shading patterns arranged corresponding to the misdirected areas.

A light-sensitive sheet comprises a support, a first light-sensitive layer, a barrier layer and a second light-sensitive layer in this order. Each of the first and second light sensitive layers independently contains a binder, a polymerizable compound and a photo-polymerization initiator. The second light-sensitive layer is more sensitive to light than the first light-sensitive layer. A light-sensitive laminate comprises a substrate, the second light-sensitive layer, the barrier layer and the first light-sensitive layer in this order.

The liquid crystal display device includes a first substrate, a second substrate, and a liquid crystal layer between the first substrate and the second substrate. The first substrate includes a transistor including an oxide semiconductor film including a channel formation region; a pixel electrode electrically connected to the transistor; an insulating layer in contact with the pixel electrode; and a first common electrode in contact with the insulating layer. The second substrate faces the first substrate and includes a second common electrode. A negative liquid crystal material is used for the liquid crystal layer. The specific resistivity of the liquid crystal material is greater than or equal to 1.0×1013 Ω·cm and less than or equal to 1.0×1016 Ω·cm.

The present utility model relates to a sun control window film with light control function, comprising: an anti-dirty layer; a curing layer arranged under the anti-dirty layer; a sun control function layer arranged under the curing layer; a first ITO PET layer, wherein a top surface of the first ITO PET layer is attached to the sun control function layer by laminate adhesive; a polymer dispersed liquid crystal layer, wherein a bottom surface of the first ITO PET layer is attached to the polymer dispersed liquid crystal layer by laminate adhesive; a second ITO PET layer, wherein a top surface of the second ITO PET layer is attached to the polymer dispersed liquid crystal layer by laminate adhesive; and a lower surface polyester protective release layer, wherein a bottom surface of the second ITO PET layer is attached to the lower surface polyester protective release layer by contact adhesive.

An optical information recording medium includes at least a reflecting layer, an optical information recording layer, a super-resolution layer and a protective layer. The super-resolution layer is a thin layer whose an optical constant changes nonlinearly due to a red shift of its band gap, and made of solid solution, compound or mixture of metal oxides containing two or more types of metal ions of the same valence. Ion radius unconformity ΔR=|(RMi−RMj) / RMj| between ion radii RMi and RMj of two types of metal ions Mi and Mj arbitrarily selected from the two or more types of metal ions is 8% or less. The difference ΔE=Eg−E between band gap energy Eg of the mixture of the metal oxides and energy E corresponding to a wavelength of the laser beam is a more 0.4 or less 1.4 eV.

A video processing circuit used in a liquid crystal panel, includes: a first boundary detector that analyzes a video signal of a present frame to detect a boundary between a first pixel and a second pixel; a second boundary detector that analyzes a video signal of a frame one frame before the present frame to detect a boundary between the first pixel and the second pixel; a third boundary detector that detects a risk boundary that is determined by a tilt azimuth of the liquid crystal; and a correction portion that corrects an applied voltage to a liquid crystal device corresponding to a first pixel from the applied voltage to a liquid crystal device corresponding to the first pixel to a third voltage or higher, when the applied voltage specified by the video signal input to the first pixel is lower than the third voltage.

The application provides mobile terminal equipment and a back cover component and a display screen component thereof. The mobile terminal equipment includes the back cover component and / or the displayscreen component. The back cover component includes a transparent substrate and a liquid crystal light-adjusting film disposed on one of surfaces of the transparent substrate. The liquid crystal light-adjusting film includes two conductive films and a liquid crystal layer disposed between the two conductive films. Voltage between the two conductive films can be adjusted according to a control signal of the terminal equipment to change light transmittance of the liquid crystal layer, and mutual switching of the back cover component of the mobile terminal equipment between transparency and hazedegrees is realized. The display screen component includes a display screen, a liquid crystal light-adjusting film and a light-supplementing lamp. The liquid crystal light-adjusting film is disposedat a position where an image sensor of the mobile terminal equipment directly faces. The light-supplementing lamp is used for carrying out light-supplementing for the liquid crystal light-adjusting film to optically shield the image sensor to enable an image sensor area to achieve a hiding effect when the image sensor stops working.

Electronic devices and methods for displaying on a transparent screen are disclosed. The electronic device includes: a display unit having a first side and a second side and configured to display an image; a first adjusting unit provided on the first or second side of the display unit and is configured to switch from a first state to a second state. The first adjusting unit has a first transmittance in the first state and a second transmittance in the second state. The first transmittance is different from the second transmittance.

A video processing circuit used in a liquid crystal panel, includes: a boundary detector that detects a portion of a boundary between a first pixel whose applied voltage specified by an input video signal is lower than a first voltage and a second pixel whose applied voltage is higher than a second voltage higher than the first voltage, as a risk boundary that is determined by a tilt azimuth of the liquid crystal; and a correction portion that corrects an applied voltage to a liquid crystal device corresponding to a second pixel which is adjacent to the risk boundary from the applied voltage specified by the video signal to a voltage equal to or lower than the second voltage and higher than the first voltage.

A liquid crystal display includes a first substrate, a pixel electrode formed on the first substrate, a second substrate facing the first substrate, and a common electrode formed on the second substrate. The pixel electrode includes a first subpixel electrode disposed in a first subpixel region, and a second subpixel electrode disposed in a second subpixel region. A first voltage applied to the first subpixel electrode and a second voltage applied to the second subpixel electrode are different from each other, and a ratio of the first voltage to the second voltage is about 0.76 to about 0.80.

The invention relates to an intelligent photochromic window and a use method thereof, belonging to the technical field of building of architecture. The intelligent photochromic window comprises a window frame and photochromic glass, wherein the photochromic glass is arranged in the window frame; the outer top of the window frame is provided with a roller shutter shaft; a shading roller shutter is arranged on the roller shutter shaft; the photochromic glass indicates composite glass formed by compositely smearing silver bromide and copper oxide on normal glass; the shading roller shutter is a normal shade cloth roller shutter; and one end of the roller shutter shaft is provided with a pull rope. According to the intelligent photochromic window, the light transmittance of the window can be changed along with intensity of sunlight, strong sunlight in summer is avoided, the light environment in the window is improved, and the comfort of a human body is enhanced; and the intelligent photochromic window is easy and convenient to produce and mount.

The invention relates to a shed film special for ginger. The shed film consists of two to three kinds of colorless agricultural polyethylene (containing ethylene vinyl acetate EVA resin), and is prepared from the following raw materials in percentage by weight: 0.5 to 10 percent of green color masterbatch, 5 to 20 percent of dropless anti-ageing masterbatch, 35 to 80 percent of linear low density polyethylene (LLDPE) and 10 to 35 percent of LEPE or EVA. The shed film special for the ginger, which is prepared by blow molding, has the thickness of 0.02 to 0.15mm, the light transmittance of 60 to 85 percent and the spectral green light transmittance rate improved by 5 to 15 percent compared with that of the common shed film. When the shed film covers a shed for culturing the ginger, the illumination environment in the shed can be improved, the ginger is promoted to grow, and the ginger yield and quality are improved.

The invention discloses a control method of a 3D (Three-Dimensional) glasses system. The control method of the 3D glasses system comprises a pair of 3D glasses. The pair of 3D glasses comprises a glasses frame, liquid crystal glasses lenses and a start control device. The start control device comprises a signal receiving module, a power supply management module and a central control module. The central control module comprises a video control module. Each liquid crystal glasses lens comprises a connecting terminal connected to an LCD (Liquid Crystal Display) drive module in the video control module. The connecting terminal passes through a left glasses frame and a right glasses frame close to a middle node pad and extends into a receiving cavity. The left glasses frame or the right glasses frame comprises a first knob connected to an LCD time sequence adjusting module in the video control module. The first knob is used for the user to manually adjust the amplitude of a time sequence waveform received by the LCD time sequence adjusting module. The light transmittance of the liquid crystal glasses lenses can be manually adjusted directly by this way.

A thin film transistor is designed in such a manner that a semiconductor region includes source and drain electrodes in a channel width direction and further, a planar source-side overlap area constructed by a gate electrode, the source electrode and the semiconductor region and a planar drain-side overlap area constructed by the gate electrode, the drain electrode and the semiconductor region exist. An optimal overlap length of one of the source-side and drain-side overlap areas in a channel length direction is determined, for instance, to be 4 mum, for a light incident on a channel portion of the thin film transistor to have a light intensity below or equal to 0.2% of a light intensity of the backlight incident toward the thin film transistor, thereby reducing a light-induced OFF leak current sufficiently and further improving flickering and display uniformity.

An absorption type multi-layer film ND filter having a substrate and an optical multi-layer member consisting essentially of metal layers each composed chiefly of nickel (Ni) and dielectric layers each formed of any one of SiO2, Al2O3 and a mixture of these; the layers being alternately layered on the substrate. An Ni type metallic material having a small wavelength dependence of transmittance in the visible spectral range is used in the metal layers serving as light attenuation layers, and this enables materialization of an ND filter which can attain transmittance attenuation that is flat for wavelengths.

The invention discloses ectrochromatic glass which comprises two pieces of glass with indium tin oxide (ITO) electrodes on the surfaces. The indium tin oxide electrodes of the glass are opposite to each other and a filling area is reserved between the electrodes. The edges of the electrodes are glued by using filling glue. A bistable state liquid crystal is poured in the filling area and reversed under drive of voltage. The ectrochromatic glass provided by the invention has the beneficial effects that for the ectrochromatic glass, the ITO electrodes are formed on one surface of the glass, the two pieces of glass with the ITO electrodes are glued and the filling area is reserved between the electrodes, and then the bistable state liquid crystal is poured in the filling area. When the electrodes are applied with voltage, the liquid crystal is reversed and switched between transparency and non-transparency so as to change the transmissivity and the transparency. Furthermore, when the state is triggered once, power can be cut off, and the liquid crystal is maintained in a special reversing state so as to save energy sources. In addition, a line can be further formed on the ITO electrodes, so that the ectrochromatic glass is partially transparent and partially non-transparent, therefore, the light transmittance can be further improved.

An absorption type multi-layer film ND filter having a substrate and an optical multi-layer member consisting essentially of metal layers each composed chiefly of nickel (Ni) and dielectric layers each formed of any one of SiO2, Al2O3 and a mixture of these; the layers being alternately layered on the substrate. An Ni type metallic material having a small wavelength dependence of transmittance in the visible spectral range is used in the metal layers serving as light attenuation layers, and this enables materialization of an ND filter which can attain transmittance attenuation that is flat for wavelengths.

The invention discloses a high-efficiency energy-saving double-light-source light supplement system, and the system comprises a heat dissipation housing, a gas light-emitting tube, and a front lens. The front opening of the heat dissipation housing extends outwards to form a boss. An LED lamp bead with a focusing lens is installed on the boss, and the front opening of the boss of the heat dissipation housing is provided with the front lens. The gas light-emitting tube is installed in the heat dissipation housing, and the exterior of the gas light-emitting tube is surrounded by a light spot shaping cover. The gas light-emitting tube and the light spot shaping cover are fixed on a circuit board, and the circuit board is provided with a control circuit. The system solves a light pollution problem of scattered light, meets the technical requirements of precise light supplement, increases the light utilization rate, and improves the energy-saving efficiency. The system effectively solves a problem of overexposure of a license plate and a problem that a camera cannot easily recognize the license plate.

The invention discloses a window capable of automatically adjusting the light and relates to the window. By means of the window capable of automatically adjusting the light, the light can be adjusted without adding curtains, funds are saved, and residents can adjust the light conveniently. The technical scheme is that the window comprises a window frame, a window sash, electrochromic glass, a movable member, a power source, a control switch, a single-chip microcomputer and an optical inductor, wherein the power source, the control switch and the electrochromic glass are connected serially, and the optical inductor is positioned on the outer side of the window sash and connected with the single-chip microcomputer which is connected with the control switch. The window has the advantages that the optical inductor arranged on the outer side of the window sash inducts sunlight, the single-chip microcomputer controls connection and disconnection of the circuit through the control switch, therefore, the transparent state and the opaque state of the electrochromic glass can be switched, light of the window can be adjusted automatically, manual adjustment is avoided, the curtains are not needed, the funds are saved, and the residents can adjust the light conveniently.

A method for driving liquid crystal display includes outputting the first pixel voltage to the first pixel in the first pixel column for varying transmissivity of the first pixel, doing the same thing as above on the second pixel to very transmissivity of the second pixel, switching on backlight module and regulating pixel electrode voltage of the first pixel to make transmissivity of the first pixel be decreased at the first preset time then regulating pixel electrode voltage of the second pixel to make transmissivity of the second pixel be decreased at the second preset time.

The invention relates to a special mulching film for ginger, which is composed of colorless agricultural polyethylene. The raw materials are calculated by weight percentage, green color masterbatch accounts for 1%-10%, non-drip heat preservation masterbatch accounts for 5%-20%, linear low density Polyethylene 75%-94% composition. The thickness of the special mulch film for ginger blown according to this formula is 0.006-0.02mm, the light transmittance is 40%-85%, and the ratio of green light in the transmission spectrum is increased by 5%-15% compared with ordinary mulch film. Using it for film-mulching cultivation of ginger can promote the growth of ginger, improve the yield and quality of ginger, and has a good prospect for popularization and application.

An electronic imaging apparatus includes an optical system that has a reflecting surface for bending an optical path, and a variable-transmittance optical element placed in the optical system. The variable-transmittance optical element is constructed so that a ray of light passes through the optical element a plurality of times. Whereby, a slim-design electronic imaging apparatus can be provided which is small in size and extremely small in depth and in which the amount of light can be adjusted in a wide range.

The invention provides a bendable flexible dimming window film for changing transmittance of light. The bendable flexible dimming window film is soft in texture, light and thin and comprises two layers of flexible transparent conductive films. Each flexible transparent conductive film comprises a flexible transparent base material layer and a transparent electrode layer. A supporting object for separating the two opposite transparent electrode layers of the two layers of flexible transparent conductive films is arranged between the transparent electrode layers. A lyotropic liquid crystal polymer is arranged on the periphery of the supporting object and located between the two transparent electrode layers. The two opposite transparent electrode layers are connected with the two poles of a power source respectively.

The embodiment of the invention discloses a brightness adjustment method, which is applied to a terminal, the terminal comprises a display screen, an electrochromic layer is arranged on the display screen, and the method comprises the following steps: detecting first information of the terminal, and judging whether the first information is preset first information or not; if yes, acquiring secondinformation of the terminal; judging whether the second information meets a preset triggering condition or not; and if yes, adjusting the light transmittance of the electrochromic layer. The inventionfurther provides a terminal and a computer readable storage medium. Through the method, when a user opens the mobile phone for use in the morning or in a dark environment, the brightness of the screen is not too dazzling, so that the eyes of the user have time to adapt to strong light, and the use experience of the user is improved.

The invention discloses a window and belongs to the field of building materials.The window comprises glass, a window frame, at least two glass installation frames, a first power source used for providing power, a light-sensitive resistor used for detecting light intensity, an adjusting resistor, a single-pole switch and a transmission device.The first power source is fixed to the glass installation frames, the light-sensitive resistor is installed on the glass, the glass is twisted nematic liquid crystal glass, and the first power source, the light-sensitive resistor, the adjusting resistor, the twisted nematic liquid crystal glass and the single-pole switch are sequentially connected in series to form a circuit.The transmission device comprises a first gear, an installation shaft, a rack, a second gear, a third gear, a shaft sleeve, a first bevel gear, a second bevel gear, a motor, an electromagnetic relay, an installation frame, a resistor, a second power source and a single-pole double-throw switch.The window can change indoor light by increasing or reducing light of the twisted nematic liquid crystal glass, and meanwhile the window can be automatically closed or opened through the transmission device.

The liquid crystal display device includes a first substrate, a second substrate, and a liquid crystal layer between the first substrate and the second substrate. The first substrate includes a transistor including an oxide semiconductor film including a channel formation region; a pixel electrode electrically connected to the transistor; an insulating layer in contact with the pixel electrode; and a first common electrode in contact with the insulating layer. The second substrate faces the first substrate and includes a second common electrode. A negative liquid crystal material is used for the liquid crystal layer. The specific resistivity of the liquid crystal material is greater than or equal to 1.0×1013 Ω·cm and less than or equal to 1.0×1016 Ω·cm.