Abstract: Provided are a gradient steel material having a surface layer with ferrite and an inner layer with ferrite+pearlite, and a manufacturing method, the weight percentages of the components are: C?0.15%, Si?1%, Mn?1.5%, the balance of Fe and inevitable impurities, and the surface layer of the steel material is ferrite, the inner layer is ferrite+pearlite. The manufacturing method thereof includes: smelting, casting, rolling, heat treatment; wherein, in the heat treatment step, the steel material is heated above the austenitizing temperature Ac3, and hold at the temperature more than 3 min to ensure that the material is completely austenitized; subsequently, it is cooled to a temperature below Ar1 at a cooling rate lower than 0.5° C./s. The present steel material does not need to be obtained by means of the compound preparation of different materials, and is only processed and prepared by a single material, the process is short, the procedure is simple, and the cost is low.

Abstract: The present disclosure provides a case for an electronic device and a magnetic assembly. The case includes a side wall, a back wall connected with the side wall to define a receiving cavity for receiving the electronic device, and a magnetic assembly, the magnetic assembly includes a support member connected with the side wall or the back wall, and a magnetic alignment member, the support member is capable of moving relative to the side wall or the back wall, so as to support the case, the magnetic alignment member is detachably or fixedly connected with the support member connected with the back wall or the side wall. The case of the present disclosure is convenient to use.

Abstract: The present disclosure provides a case for an electronic device and a magnetic assembly. The case includes a side wall, a back wall connected with the side wall to define a receiving cavity for receiving the electronic device, and a magnetic assembly, the magnetic assembly includes a support member connected with the side wall or the back wall, and a magnetic alignment member, the support member is capable of moving relative to the side wall or the back wall, so as to support the case, the magnetic alignment member is detachably or fixedly connected with the support member connected with the back wall or the side wall. The case of the present disclosure is convenient to use.

Abstract: An embodiment of the present disclosure discloses a multifunctional dimming power supply circuit for an LED light source, including an alternating-current input circuit, an alternating-current/direct-current (AC/DC) circuit, a feedback control loop, an output circuit, a low dropout regulator (LDO) power circuit, a micro control unit (MCU) minimum system, a data storage circuit, a parameter setting circuit, and a Class2 acquisition circuit. By using the parameter setting circuit, a user can set different output powers, different color temperature values, and different dimming curves as required. Thus, the output circuit drives the LED light source according to parameters set by the user.

Abstract: This application describes a method for manufacturing storage containers by spirally winding with multiple bundles of fibers. Two sets of yarn guide nozzles distributed in a circumferential array form a first spiral winding structure and a second spiral winding structure respectively, and a spiral winding device with the two layers of spiral winding structures cooperates with feeding devices carrying wound containers, to realize the spiral winding of the multiple bundles of fibers on the wound containers; the feeding devices drive the wound containers to do axial reciprocating motion and axial rotation, and the spiral winding device drives the yarn guide nozzles to do radial telescopic motion and self-rotation motion; and according to the lengths of axial dimensions of the wound containers, single-station double-layer spiral winding or double-station single-layer spiral winding is selected.

Abstract: The present disclosure provides a case for an electronic device and a magnetic assembly. The case includes a side wall, a back wall connected with the side wall to define a receiving cavity for receiving the electronic device, and a magnetic assembly, the magnetic assembly includes a support member connected with the side wall or the back wall, and a magnetic alignment member, the support member is capable of moving relative to the side wall or the back wall, so as to support the case, the magnetic alignment member is detachably or fixedly connected with the support member connected with the back wall or the side wall. The case of the present disclosure is convenient to use.

Abstract: The present disclosure discloses a multifunctional dimmable driving power supply, including an alternating current (AC) input, a high-power factor correction circuit, an AC/direct current (DC) conversion circuit, a load, a phase-cut input signal, an analog input signal, a micro control unit (MCU) control module, a multishift switching device, a metal oxide semiconductor field effect transistor (MOSFET) driving circuit, a rotational potentiometer, and a temperature sensor module. The multishift switching device on the power supply is used to select different frequency outputs, switch different color temperature values, and select different curve outputs, so that the multifunctional dimmable driving power supply has high universality.

Abstract: Provided is a junction box with a screw-free rotary flip cover used for a lighting device. The junction box comprises a junction box main body, a first cover body and a second cover body. The junction box main body is provided with a first accommodating space and a second accommodating space. The first cover body of the junction box is fixedly connected with the junction box main body and covers the first accommodating space. The second cover body is rotatably connected with the first cover body. When the second cover body rotates relative to the first cover body, the second cover body can cover or open the second accommodating space. Electrical components are mounted in the first accommodating space and the second accommodating space.

Abstract: An embodiment of the present disclosure discloses a multifunctional dimming power supply circuit for an LED light source, including an alternating-current input circuit, an alternating-current/direct-current (AC/DC) circuit, a feedback control loop, an output circuit, a low dropout regulator (LDO) power circuit, a micro control unit (MCU) minimum system, a data storage circuit, a parameter setting circuit, and a Class2 acquisition circuit. By using the parameter setting circuit, a user can set different output powers, different color temperature values, and different dimming curves as required. Thus, the output circuit drives the LED light source according to parameters set by the user.

Abstract: A method of and a display control device for emulating OLED degradation for an OLED display panel are proposed, where the OLED display panel includes pixels, and each of the pixels includes subpixels. The method includes the following steps. A current image signal is received. A driving signal level for each of the subpixels is determined based on the current image signal. An actual surface temperature of each of the subpixels is estimated based on the corresponding driving signal level. An accumulated stress of each of the subpixels is computed based on the corresponding driving signal level, the corresponding actual surface temperature, and at least one previous image signal prior to the current image signal. A degradation map that emulates OLED degradation of the OLED display panel is generated based on the accumulated stress of each of the subpixels.

Abstract: A method of and a display control device for emulating OLED degradation for an OLED display panel are proposed, where the OLED display panel includes pixels, and each of the pixels includes subpixels. The method includes the following steps. A current image signal is received. A driving signal level for each of the subpixels is determined based on the current image signal. An actual surface temperature of each of the subpixels is estimated based on the corresponding driving signal level. An accumulated stress of each of the subpixels is computed based on the corresponding driving signal level, the corresponding actual surface temperature, and at least one previous image signal prior to the current image signal. A degradation map that emulates OLED degradation of the OLED display panel is generated based on the accumulated stress of each of the subpixels.

Abstract: The image processing apparatus includes a sticking model circuit and a dynamic adjustment circuit. The sticking model circuit correspondingly provides degradation information according to pixel data of a current pixel. The dynamic adjustment circuit dynamically adjusts original image data of the current pixel according to the degradation information to generate output data. The dynamic adjustment circuit converts a first sub-pixel of the current pixel to at least one second sub-pixel of the current pixel when luminance is maintained. The dynamic adjustment circuit provides the output data to the sticking model circuit.

Abstract: An image adjustment method comprises: generate a grayscale value of a target pixel by weighted averaging a plurality of input sub-pixel data of the target pixel; calculate an average of grayscale values of all pixels comprising the target pixel in a first window to generate a foreground value of the target pixel; calculate an average of grayscale values of all pixels comprising the target pixel in a second window to generate a background value of the target pixel; according to the foreground value of the target pixel and the background value of the target pixel, obtain a just-noticeable difference value in a look-up table as a grayscale difference value; generate an adjusted grayscale value of the target pixel according to the grayscale difference value; and generate a plurality of output sub-pixel data according to the plurality of input sub-pixel data of the target pixel and the adjusted grayscale value.

Abstract: The disclosure provides an image adjustment device configured to be different modes according to whether the adopted display is a light emitting diode display or a liquid crystal display, and including a duty cycle calculator, an intensity calculator and a compensator. In a first mode, the duty cycle calculator determines a respective type of each segment according to brightness information of each segment, and sets a duty cycle value according to the type of the segment. In a second mode, the duty cycle calculator calculates the duty cycle value according to the brightness information of each segment. The intensity calculator calculates the pixel intensity of the segment based on the duty cycle value and a light diffusion coefficient set. The compensator generates a pixel gain value according to the intensity value of each pixel of the segment, and adjusts the pixel value according to the pixel gain value.

Abstract: A method and an image processing device for image color enhancement are proposed. The method includes the following steps. An input image having input pixels is received, where each of the input pixels includes a luminance component and two chrominance components. A saturation gain of each of the input pixels is determined according to the chrominance components thereof. The chrominance components of each of the input pixels are adjusted according to the saturation gain thereof so as to generate enhanced pixels. An enhanced image is outputted according to the enhanced pixels.

Abstract: The disclosure provides an image processing apparatus and an operation method thereof. The image processing apparatus includes a sticking model circuit and a dynamic adjustment circuit. The sticking model circuit correspondingly provides degradation information according to pixel data of a current pixel. The dynamic adjustment circuit dynamically adjusts original image data of the current pixel according to the degradation information to generate output data. The dynamic adjustment circuit converts a first sub-pixel of the current pixel to at least one second sub-pixel of the current pixel when luminance is maintained. The dynamic adjustment circuit provides the output data to the sticking model circuit.

Abstract: A method of controlling a display device is disclosed including receiving a plurality of sub-pixel values for a target pixel among a plurality of pixels of an image frame, wherein the sub-pixel values of the target pixel comprise red, green, and blue sub-pixel values; calculating a pixel-based boosting ratio corresponding to the target pixel according to the sub-pixel values of the target pixel; and adjusting at least one of a plurality of backlight duties associated with the target pixel and the plurality of sub-pixel values of the target pixel according to the pixel-based boosting ratio.

Abstract: A method and an image processing device for image color enhancement are proposed. The method includes the following steps. An input image having input pixels is received, where each of the input pixels includes a luminance component and two chrominance components. A saturation gain of each of the input pixels is determined according to the chrominance components thereof. The chrominance components of each of the input pixels are adjusted according to the saturation gain thereof so as to generate enhanced pixels. An enhanced image is outputted according to the enhanced pixels.

Abstract: The disclosure provides an image adjustment device configured to be different modes according to whether the adopted display is a light emitting diode display or a liquid crystal display, and including a duty cycle calculator, an intensity calculator and a compensator. In a first mode, the duty cycle calculator determines a respective type of each segment according to brightness information of each segment, and sets a duty cycle value according to the type of the segment. In a second mode, the duty cycle calculator calculates the duty cycle value according to the brightness information of each segment. The intensity calculator calculates the pixel intensity of the segment based on the duty cycle value and a light diffusion coefficient set. The compensator generates a pixel gain value according to the intensity value of each pixel of the segment, and adjusts the pixel value according to the pixel gain value.