45 results about "Blue filter" patented technology

An electrically-controllable color filter array based on a phase-change material, and an artificial vision system. The filter array includes a plurality of color filter units; each of the color filter units includes a metal layer, a bottom transparent conductive layer, a chalcogenide phase-change material layer, and a top transparent conductive layer; the red, green and blue filter function of each of the color filter units is adjusted according to the thickness of the bottom transparent conductive layer and the top transparent conductive layer; in the color filter units arranged in the array; the state transition of the chalcogenide phase-change material layer in each of the color filter units is realized by adjusting an electric pulse applied to the bit line and the word line where the electric pulse is present.

A display device may include a substrate, a light emitting structure on the substrate, a thin film encapsulation layer on the light emitting structure, a color filter layer on the thin film encapsulation layer and including a red color filter selectively transmitting a red light and a blue color filter selectively transmitting a blue light, and an overcoat layer, exhibiting two or more absorption wavelength bands and configured to provide wavelength-selective filtering including a green wavelength band, on the color filter layer and including at least one selected from a dye and a pigment, wherein an upper surface of the red color filter may be lower than an upper surface of the blue color filter.

An electrophoretic display device includes a pixel structure and a color filter array. In the pixel structure, an area of a blue pixel electrode is less than an area of a red pixel electrode, and the area of the blue pixel electrode is less than an area of a green pixel electrode. In the color filter array, areas of red, green, and blue filter units are all substantially the same and the red, green, and blue filter units are overlapped with the red, green, and blue pixel electrodes respectively. A ratio of the area of the red filter unit to the area of the red pixel electrode is RFF; a ratio of the area of the green filter unit to the area of the green pixel electrode is GFF; a ratio of the area of the blue filter unit to the area of the blue pixel electrode is BFF, and BFF>RFF≥GFF.

The present disclosure provides a display panel and a display device. The material composition of a red filter unit (201) of the display panel comprises a 1,5-substituted alkylamino anthraquinone red dye having a mass percentage content of 0.5-20%. The material composition of a blue filter unit (202) comprises a blue dye, the blue dye comprising at least one of a 1,4-substituted alkylamino blue dye or a hydroxy anthraquinone blue dye which has a mass percentage content of 0.5-20%. The material composition of a green filter unit (203) comprises a 1,4-substituted alkylamino anthraquinone green dye having a mass percentage content of 0.5-20%.

An electrically-controllable color filter array based on a phase-change material, and an artificial vision system. The filter array includes a plurality of color filter units; each of the color filter units includes a metal layer, a bottom transparent conductive layer, a chalcogenide phase-change material layer, and a top transparent conductive layer; the red, green and blue filter function of each of the color filter units is adjusted according to the thickness of the bottom transparent conductive layer and the top transparent conductive layer; in the color filter units arranged in the array; the state transition of the chalcogenide phase-change material layer in each of the color filter units is realized by adjusting an electric pulse applied to the bit line and the word line where the electric pulse is present.

A display substrate, including: a flexible base substrate, a display structure layer, and a color filter layer. The flexible base substrate comprises: a first display region. The first display region comprises: at least one sub-display region and at least one light-transmissive region. The display structure layer comprises a plurality of first light-emitting units disposed on a flexible base substrate of the sub-display region. The color filter layer is arranged on a light exit side of the display structure layer and the at least one light-transmissive region. A color filter layer of the at least one light-transmissive region comprises a plurality of blue filter units, or a color filter layer of the at least one light-transmissive region includes: first red filter units, first green filter units, and first blue filter units which are periodically arranged.

The invention provides ophthalmic devices provided with improved blue filtering, mimicking the transmittance of the human ageing eye closer than hitherto possible. The invention furthermore provides methods to obtain such ophthalmic devices, as well as application thereof for prevention or treatment of a degenerative eye disease.

The utility model discloses an image sensor, an imaging module and electronic equipment. The image sensor comprises a color filtering array and a plurality of photodiodes. The color filter array comprises a plurality of filters, the filters comprise a red filter, a blue filter and a tunable filter, the tunable filter has a first state and a second state, in the first state, only green light is allowed to penetrate through the tunable filter, and in the second state, white light is allowed to penetrate through the tunable filter. The plurality of photodiodes are opposite to the color filtering array, and the photodiodes acquire optical signals penetrating through the color filtering array and output electric signals in response to the optical signals. According to the image sensor, the tunable filter only allows green light to pass through in the first state, at the moment, the image sensor has better color recognition capability, the tunable filter allows white light to pass through in the second state, at the moment, the image light sensing amount of the image sensor is higher, and thus the image sensor can give consideration to both high light sensing capability and high color recognition capability.

The invention discloses a modular shoe and clothing showing stand capable of self-adapting to a display angle and an adjusting method thereof, and relates to the technical field of shoe and clothing showing stands, the modular shoe and clothing showing stand comprises a showing stand body, two shoe showing mechanisms, a lamp, an adjusting mechanism, a mounting mechanism, a hook and a miniature camera, the bottom in the showing stand body is rotatably connected with the two shoe showing mechanisms, a lamp is fixedly connected to the center of the top in the showing stand body, an adjusting mechanism is fixedly connected to the right end of the top in the showing stand body, a shoe showing mechanism is arranged, shoes are driven to rotate intermittently through a containing disc, the self-adaption showing angle is achieved, customers can see the full view of the shoes without hands, and the customers are guided to stop; meanwhile, by controlling starting and stopping of a first electromagnetic block, replacement of a contact rod is achieved, and it is prevented that adjustment of the display angle is affected by damage of the contact rod; an adjusting mechanism is arranged, a cooling blue filter plate or a warming orange filter plate is moved to the position below the lamp, the color temperature of light rays is changed, and clothes of different colors and different seasons are adapted.

A pixel array includes 2×2 groupings of photodiodes to generate image charge in response to incident light directed through a back side of the semiconductor layer. A Quad Bayer filter is disposed over the back side of the semiconductor layer over the 2×2 groupings of photodiodes. Each color filter of the Quad Bayer CFA is disposed over a respective one of the plurality of 2×2 groupings of photodiodes. Trench balance structures are disposed in the semiconductor layer. Each of the trench balance structures is disposed in the semiconductor layer between one of the photodiodes and a respective one of the red color filters of the Quad Bayer filter. None of the trench balance structures are disposed between any of the photodiodes and respective green color filters or blue color filters of the Quad Bayer filter.

The present invention discloses a color filter, a display panel and a method for preparing the color filter. The color filter comprises a first protective layer, a plurality of color photoresist units and a filter layer. A plurality of grooves are arranged on the first protective layer; the plurality of color photoresist units comprise a red photoresist unit, a green photoresist unit and a blue photoresist unit, each color photoresist unit fills a groove, and the thickness of the color photoresist unit is greater than the depth of the groove; the filter layer comprises filter units arranged in an array, and the filter units arranged in an array comprise a red filter unit, a blue filter unit and a green filter unit. The technical solution of the embodiment of the present invention reduces the risk of light leakage between pixels by arranging a color photoresist unit whose color is different from the filter unit and overlaps with the filter unit between two adjacent filter units of different colors, and the color photoresist can meet the demand for higher resolution.

The present invention provides a display device in which a decrease in brightness is suppressed, and which can display an image with high color reproducibility even after long-term use. A display device (1A) is provided with: a light emitting diode (23); a color filter (33) including a red filter unit (33R), a green filter unit (33G), and a blue filter unit (33B); a wavelength conversion layer including a first wavelength conversion part (36R) and a second wavelength conversion part (36G), each of the wavelength conversion parts containing Eu2 +-activated phosphors; a functional layer that includes an ultraviolet shielding layer (51) that faces the light emitting diode (23) with the color filter (33) and the wavelength conversion layer interposed therebetween, and that has an ultraviolet shielding rate of 85% or more in accordance with JIS L1925: 2019; and a colored layer (52) that is interposed between the functional layer and the color filter (33) and contains a first coloring material having a maximum absorption wavelength in the range of 560-620 nm and a half-value width of the absorption spectrum in the range of 15-55 nm.

This application discloses a display panel, a display device, and a method for manufacturing the display panel. A substrate, an anode, a pixel defining layer, a light-emitting layer, and a cathode are arranged in sequence. The cathode covers the light-emitting layer and the pixel defining layer. The filter layer is disposed on a side of the cathode facing away from the substrate. The second light-emitting region corresponds to the blue color filter. The second light-emitting region includes a blue light-emitting layer made of a blue light emitting material.

An image sensor may include a substrate including a plurality of photoelectric conversion parts, and a first optical filter and a second optical filter on a top surface of the substrate and spaced apart from each other in a first direction. The first optical filter comprises a stack structure and an optical absorption layer covering the stack structure, the stack structure extending in the first direction, the stack structure comprises a metal pattern and a dielectric pattern on the metal pattern, and the second optical filter comprises at least one of a red color filter, a green color filter, and a blue color filter.

A display that includes an image producing system and a light filtering layer in the blue range, the light filtering layer having a limited impact on the gamut of the display. The image producing system has a gamut G0 defined in a color space The light filtering layer includes semi-conductive nanoparticles, and the absorbance through the light filtering layer is greater than 0.25 for each light wavelength ranging from 350 nm to λcut, λcut being in the range from 420 nm to 450 nm. The gamut G1 of the image producing system with the filtering layer has an area greater than 90% of the area of gamut G0 in the color space.

A display substrate, including: a flexible base substrate, a display structure layer, and a color filter layer. The flexible base substrate includes: a first display region. The first display region includes: at least one sub-display region and at least one light-transmissive region. The display structure layer includes a plurality of first light-emitting units disposed on a flexible base substrate of the sub-display region. The color filter layer is arranged on a light exit side of the display structure layer and the at least one light-transmissive region. A color filter layer of the at least one light-transmissive region includes a plurality of blue filter units, or a color filter layer of the at least one light-transmissive region includes: first red filter units, first green filter units, and first blue filter units which are periodically arranged.

The utility model provides a full-automatic whiteness instrument and a spectrum regulation and control mechanism thereof, and belongs to the technical field of paper quality detection. The device comprises a front switching plate and a rear switching plate which are arranged between a light source generator and an integrating sphere, an ultraviolet cut-off filtering module is arranged on the front switching plate, a light hole is further formed in the ultraviolet cut-off filtering module, a blue light filter and a green light filter are arranged on the rear switching plate, the front switching plate and the rear switching plate are connected with a switching mechanism, and the switching mechanism is connected with a light source generator. And the front switching plate and the rear switching plate are respectively driven by the switching mechanism to move so as to change the spectrum entering the integrating sphere light source. The switching mechanism adopts an independent driving strategy, the driving precision is high, and a front switching plate and a rear switching plate can be quickly driven to move to a target position so as to flexibly and quickly switch different measurement modes; the parallel stacking layout of the front switching board and the rear switching board is allowed, the space can be effectively saved, the overall structure is more compact, and the optical path integration problem of compact equipment is solved.

The invention provides a high-temperature-resistant optical dissolved oxygen electrode and a preparation method thereof. The high-temperature-resistant optical dissolved oxygen electrode is suitable for measuring dissolved oxygen under a 121 DEG C high-temperature steam sterilization condition. The electrode comprises a film cap shell, a refractor, a refractor fixing ring, a refractor sealing ring, a first temperature sensor, a second temperature sensor, a red light filter, a red fluorescence detector, a blue light filter, a blue LED lamp, a lamp holder, a PCB-1, a PCB-2, an electrode stem, a PG13.5 connector and a multi-layer sealing structure. The electrode ensures optical path stability and sealing performance in a high-temperature environment through a high-temperature resistant material, such as a PEEK electrode contact and an EPDM sealing ring. Temperature compensation is provided in real time through the first temperature sensor and the second temperature sensor, and measurement precision is maintained. The preparation method comprises the steps of element assembly, optical positioning, sealing installation and high-temperature test calibration, and solves the problems of poor high-temperature resistance and insufficient sealing performance in the prior art. The electrode is stable in performance after high-temperature sterilization, accurate and reliable in measurement and suitable for industries such as biological fermentation and cell culture.

An electrophoretic display device includes a pixel structure and a color filter array. The area of the blue pixel electrode of the pixel structure is smaller than that of the red pixel electrode, and the area of the blue pixel electrode is smaller than that of the green pixel electrode. A red filter unit, a green filter unit and a blue filter unit in the color filter array have the same area and are respectively overlapped on the red pixel electrode, the green pixel electrode and the green pixel electrode. The ratio of the area of the red filter unit to the area of the red pixel electrode is RFF; the ratio of the area of the green filtering unit to the area of the green pixel electrode is GFF; the ratio of the area of the blue filtering unit to the area of the blue pixel electrode is BFF, and BFFgt; rFF > = GFF.

The present invention discloses a heat reflection light valve of an LCD (Liquid Crystal Display) projector and a projector. The heat reflection light valve comprises an upper glass substrate, a lower glass substrate and a liquid crystal box clamped between the upper glass substrate and the lower glass substrate, and a TFT (Thin Film Transistor) array is produced on the lower glass substrate; and a CF (Color Filter), a BM (Black Matrix), an OC (Over Coater), a transparent electrode and a post spacer are produced on the upper glass substrate. A layer of reflection film for reflecting blue light is produced on the inner surface of the upper glass substrate, and the reflection film is not produced in a region corresponding to a blue filter matrix of the CF.

Disclosed is a light emitting display device including a substrate having first to fourth subpixels, first to fourth anodes provided respectively on the first to fourth subpixels, an emission unit provided on the first to fourth anodes, the emission unit including two or more blue stacks and a phosphorescent stack including at least a yellowish green emission layer and a green emission layer, a cathode provided on the emission unit, a red filter and a color conversion layer provided between the substrate and the first anode, a green filter provided between the substrate and the second anode, and a blue filter provided between the substrate and the third anode, wherein the first anode has a first thickness, and at least one of the second to fourth anodes has a second thickness greater than the thickness of the first anode.

Imaging device and manufacturing method thereof The imaging device comprises a plurality of photodiodes, a color filter layer, and a meta-surface layer. The color filter layer is located above the plurality of photodiodes, the color filter layer comprising a blue filter, a red filter, a first green filter, and a second green filter. The meta-surface layer is located above the color filter layer and comprises a first pixel unit, the first pixel unit comprising a blue region above the blue filter, a red region above the red filter, a first green region above the first green filter, and a second green region above the second green filter.The first green region has a first central nano-post offset from the center of the first green region by a first longitudinal offset in a Y-axis direction and a first horizontal offset in an X-axis direction of the first central nano-post in top view.

A light-emitting display device according to one embodiment of the present specification may include a substrate including a red light-emitting part, a green light-emitting part, a blue light-emitting part, and a white light-emitting part spaced apart from each other; a red color filter provided in the red light-emitting part, a green color filter provided in the green light-emitting part, and a blue color filter provided in the blue light-emitting part; a first scattering pattern provided between the substrate and the green color filter; a second scattering pattern provided on the substrate of the white light-emitting part; an organic insulating layer covering the red color filter, the green color filter, the blue color filter, and the second scattering pattern; a light-emitting element provided on the organic insulating layer including a plurality of first electrodes spaced apart from each of the red light-emitting part, the green light-emitting part, the blue light-emitting part, and the white light-emitting part; and a bank exposing the red light-emitting part, the green light-emitting part, the blue light-emitting part, and the white light-emitting part of the plurality of first electrodes.

The utility model relates to the field of optical measurement, in particular to a distance measuring device of a measuring type narrow depth-of-field camera. The device comprises at least three monochromatic cameras, and each camera is configured to obtain a target object image in a preset depth-of-field range; comprising a red optical filter, a green optical filter and a blue optical filter and is installed in front of a lens of the monochromatic camera; and the driving motor is used for driving different optical filters in the rotary optical filtering assembly to be switched. The monochromatic photoreceptor and the rotary optical filter are combined, a smaller depth-of-field range can be obtained, a full-color image can be obtained finally, data are rapidly processed through image extraction and fusion, and the method is suitable for automatic driving and remote monitoring. The low-cost monochromatic camera is adopted to replace a color camera, the monochromatic photoreceptor and the rotationally-controlled optical filter are combined, the problem of precision waste can be solved, precision distribution can be flexibly adjusted, an efficient distance measurement scheme is provided, and the method is suitable for the field needing rapid distance information feedback.

Disclosed is an image sensing system including a first sub-pixel array having an arrangement of K×K pixels, where “K” is a natural number greater than 4, wherein the first sub-pixel array includes: first pixels disposed in a first diagonal direction and each having a green filter; second pixels disposed in a second diagonal direction that intersects the first diagonal direction and each having a red filter, and third pixels disposed in the second diagonal direction and each having a blue filter; and fourth pixels each having a white filter and disposed at the other positions except for arrangement positions of the first to third pixels disposed in the first and second diagonal directions, and fifth pixels suitable for measuring depth information, and the fourth pixels and the fifth pixels are disposed in a first pattern.

The imaging device 100 includes multiple photodiodes 116, a color filter layer 130, and a metasurface layer 150. The color filter layer is located on top of the multiple photodiodes and includes a blue filter B, a red filter, a first green filter G1, and a second green filter G2. The metasurface layer is located on top of the color filter layer and includes a first pixel unit, which includes a blue region BR on top of the blue filter, a red region on top of the red filter, a first green region GR1 on top of the first green filter, and a second green region GR2 on top of the second green filter. The first green region is offset from a center point GR1_C of the first green region by a first vertical shift in the Y-axis direction and a first horizontal shift in the X-axis direction of a first central nanopost 154B when viewed from above. [Effect] Improves the performance of imaging devices.

The invention discloses an image sensor, a reading method thereof and electronic equipment, and relates to the technical field of image sensors. The image sensor comprises a pixel array, wherein the pixel array comprises a plurality of basic pixel units which are arranged in m rows and n columns; the pixel array is divided into an effective pixel area and an edge weak photosensitive pixel area; wherein the edge weak photosensitive pixel area at least comprises a first row of basic pixel units and a first column of basic pixel units; the basic pixel units in the effective pixel area are used for sensing light and converting the light into effective color pixel signals; the first row of basic pixel units and the first column of basic pixel units are provided with weak light-transmitting optical filters; the weak light transmission optical filter is a blue optical filter or a red optical filter; the control module is electrically connected with the pixel array; the signal bandwidth can be reduced, and the requirements for the establishment time and the driving capability of the driving circuit can be reduced.

An OLED display panel, a preparation method thereof and a display device are provided. The OLED display panel includes a light-emitting layer and a light filter layer. The light filter layer includes a color filter film. The color filter film includes at least two of a red filter film, a green filter film and a blue filter film. At least two color filter films of different colors are alternately arranged in the light filter layer.

The present application provides a display device and a brightness correction method thereof. The display device includes a liquid crystal display panel, a backlight module, a camera module, a data processor, a memory, and a control chip. The backlight module includes a light board, a pillar, and an optical film, and the pillar is arranged between the optical film and the light board. The camera module includes three cameras, each of which is equipped with a red, green, and blue filter. The cameras are arranged near the pillar and are used to capture the color data of light passing through the pillar. The data processor is used to process the color data of light passing through the pillar obtained by the camera module and calculate brightness correction data for the portion of the liquid crystal display panel corresponding to the pillar based on the color data. The control chip is used to read the brightness correction data from the memory and correct the brightness of the portion of the liquid crystal display panel corresponding to the pillar based on the brightness correction data. The display device provided by the present application can improve the overall image quality performance of the liquid crystal display.

The present invention provides a multi-target tracking method and system based on a cross-Transformer data association algorithm, belonging to the field of artificial intelligence. To solve the problems that the existing traditional MTT algorithm based on radar data has high storage requirements and slow calculation speed, the learning-based algorithms need to constrain the number of targets, and the network design does not consider the typical features of position data, and it is impossible to distinguish between two crossing trajectories, which may result in missed detections or false detections. The present invention uses a cross-Transformer data association network and adopts a BLUE filter to obtain the best estimates in terms of the accuracy and efficiency of radar-based position measurements; in addition, a score-based trajectory management strategy is proposed to based on relevant historical measurements; Simulation experiments on various datasets show that the association and tracking methods proposed by the present invention are superior to existing methods in complex multi-target tracking scenarios, including trajectory crossing, a large number of false alarms and missed detections.