34results about How to "Brightness effect" patented technology

The invention relates to an OLED pixel circuit and a driving method thereof, a display panel and a display device. The OLED pixel circuit comprises a charge control module, a driving transistor, a reset control module, a light emitting control module and a light emitting device, wherein the charge control module is connected with a data line and the reset control module, and is used for introducing data signals provided by the data line to the reset control module, and the reset control module is connected with the driving transistor, and is used for resetting and compensating the driving transistor according to the data signals, so that a control electrode of the driving transistor has a first preset electric potential; the driving transistor is used for generating driving current allowing the light emitting device to emit light according to the electric potential of a source electrode and the first preset electric potential of the control electrode, and the light emitting control module is connected between the driving transistor and the light emitting device, and is used for controlling the driving transistor and the light emitting device to be connected or disconnected. According to the OLED pixel circuit, the impact of the attenuation of reference voltage signals and the change in threshold voltage on display effect can be avoided.

The present invention provides a backlight adjustment method, a backlight adjustment system and a display device. The backlight adjustment method comprises: dividing a frame of picture into n image blocks, obtaining the sub-backlight brightness corresponding to each image block, and further comprises: calculating an average backlight brightness corresponding to the frame of the picture on the basis of each sub-backlight brightness, determining whether the sub-backlight brightness needs to be enhanced on the basis of the average backlight brightness, and performing enhancement for the sub-backlight brightness which needs to be enhanced, wherein n is an integer greater than 1. The backlight adjustment method not only solves the problems of reduced brightness for bright picture and poor display effect associated with existing backlight adjustment method, but also reduces the overall display power consumption, increase the image contrast and reduce influence of mora (ripple phenomenon) on the screen.

The invention relates to a method and device for adjusting brightness between equipment in a linkage manner, and the equipment. The method for adjusting brightness between the equipment in the linkage manner comprises the following steps: first equipment obtains brightness adjusting information sent by second equipment in the same local area network; and the brightness of the first equipment itself is adjusted according to the corresponding relationship of the brightness adjusting information and pre-set brightness. By means of the scheme in the embodiment of the invention, intelligent linkage of brightness between different equipment can be realized; and thus, different equipment respectively adjusts according to brightness of each other, so that brightness is automatically changed.

The invention relates to a luminance control circuit, which is suitable for controlling luminance of light module. Reference voltage source is used for providing reference voltage level. Light sensitive module is used for generating first current passing through light sensitive module based on lighting strength. Charging module is connected between light sensitive module and ground, and generates charging level according to first current upon electric voltage node. Voltage control circuit includes comparator and diode, wherein the comparator comprises positive input terminal connected to reference voltage source, negative input terminal connected to voltage node, and first output terminal, outputs corresponding comparative signal according to relation between reference electric level and charging level, and the diode is connected between negative input terminal and first output terminal. The switch is connected to voltage control circuit, and provides second current passing through luminous module according to comparative signal.

The invention discloses an optical fingerprint sensor module and a forming method thereof. The optical fingerprint sensor module comprises an optical fingerprint sensor; a photochromic layer is positioned on the optical fingerprint sensor; the photochromic layer is used for realizing discoloration under the irradiation of ultraviolet light with first intensity so as to selectively cut off light ina characteristic wavelength range; the photochromic layer has a first light transmittance to the light in the characteristic wavelength range under the irradiation of ultraviolet light with a first intensity; the photochromic layer has second light transmittance for the light in the characteristic wavelength range under the irradiation of ultraviolet light with second intensity, the first intensity is greater than or equal to cut-off threshold intensity, the second intensity is smaller than the cut-off threshold intensity, and the first light transmittance is smaller than the second light transmittance. The performance of the optical fingerprint sensor module is improved.

A luminous components circuit frame is used to join the luminous components in flexible printing circuit. Multiple luminous components can also form this frame, and the multiple luminous components circuit is paralleled in the flexible circuit board. Each luminous component at least first component located on the first side of flexible circuit board and second component located on the second side of flexible circuit board. The input current is on first side and through first and second luminous components and is outputted from second side.

The invention discloses a display screen with a mirror surface hiding effect, which comprises a mirror surface display screen body and a frame. First positioning blocks which are symmetrically distributed are arranged on the upper side and the lower side of the mirror surface display screen body, mounting grooves corresponding to the first positioning blocks in position and number are formed in the front surface of the frame, and first positioning grooves are formed in the inner walls of the mounting grooves. According to the display screen with a mirror surface hiding effect, through cooperative use of the mirror surface display screen body, the frame, the first positioning blocks, first springs, fixing blocks, limiting rods, fixing grooves, the mounting grooves, the first positioning grooves, positioning plates, first through grooves, operation grooves and limiting blocks, the mirror surface display screen body is mounted in such a manner that disassembly of the frame is completely avoided, the mirror surface display screen body is convenient to overhaul and install, and meanwhile the installation mode of the mirror surface display screen body completely avoids a traditional buckle type fixing mode.

The invention discloses electronic equipment and a brightness control method, and belongs to the field of communication equipment. The electronic equipment comprises a display module, a processor and at least two photoelectric PN junctions, wherein the display module comprises a plurality of unit pixels; at least two photoelectric PN junctions are installed on at least two unit pixels in a one-to-one correspondence mode, all the photoelectric PN junctions are arranged on the display side of the display module, and the photoelectric PN junctions can change the output voltage value according to the received light intensity; the display module and each photoelectric PN junction are connected with the processor, the processor can adjust the brightness of the corresponding unit pixel according to the change value of the output voltage of each photoelectric PN junction, and the change value is in positive correlation with the brightness change condition of the corresponding unit pixel. According to the technical scheme, the problem that the cruising ability of current electronic equipment is poor can be relieved.

The invention discloses a time-sharing driving circuit for an auto-stereoscopic display optical fiber backlight source which comprises a 3D video signal, a control chip, a control chip power supply, aperiodic pulse duty ratio adjusting circuit, an MOS driving circuit, a driving power supply, three paths of light-emitting LEDs and an optical fiber bundle. The 3D video signal is connected with thecontrol chip to provide a pulse signal; the control chip power supply is connected with the control chip to provide power; the periodic pulse duty ratio adjusting circuit is connected with the controlchip so as to adjust the periodic pulse duty ratio output to the MOS drive circuit by the control chip. The control chip is connected with the MOS driving circuit to output a periodic pulse signal; the MOS driving circuit is connected with the three paths of light-emitting LEDs; and the three paths of LEDs are connected with the optical fiber bundle so as to guide light into the optical fibers. The left parallax image and the right parallax image played on the liquid crystal image display screen are projected to the left eye and the right eye of a viewer respectively, and naked eye 3D displayis achieved.

The invention provides a power cable marking pile and a burying method, and belongs to the technical field of power construction, the power cable identification pile comprises an identification pile body and a base, and the identification pile body comprises a marking part arranged at the upper part and a burying part arranged at the lower part; the marking pile body is a hollow cylinder, and mounting surfaces which are symmetrical in pairs are arranged around the marking pile body; the burying part comprises a first long hole and a first round hole which are formed in the mounting surface of the lower part of the hollow cylinder; the base comprises a base and a supporting plate arranged on the base; a second round hole and a second long hole are formed in the supporting plate; the first long hole and the second round hole are connected through a screw rod with a limiting block; the first round hole and the second long hole are connected through a bolt. The height of the identification pile can be adjusted by adjusting the connecting position of the supporting plate and the identification pile body according to the depth of a foundation pit, the structure is simple and firm, operation is convenient, pedestrians, vehicles and constructors can be reminded, burying firmness is enhanced, and meanwhile the obvious warning effect is achieved.

The invention discloses an integrated sewing machine illuminating lamp. The lamp comprises a lamp body, the lamp body comprises a shell with an upper opening, a cover body which is used for sealing the upper opening, and a movable sheet which is connected onto the cover body in an opened and closed mode, and a magnetic device which is used for being attracted on a sewing machine portion is arranged on the movable sheet; a luminophor light source emission hole is formed in the shell, power devices, a luminescent lamp source and power devices which are used for providing power are arranged in the shell, and an outward convex power switch is arranged on the side surface of the shell; the movable sheet comprises a connection end, two separated connection ends are also arranged on the cover body in a downward convex mode, matched communication holes are formed in the connection ends of the movable sheet and the cover body, and the communication holes of the movable sheet and the cover bodyform a penetrating hole which a connection shaft can penetrate through. According to the integrated sewing machine illuminating lamp, the power devices which control lamplight are gathered in the shell, the size is greatly reduced, and the problem is solved that a long circuit influences the work.

The invention belongs to the technical field of road lighting, and particularly relates to a wind-resistant energy-saving road lamp which comprises a lamp post, an annular fixing block is fixedly connected to the lower surface of the lamp post, threaded holes are formed in the upper surface of the annular fixing block, an access door is arranged on the outer surface of the lamp post, and the outersurface of the lamp post is fixedly sleeved with an annular fixing table. According to the wind-resistant energy-saving road lamp, the fixing device is arranged on the outer surface of the lamp postand comprises a fixing ring, and the inner wall of the fixing ring is fixedly connected with the outer surface of the lamp post in a sleeving mode, so that a solar cell panel at the top of the lamp post fully absorbs solar energy, and the problem that an existing solar cell panel cannot be moved, so that solar energy cannot be fully absorbed, and insufficient power storage and insufficient power supply are likely to occur at night is solved.