280 results about "Bright state" patented technology

This disclosure features an electronic display with overlayed electronic skin. The display includes an outer transparent display surface and can be placed in a dark state or in a bright state. The skin overlays the outer display surface and includes an electro-optic layer. Transparent electrically conductive layers are disposed on each side of the electro-optic layer. Electronic circuitry applies voltages to the electrically conductive layers enabling the electro-optic material of the electronic skin to be placed into a substantially transparent state and a reflective state. Images or colors can be displayed on the electronic skin while portions of the electronic skin are in the reflective state and light passing through the electronic skin is absorbed by the display in the dark state. When the display is in the bright state images or colors can be displayed on the display that can be seen through the electronic skin.

A liquid crystal device includes a plurality of selection lines, a plurality of signal lines, a plurality of pixel portions, a plurality of photosensor portions, a plurality of first power lines, and a plurality of sense lines. The plurality of selection lines are provided in a line direction. The plurality of signal lines are provided in a column direction. The plurality of pixel portions are provided at positions corresponding to intersections of the selection lines and the signal lines. The plurality of photosensor portions are provided in correspondence with a portion of the plurality of pixel portions. The plurality of first power lines are provided in the line direction. The plurality of sense lines are provided in the column direction. Each of the plurality of pixel portions includes a first switching element and a liquid crystal. The first switching element loads a display signal supplied through a corresponding one of the signal lines as a selection signal supplied through a corresponding one of the selection lines is asserted. The liquid crystal exhibits a bright state corresponding to the display signal that is loaded by the first switching element. The portion of the plurality of pixel portions adjust the amounts of light that enter the plurality of photosensor portions. Each of the plurality of photosensor portions includes a photoelectric conversion element, a capacitive element, a second switching element, and a readout portion. The photoelectric conversion element generates an electric current of which the magnitude corresponds to the amount of light received. One end of the capacitive element is electrically connected to the photoelectric conversion element. The second switching element resets the one end of the capacitive element to a reset voltage that is supplied through a corresponding one of the first power lines. The readout portion outputs, to a corresponding one of the sense lines, an output signal of which the magnitude corresponds to a voltage of the one end of the capacitive element. The second switching element is controlled to any one of an on state or an off state on the basis of the selection signal that is supplied through the corresponding one of the selection lines.

The invention discloses a non-linear structure light illumination microscopic imaging method which comprises the following steps: 1) loading a computed hologram on a digital microscopic array; 2) generating a first spatial structure light field which meets sine distribution and is used for activating fluorescent protein, and radiating the first spatial structure light field to the surface of a sample, so as to convert a part of protein to be in an illuminated state from a dark state; 3) radiating the sample in a second spatial structure light field so as to enable fluorescent protein in the bright state to emit fluorescent light, collecting the fluorescent light, and imaging in a photoelectric detector; 4) repeating the step 2) and the step 3), acquiring a plurality of spatial frequencies, acquiring a plurality of initial phases in each direction to obtain a plurality of original images, and reestablishing a super-resolution image according to a GPU acceleration algorithm. The invention further discloses a non-linear structure light illumination microscopic imaging system. The non-linear structure light illumination microscopic imaging method has the advantages of relatively high system imaging resolution, high fluorescent drifting resistance, low phototoxicity and rapid imaging.

A transflective display device includes upper and lower substrates, and a plurality of pixel regions that are disposed between the upper and lower substrates. Each of the pixel regions is controllable to switch between a bright state and a dark state, and includes a liquid crystal display structure, an emissive display structure, and a photovoltaic structure. The photovoltaic structure is capable of absorbing light to generate an electrical power. The liquid crystal display structure is controllable to operate between a transmissive mode and a reflective mode. The emissive display structure is controllable to emit graded light or to not emit light.

The invention provides a liquid crystal display device which has blue phase liquid crystal. The liquid crystal display device comprises a plurality of electrodes. In the invention, at least one pair of electrodes is arranged on one side of the blue phase liquid crystal to supply a transverse electric field to drive the macromolecular stabilized positive type blue phase liquid crystal for increasing the penetration rate of the light and controlling the bright state of the liquid crystal display device; and at least one pair of electrodes are arranged on the opposite sides of the blue phase crystal liquid to supply a vertical electric field, so the macromolecular stabilized positive type blue phase liquid crystal has excellent optical isotropy in a dark state and light leak in the dark state is reduced.

The invention relates to the technical field of display, and discloses a display device. According to the display device, a control panel is arranged on the side, emitting light, of a backlight module, the control module comprises a plurality of control units, the control units correspond to the positions of pixel units of the display panel one to one, and each control unit has a light-transmitting work state and a light-proof work state. When the pixel units are set to be in a dark state, the corresponding control units are in the light-proof state. When the pixel units are in the bright state, the corresponding control units are in the light-transmitting state. The phenomenon that light is leaked in the dark state of the pixel units or the image brightness is not low enough in the dark state can be effectively reduced, the pixel units can be dark enough in the dark state, the image contrast ratio is improved, and image display quality is guaranteed.

An imaging device of the present invention comprises an image sensor having a plurality of pixels made up of a first pixel group and a second pixel group, a flicker detection section for detecting bright states and dark states of all taken images based on a periodic flicker action of a light source contained in a subject from image output from the second pixel group, and a flicker correction calculation section 4 for, when light of brightness having bright states and dark states due to periodic flicker is incident, correcting brightness output gain corresponding to all pixels of the plurality of pixels corresponding to the first pixel group so that brightness output of taking images from the first pixel group becomes a standard brightness output.

The embodiment of the invention discloses a liquid crystal display device, a control method thereof, head-mounted display equipment and a medium. The control method of the liquid crystal display device comprises the steps that the state of each pixel of a display panel is acquired according to an input image data; according to the state of each pixel of the display panel, a display partition comprising pixels in a bright state and pixels in a dark state is obtained, and the obtained display partition serves as a target partition; according to the states of the pixels in the target partition, ahalo region is obtained, wherein the halo region comprises the pixels in the dark state in the target region; a first control signal is generated according to the halo region; a to-be-adjusted backlight partition is controlled according to the first control signal. According to the technical scheme, by obtaining the halo region, the to-be-adjusted backlight partition is adjusted, the area of thehalo region can be fixed, the flickering phenomenon that the halo is small sometimes or large sometimes is avoided, and a good display effect is achieved.

An electrochromic (EC) privacy window includes an EC pane unit including a first EC device having a bright state and a dark state, and a privacy device facing the EC pane unit and having a bright state and a privacy state configured to attenuate visible radiation transmitted through the window. In some embodiments, when the privacy device is in the privacy state, the window has transmitted haze of greater that 80%. In other embodiments, when the privacy device is in the privacy state and the first EC device is in the dark state, the window has a visible transmittance of about 0.1% or less.

A portable electronic device includes a first cover, a second cover, a camera and a liquid crystal shutter. The first and second covers cooperatively form a housing. The camera is received in the housing and fixed to the first cover. The camera includes an optical lens and an image sensor. The optical lens is optically aligned with the image sensor. The second cover has a through hole defined therein aligned with the optical lens of the camera. The liquid crystal shutter is fixed in the through hole. The liquid crystal shutter is changeable between a bright state and a dark state, thereby having a light switch function of a shutter.

The invention discloses a single-polarizer liquid crystal dimming automotive rearview mirror. A layered structure of the rearview mirror comprises a front polarizer, a front substrate, a front substrate electrode, a front direct action membrane, a liquid crystal layer, a rear direct action membrane, a rear substrate electrode and a rear substrate with a reflector from front to back in turn, wherein the front substrate electrode and the rear substrate electrode respectively comprise an ion infiltration-preventing SiO2 film and an indium tin oxide (ITO) transparent conductive film; and the product of the birefraction rate of the liquid crystal and the thickness of the liquid crystal layer is more than 0.2 and less than 1.6mu m. Compared with the prior art, the single-polarizer liquid crystal dimming automotive rearview mirror has better dimming effect and temperature characteristic, good reflectivity in a bright state and a dark state, and low cost, and is easy to popularize.

The invention provides an electro-wetting display unit and an electro-wetting display system. The electro-wetting display unit comprises a fluid layer, a dielectric layer and an electrode, wherein the fluid cavity comprises polar fluid, colored non-polar fluid and a partition wall used for surrounding the polar fluid and the non-polar fluid; the dielectric layer is positioned below the fluid cavity and is contacted with the non-polar fluid or the polar fluid in the fluid cavity; and the electrode is positioned below the dielectric layer. The electro-wetting display unit is characterized in that a hollow groove is arranged in the partition wall, is provided with an opening facing to the dielectric layer and is used for completely or partly storing the non-polar fluid when the voltage is applied between the polar fluid and the electrode. The electro-wetting display system comprises the electro-wetting display unit. When the electro-wetting display unit trends to be in the bright state in display, and the non-polar fluid paved above the dielectric layer originally enters the hollow groove by the assistance of the extrusion force on the non-polar fluid caused by the polar fluid controlled by the electrode, and is not attached at one corner or the middle area of the bottom surface.

An organic light emitting display for two-dimension/three-dimension switching comprises a plurality of pixel regions. Each pixel region comprises a first sub-pixel region, a second sub-pixel region, a third sub-pixel region and a fourth sub-pixel region. The first sub-pixel region, the second sub-pixel region and the third sub-pixel region are successively arranged in a row. The fourth sub-pixel region is positioned below the first sub-pixel region, the second sub-pixel region and the third sub-pixel region. The first sub-pixel region, the second sub-pixel region and the third sub-pixel region are respectively one of a red sub-pixel region, a green sub-pixel region and a third sub-pixel region. The fourth sub-pixel region is a white sub-pixel region and is selectively in a bright state or dark state. When the fourth sub-pixel region is in a bright state, the organic light emitting display for two-dimension/three-dimension switching displays two-dimensional images. When the fourth sub-pixel region is in a dark state, the organic light emitting display for two-dimension/three-dimension switching displays three-dimensional images. The organic light emitting display for two-dimension/three-dimension switching has high brightness and high pixel resolution.

The application provides a display panel and a control method thereof, and a display device. The display panel comprises a first substrate, a refractive layer and a second substrate which are sequentially stacked, wherein the second substrate comprises a grating layer for outputting part of incident light of the grating layer to the display panel at a preset angle. The refractive index of the refractive layer is adjustable, wherein the refractive index of the refractive layer is smaller than the first refractive index of the first substrate in a dark state, so that the incident light is totally reflected in the first substrate; the refractive index of the refractive layer is greater than or equal to the first refractive index in a bright state, so that the incident light is output to the display panel; the refractive index of the refractive layer changes to adjust the light-emitting efficiency of the display panel, thereby realizing the gray scale display, that is, the gray scale display of the display panel can be carried out without a polarizing plate, and the factors affecting the transmittance and the transparency are only the absorption loss of the first substrate, the refractive layer and the second substrate. Therefore, the display panel provided by the application can improve the transmittance and transparency of a display product.

The invention discloses a screen control method and device, equipment and a storage medium, and belongs to the technical field of wearable equipment. The screen control method includes: acquiring behavior data while a screen of the wearable equipment is in a bright state; acquiring a time length prediction model, wherein the time length prediction model is used for expressing a behavior law trained and acquired on the basis of historical behavior data; adopting the time length predication model to acquire a target bright time length of the screen according to the behavior data; and switching the screen from the bright state to a blank state while the duration length that the screen is in the bright state reaches the target bright time length. The screen control method can determine the target bright time length according to the behavior data through the wearable equipment, can automatically turn off the screen on the basis of the target bright time length, can reduce the power consumption of the wearable equipment, and can prolong the endurance time of the wearable equipment.

The invention discloses an organic light emitting diode driving circuit. The organic light emitting diode driving circuit includes an eleventh thin film transistor which is opened according to a scanning voltage and transmits a data voltage, a twelfth thin film transistor which produces a driving current, a thirteenth thin film transistor which controls whether the driving current is transmitted to the anode of an organic light emitting diode according to a trigger driving signal, and the organic light emitting diode which provides light. According to the organic light emitting diode driving circuit of the invention, the time ratio of the bright state to the dark state of the organic light emitting diode is controlled by an externally input trigger driving signal, the function of displaying pictures of different gray scales under the drive of the same current is achieved, and the problem of uneven picture caused by low driving current and unstable current during the display of low-gray-scale pictures can be avoided. The invention further discloses a display device using the organic light emitting diode driving circuit.

The embodiment of the invention provides a display correcting method, device and system of a display module, an electronic device and a computer readable storage medium. The method includes the stepsof receiving a correcting instruction through the electronic device, wherein the correcting instruction is generated when it is detected according to a first image that a preset image is shifted relative to an ink window area of the display module when displayed in a displaying area of a display screen, and the first image is an image obtained when the ink window area is photographed in a screen bright state of the display module; moving the position of the preset image according to the correcting instruction so that the geometrical center of the preset image and the geometrical center of theink window area can be overlapped. Thus, the problems that the inner side edge of an ink layer on a cover plate of the display module and the inner side edge of a BM area are staggered, and the display effect is not good are effectively solved.

The invention discloses a skin care matrix, a preparation method and an application of the skin care matrix as well as cosmetics and a preparation method of the cosmetics and relates to the technical field of cosmetics. The skin care matrix is mainly prepared from raw materials in percentage by mass as follows: 25%-30% of a citrus peel extract, 5%-10% of a Chinese radix rehmanniae extract, 2%-4% of nicotinamide, 1%-2% of alpha-arbutin, 1%-2% of sodium hyaluronate, 3%-5% of saccharide isomeride, 15%-20% of hydrolyzed prunus domestica and the balance of water. The problems that skin brightening cosmetics in the current market have relative single effects, poor moisturizing and skin moisture increasing effects and long effect cycle are solved. All raw materials of the matrix cooperate and can provide long-acting moisturizing and skin brightening effects. The skin care matrix is applied to skin care products, can make skin moist and vigorous, has the skin brightening and balancing effects and keeps the skin in a moist and bright state if used for a long term.

The invention discloses a display device and a driving method thereof, and belongs to the technical field of display. The display device comprises a display area, wherein the display area comprises aplurality of pixels and a plurality of light sensing elements; The driving method includes: sensing a touch operation in the display area to determine a touch area in which the touch operation occurs;performing a fingerprint identification operation A times; In the fingerprint identification operation, some pixels in the touch control area are controlled to be in a bright state and other pixels are in a black state, and pixels located outside the touch control area are controlled to perform a display function. Also, in the A fingerprint identification operation, any pixel in the control toucharea is in a bright state in at least one fingerprint identification operation; Where A is an integer and A >= 2; The light sensing element receives the optical signal and converts it into an electrical signal. The electrical signal of the photosensitive element is processed to obtain fingerprint information. Compared with the prior art, the phenomenon that large-angle light affects the accuracyof fingerprint identification can be improved, and the user experience is improved.

The present invention provides a display panel and a manufacturing method thereof and a display device, the display panel comprises an array substrate and an opposite substrate, the display panel further comprises: an electrochromic structure provided on the array substrate or the opposite substrate, which is used to absorb leakage light of the display panel when the display panel is in a dark state. When the display panel is in a bright state, the electrochromic structure exhibits a transparent state, and when the display panel is in a dark state, the electrochromic structure exhibits a coloring state, the electrochromic structure exhibiting the coloring state may absorb light, so that the leakage light of the display panel in the dark state may be reduced to a largest extent, thus the smallest brightness of the display panel is decreased, therefore, the contrast of the display panel is effectively increased.

The invention discloses a display panel, a manufacturing method of the display panel and a display device and belongs to the technical field of display. The display panel comprises a first substrate, a second substrate and a liquid crystal layer located between the first substrate and the second substrate, wherein a first polarization layer is arranged on one side, far away from the liquid crystal layer, of the first substrate; a thin film transistor TFT, a flat layer, a second polarization layer and a colored film layer are arranged on one side, close to the liquid crystal layer, of the second substrate in sequence; and the direction of a light transmission axis of the second polarization layer is parallel to or vertical to the direction of the light transmission axis of the first polarization layer. When environment light penetrates through the first polarization layer and the liquid crystal layer and is reflected by the second polarization layer, bright-state display of the display device can be realized; when the environment light penetrates through the first polarization layer and the liquid crystal layer and penetrates through the second polarization layer, dark state display of the display device can be realized; and the display device has relatively small dependence on liquid crystal molecules when the dark state display is realized and the dark state display effect is relatively good.

The embodiment of the invention discloses a server fault indication method. The method comprises the steps of obtaining fault information of a server, wherein the fault information comprises fault component information and a fault type; controlling a fault indicator light to present a bright state or a dark state according to first fixed frequency on the basis of a corresponding relationship of the fault information and flicker information, and displaying the fault component information and the fault type in the fault information as the flicker information of the fault indicator light. The embodiment of the invention discloses a server fault indication device.