43results about How to "Image display is clear" patented technology

The invention provides an organic light-emitting diode (OLED) display screen. The display screen comprises a glass substrate, a circuit layer, an anode layer, an organic luminescent layer, a cathode layer, a touch control inductive layer and a touch control detection unit, wherein the circuit layer, the anode layer, the organic luminescent layer and the cathode layer are arranged on one side of the glass substrate. The OLED display screen integrated with a capacitive touch screen provided by the invention can perform accurate touch control operation and clear image display at the same time. Compared with the prior art, the display screen has the advantages of reducing a plurality of structural layers and effectively lowering production cost and manufacturing difficulty. Moreover, the capacitive touch screen can be integrated in a bottom luminous OLED display screen structure so that the application range of technology can be expanded greatly.

An organic electroluminescence device includes: an anode; a cathode opposed to the anode; and a plurality of emitting units including at least a first emitting unit and a second emitting unit. The plurality of emitting units each includes: an emitting layer; and an intermediate unit between the first emitting unit and the second emitting unit. The intermediate unit includes an electron injecting layer, a zinc oxide layer and a hole injecting layer in this sequence from the anode. The electron injecting layer contains an electron donating material and is adjacent to the first emitting unit. The hole injecting layer contains an organic electron accepting material and is adjacent to the second emitting unit.

The invention provides a high-precision full-automatic BGA repair workbench. The high-precision full-automatic BGA repair workbench comprises a handpiece portion mechanism, an X-axis motor, an X-axis sliding rail, a Y-axis sliding rail, a Y-axis motor, a picking-up mechanism, a PCB supporting device, a cooling device, a feeding mechanism, a preheating box, an X shaft, a Y shaft, a datum base plate, a preheating device, a lower hot-air mechanism, a lower CCD vision mechanism, an upper machine body cover and a lower machine body cover. The handpiece portion mechanism is arranged on the X-axis sliding rail and comprises a handpiece fixing base, a surface mounting mechanism, an upper heating mechanism, an upper CCD vision mechanism, a headpiece cover, a heating motor, a surface mounting motor, a heating motor fixing base, a surface mounting motor fixing base, a coupler, a lead screw fixing base, a lead screw and a Z-axis sliding rail. According to the high-precision full-automatic BGA repair workbench, a vision automatic alignment system is adopted, image capturing and locating are conducted on a PCB and a BGA through a CCD, accurate alignment and surface mounting are achieved through analysis and deviation rectification by image processing software, and the surface mounting precision can reach +/-0.025 mm; in this way, the consistency of work quality is guaranteed, and high-end precise electronic products are easily processed.

The present invention is one dressing suggesting system based on environment sensing capable of proposing dressing suggestion by means of intelligent analysis technology, sensor detection technology and skin detection technology. The system includes a comprehensive information acquiring module, an intelligent information analysis and integration module, and a reference diagram library. The comprehensive information of peripheral environment is first obtained, and then intelligently analyzed to obtain intelligent analysis result for proposing dressing suggestion to the user. The present invention makes it possible for the user to use cosmetics scientifically and reasonably.

The invention provides an image processing method, an image processing system and a display panel. The image processing method comprises the steps of: collecting background colors and content colors of an image; dividing the image into regions, and analyzing and judging whether the background color and the content color in each region are similar colors, wherein a difference between HSL color modes of the similar colors which are two colors is less than 20 % to 30%; and modifying the background color or content color to a complementary color thereof if the background colors and the content colors in each region are similar colors. The imaging processing method can enable the background color and the content color in each region of the integral image to be In sharp contrast, and endows the matching of the two colors with high color saturation, thus the content in the image can be seen clearly, and the display effect of the image is improved, especially the image display effect of transparent display.

The invention discloses a preparation method of a graphene conductive film, and belongs to the technical field of conductive film production. The method comprises the following steps that A. a nickelfilm layer is deposited on a glass substrate; and the method for depositing the nickel film layer is the magnetron sputtering method; B. a graphene oxide film layer is prepared: a graphene oxide aqueous solution is coated on the nickel film layer and dried under the condition of 60-90 DEG C so that the graphene oxide film layer of which the thickness is 20-30 microns is formed; C. a graphene layeris deposited: the graphene film layer is deposited on the graphene oxide layer by using a CVD method, wherein the thickness of the graphene film layer is 50-90 microns; and D. the semi-finished product obtained in the step C is cooled in post-treatment, the graphene oxide film layer is cleaned by dilute nitric acid after the temperature reduces to the room temperature, the surface nickel film layer is removed and then drying is performed so that the graphene conductive film can be obtained. The preparation method of the graphene conductive film has the advantages of low production cost and high efficiency.

The present invention provides a laser speckle blood flow imaging enhancement method. The laser speckle blood flow imaging enhancement method is configured to perform noise reduction processing and the repairing processing of the laser speckle blood flow imaging to enhance the sharpness of the laser speckle blood flow imaging. Because the laser speckle blood flow imaging enhancement method employs the BEEMD processing algorithm for the laser speckle blood flow imaging, the microvessel image is more clearly displayed and more details are reflected so as to reduce the influence of the vibration noise on the blood flow dispersed map; because the employed BEEMD algorithm can effectively avoid the information loss at the aspect of the image rank correlation of the original EEMD algorithm to retain the completer image information as much as possible prior to the noise reduction operation; and finally, because the employed BEEMD algorithm is far better than each two-dimensional empirical mode decomposition (BEMD) on the computation speed, so that the laser speckle blood flow imaging enhancement method has a positive effect on the real-time monitoring in vivo.

The invention discloses a preparation method of a conductive film and belongs to the technical field of conductive film production. The method includes the following steps A. Depositing a nickel layer: depositing a nickel film layer with a thickness of 2 nickel atoms on the glass substrate; B. Depositing graphene layer: using CVD method to deposit graphene film layer, the thickness of the graphene film layer is 50-100 μm; during the deposition process of the CVD method, the carbon source is methane, and the gas is H ₂ Mixed gas with He; C. Cleaning and drying: cool down the semi-finished product obtained in step B, and after the temperature drops to room temperature, clean the graphene film layer, remove the nickel film layer on the surface, and then dry it. Compared with the prior art, the invention has the advantages of low production cost, simple preparation method and high efficiency.

A piece of digital image display equipment with interactive information inputted in a wireless way is provided. The equipment comprises an LCD television with a wireless access end and a dynamic random memory, a position sensor with an induction contact, and a touch pad fitted with the position sensor. People can write and paint on the touch pad through the position sensor, the writing and the painting can be displayed in the LCD television in real time, and the image display is clear. Moreover, the position sensor has a function of positioning the touch pad hung in the air in real time. Compared with a normal LCD television, the LCD television has more humanized control equipments, thus interactive input equipments of the LCD television can really play a greater role in family formative education of children.

The invention discloses a method for preparing a conductive thin film, and belongs to the technical field of conductive thin film production. The method comprises the following steps of A, depositing a nickel layer: depositing a nickel thin film layer with a thickness which is equal to that of 1-2 nickel atoms on a glass substrate; B, depositing a graphene layer: depositing a graphene thin film layer by a CVD method, wherein the graphene thin film layer is 40-60[mu]m in thickness; in the CVD method deposition process, methane is used as the carbon source; the gas is a mixed gas of H<2> and He at a volume ratio of 2-5 to 1; and the volume ratio of methane to the mixed gas is 8-10 to 1; and C, cleaning and drying: reducing the temperature of the semifinished product obtained in the step B, then cleaning the graphene thin film layer after the temperature is reduced to the room temperature, next, removing the nickel thin film layer from the surface, and drying. Detection proves that the light transmittance of the conductive thin film prepared by the invention is greater than or equal to 85%. Compared with the prior art, the conductive thin film prepared by the invention has the advantages of low production cost, simple preparation method and high light transmittance.

A hologram screen 1 displays an image by diffracting and scattering image light 31 projected from an image projection apparatus 2. An upward/downward light scattering device 13, which scatters light incident from an upward/downward specific angle range spreading obliquely upward or downward, is placed on the image projection apparatus side of a hologram device 12 in the hologram screen 1. A leftward/rightward light scattering device 14, which scatters light incident from a leftward/rightward specific angle range spreading obliquely leftward and rightward, is placed between the hologram device 12 and the scattering device 13. The construction is such that the upward/downward specific angle range contains the incidence angle of the image light 31 on the hologram screen 1, and thus provides a hologram screen having good color reproducibility and which permits viewing of the background.

A domino system comprises dominoes, a computer and a measuring and controlling plate for containing the dominoes. Pressure sensors are evenly distributed on the measuring and controlling plate, the computer is in signal connection with the measuring and controlling plate, an LED lamp system with a developing function is further arranged on the measuring and controlling plate, and the LED lamp system is in signal connection with the computer. According to the structural design, the dominoes are the same as dominoes in the prior art. The domino system is especially provided with the computer and the measuring and controlling plate. The measuring and controlling plate comprises a measuring and controlling plate main body, and the pressure sensors are evenly distributed on the measuring and controlling plate main body. Thus, when the dominoes are placed on the measuring and controlling plate, the pressure sensors can monitor that the dominoes are already arranged on the measuring and controlling plate. Furthermore, the finishing situation of the dominoes can be judged according to a trigger range of the pressure sensors. The measuring and controlling plate is further provided with the LED lamp system. The LED lamp system can clearly display images through calculation and pattern drawing, so that the dominoes are very convenient to place.

The invention provides a projection screen and a projection system, and relates to the technical field of medium and long focus optical projection. The projection screen comprises an imaging element layer, an optical structure layer and a reflecting layer which are sequentially arranged in the thickness direction. The optical structure layer is composed of a plurality of rows of triangular prism structures which are arranged in a row, the cross section of the optical structure layer in the thickness direction is a plurality of rows of triangles which are arranged in a row, one side of each triangle is arranged on the surface of the imaging element layer, and the angle, away from the imaging element layer, of each triangle ranges from 70 degrees to 110 degrees; the projection system comprises the projection screen and a projection device. Through the arrangement, compared with diffuse reflection projection screens such as a white plastic screen and the like, the projection screen has the advantages of high brightness, high light energy utilization rate, low energy consumption, high graphic definition, good ambient light resistance and high contrast ratio, solves the problems of lowbrightness, low contrast ratio, unclear images and poor ambient light resistance of a traditional medium-long-focus projection system, and obtains an excellent projection display effect.

The invention discloses a preparation method for a graphene conductive thin film, and belongs to the technical field of conductive thin film production. The preparation method comprises the following steps of A, depositing a nickel layer: depositing a nickel thin film layer with a thickness which is equal to that of 1-3 nickel atoms on a glass substrate; B, depositing a graphene layer: depositing a graphene thin film layer by a CVD method, wherein the graphene thin film layer is 50-100[mu]m in thickness; and C, cleaning and drying: reducing the temperature of the semifinished product obtained in the step B, then cleaning the graphene thin film layer after the temperature is reduced to the room temperature, next, removing the nickel thin film layer from the surface, and drying. The preparation method has the advantages of low production cost and high efficiency.

The invention discloses a preparation method of a graphene conductive film, which belongs to the technical field of conductive film production. The method includes the following steps A. Depositing a nickel thin film layer: depositing a nickel thin film layer on a glass substrate; B. Depositing a graphene film layer: depositing a graphene film layer by CVD method, the thickness of the graphene film layer is 50-90 μm; C. Cleaning and drying: cool down the semi-finished product obtained in step B, and after the temperature drops to room temperature, clean the graphene film layer with dilute nitric acid, remove the nickel film layer on the surface, and then dry it. The invention has the advantages of low production cost and high efficiency.

According to the dark image enhancement method based on Retinex, an image is converted from an RGB image to an HSV image, and the method is more in line with human vision. All the layers are directly connected together. In the novel architecture, the input of each layer consists of the feature mapping of all previous layers, and the output of each layer is transmitted to each subsequent layer. The feature maps are aggregated by a deep cascade. The depth of the neural network is improved, and the gradient disappearance problem is solved. An original network is up-sampled at the tail end of the network by using a nearest neighbor method to achieve a high-resolution size, compared with the original network, the improved EnhanceNet network adopts a bilinear interpolation up-sampling method, and by adopting the method, learning is not needed, the running speed is high, and the operation is simple. Only a fixed parameter value needs to be set, and the set parameter is a coefficient which needs to be multiplied by the central value. And compared with the original nearest neighbor algorithm up-sampling, the new up-sampling method can display the image more clearly, and the network effect is further improved.

The present invention is suitable for the technical field of image display devices, and provides a projection device. The projection device comprises a housing and a light source device, a color separation device, a light modulation device, an image combination device and an optical projection device which are arranged in the housing. The light source device comprises one or more than one quasi natural light LED light sources which emit quasi natural light, the relative spectrum power of the red light in the quasi natural light is larger than 0.60, the relative spectrum power of the cyan lightin the quasi natural light is larger than 0.30, the relative spectrum power of the blue light in the quasi natural light is smaller than 0.75, the blue light colour index is smaller than 5.7%, and the color rendering index of the quasi natural light is larger than 95. The projection device employs the natural light LED light sources to form a light source module arranged in the housing to providea comfortable and pleasant luminous environment being closer to the sunlight, improves the contrast and the saturability after the image combination, reduces the blue light relative spectrum power, improves the color rendering index and can effectively reduce the damaging of the blue light for human bodies' eyes.

The invention provides a MicroLED display panel and a forming method thereof. The display panel comprises a driving wafer, a MicroLED chip unit and a micro lens array, wherein the driving wafer is bonded with the MicroLED chip unit, the micro lens array comprises micro lenses which are distributed in an array, the micro lenses are hemispherical, and one side of the spherical surface of each micro lens faces the MicroLED chip unit. Therefore, light beams emitted by the MicroLED chip unit irradiate the spherical surface of the micro lens and are converged after being refracted, and better optical matching between the MicroLED chip unit and the micro lens array is realized, so that the light extraction efficiency is improved, the focusing of emergent light rays is more concentrated, the image display is clearer, and the light extraction efficiency is improved.

An electrical impedance tomography image reconstruction method based on a residual network comprises the following steps: 1) manufacturing a human skull model and a heterogeneous object by adopting MIT equipment, and designing different frequencies for data acquisition; 2) converting the acquired data from a one-dimensional vector form into a multi-channel matrix form similar to a picture; 3) aiming at imaging problem particularity, modifying a residual error network structure, and customizing a training loss function for training; and 4) generating data by adopting a training result to process image processing and optimization. According to the method, training is carried out by combining the deep learning technology with the actual MIT equipment acquired data, and compared with a traditional imaging method, the contour of an imaged object can be finer, and the position of the imaged object can be more accurate.