Abstract: A display system includes a pixel array, an antenna, a reader circuit, and a gate driver circuit. The antenna is configured to transmit a radio frequency (RF) signal in response to a wireless communication. The reader circuit is coupled to the antenna and is configured to receive the RF signal. The gate driver circuit is coupled to the reader circuit and the pixel array. The reader circuit is further configured to generate a clock signal according to the RF signal and transmit the clock signal to the gate drive circuit. The gate driver circuit is configured to generate scanning signals according to the clock signal and transmit the scanning signals to the pixel array.

Abstract: The present disclosure provides a shift register and a method of driving the same, a gate driving circuit, and a display apparatus. The shift register includes an input circuit, an output circuit, a reset circuit, a control circuit, and a pull-down circuit. The control circuit is configured to, in response to a potential at the pull-up node, transmit a reference signal received at a reference signal terminal to a first pull-down node and/or a second pull-down node under control of a first control signal received at a first control signal terminal and a second control signal received at a second control signal terminal.

Abstract: The present invention provides a display method of a display panel, a drive circuit, a display device and a computer-readable storage medium. The method comprises: acquiring remaining ratios of subpixels of respective colors in each irregular pixel, the remaining ratio being a ratio of the opening area of the subpixel in the irregular pixel and the opening area of the subpixel of the same color in the regular pixel; determining actual light intensities of respective subpixels in each irregular pixel according to remaining ratios and corresponding original light intensities of the respective subpixels; causing respective subpixels in each irregular pixel to display corresponding actual light intensities.

Abstract: A display control device includes: an input part receiving an input signal including gray levels of the first color, the second color and the third color constituting a color for each of the plurality of pixels; a selection part selecting at least one of the plurality of pixels as a selection pixel and other of the plurality of pixels as a non-selection pixel; and an output part outputting an output signal controlling luminances of the first sub-pixel, the second sub-pixel, the third sub-pixel and the fourth sub-pixel based on the input signal, wherein at least one of the first sub-pixel, the second sub-pixel and the third sub-pixel of the non-selection pixel is controlled to have a luminance of 0 according to the output signal, and wherein the fourth sub-pixel of the selection pixel is controlled to have a luminance of 0 according to the output signal.

Abstract: Systems and methods for a six-primary color system for display. A six-primary color system increases the number of primary colors available in a color system and color system equipment. Increasing the number of primary colors reduces metameric errors from viewer to viewer. The six-primary color system includes Red, Green, Blue, Cyan, Yellow, and Magenta primaries. The systems of the present invention maintain compatibility with existing color systems and equipment and provide systems for backwards compatibility with older color systems.

Abstract: Provided are a pixel arrangement structure, a display panel, and a display apparatus. The pixel arrangement structure includes a plurality of first sub-pixels, a plurality of second sub-pixels, and a plurality of third sub-pixels, and the plurality of first, second and third sub-pixels form a plurality of virtual polygons. In each virtual polygon, the second sub-pixels and the third sub-pixels are located at a first vertex and a second vertex of the virtual polygon, respectively, the first vertex and the second vertex are alternated and spaced apart from each other, the first sub-pixel is located inside the virtual polygon, a first distance from a center of the first sub-pixel to a center of any third sub-pixel is equal, a second distance from a center of the first sub-pixel to a center of any second sub-pixel is equal, and the first distance is equal to the second distance.

Abstract: The present disclosure provides a display panel, a transparent OLED substrate and an OLED substrate. The transparent OLED substrate includes: a base substrate; a first electrode layer located on the base substrate; a light emitting structure layer located on the first electrode layer and including light emitting structures of n colors, n?1; and a second electrode located on the light emitting structure layer. The first electrode layer includes electrode groups arranged along a first direction, each electrode group includes first electrode(s), each first electrode extends along a second direction perpendicular to the first direction. When a driving voltage is between each first electrode and the second electrode, the transparent OLED substrate performs a display function; and otherwise, the transparent OLED substrate performs a light transmission function.

Abstract: A display device including a plurality of sub-pixel arrays is provided. Each of sub-pixel arrays includes a plurality of first sub-pixels, at least one second sub-pixel and at least one third sub-pixel. The first sub-pixels have a first color and form a plurality of vertexes of a virtual quadrilateral. There is not any other first sub-pixels having the first color located in the virtual quadrilateral. The second sub-pixel has a second color different from the first color and is located in the virtual quadrilateral. The third sub-pixel has a third color different from the first color and the second color and is located in the virtual quadrilateral.

Abstract: Some embodiments provide a method including determining one or more areas of a display to remain active responsive to received user input, determining one or more areas to be dimmed responsive to the received user input, and dimming the one or more areas of the display to be dimmed to reduce a power consumption of the display. The user input may include mouse cursor, keyboard, touch, eye position or movement information, voice commands, or a power policy of an electronic device including the display. The dimming may include dimming pixels of the display in the one or more areas of the display to be dimmed or changing a color of such pixels. The display may include multiple displays and the dimming including dimming areas on multiple ones of displays, including turning off one or more of the displays. The dimming may be turned and off based on user input.

Abstract: The present disclosure provides a compensation method for a display panel, a compensation system for a display panel, and a display device. The display panel includes a plurality of sub-pixels, and the compensation method includes: respectively determining a current aging degree coefficient of each sub-pixel according to historical display data of the sub-pixel; and, for each sub-pixel, performing aging compensation on the sub-pixel according to the current aging degree coefficient of the sub-pixel when a current frame is displayed. The present disclosure further provides a compensation system for a display panel, and a display device.

Abstract: A display device includes: a display panel including a display area including pixels and a non-display area adjacent to the display area; a first driving integrated circuit including a first ground terminal, where the first driving integrated circuit is electrically connected to the display panel; a first printed circuit board electrically connected to the first driving integrated circuit; a first plate disposed on a bottom surface of the display panel and overlapping with the first driving integrated circuit; and a second plate disposed on the bottom surface of the display panel and spaced apart from the first plate, where the second plate is electrically connected to a system ground.

Abstract: A method and device for monitoring luminous intensity of display pixel is provided. The device includes self-luminous LED display, optical glue, photo-detecting array film and processing chip. The optical glue is attached to lower surface of the self-luminous LED display. The photo-detecting array film is disposed under the optical glue. The self-luminous LED display includes display pixels. Each display pixel includes a luminescent layer. The refractive index of the optical glue is smaller than that of the cover glass. The device uses the optical glue to filter the reflected light in the effective area corresponding to each display pixel. After that, the processing chip calculates the luminous intensity of the display pixel according to the first reflected optical signal detected by the photo-detecting array film. When it is determined that the luminous intensity of the display pixel is not changed in the preset period, a feedback signal is transmitted.

Abstract: A pixel circuit, an array substrate, and a display panel. The pixel circuit includes an initializing device, a data writing device, a control device, and a current supplementing device. In a light-emitting phase of a driving period of the pixel circuit, a control signal controls the control device to generate a first driving current, and controls the current supplementing device to generate a second driving current. The first driving current and the second driving current are transmitted to a light-emitting unit, and drive the light-emitting unit together for light emission. Currents flowing through the control device and the current supplementing device, respectively, are reduced while meeting a requirement of providing a large driving current to the light-emitting unit. A control capability of the pixel unit on a current of the light-emitting unit is less likely to be weakened, and a display effect is improved.

Abstract: Systems and methods to achieve desired color accuracy, power consumption, and gamma correction in an array of pixels of a micro-LED display. The method and system provides an array of pixels, wherein each pixel comprising a plurality of sub-pixels arranged in a matrix and a driving circuitry configured to provide an individual emission control signal to each sub-pixel of each pixel in the array of pixels to independently control a emission time and a duty cycle of each sub-pixel.

Abstract: A display device includes a display panel including a display region and a non-display region surrounding the display region, a plurality of a light-emitting units arranged at the display region; a touch circuit connected to the display panel, and configured to detect touch information when the display panel is touched; a control circuit connected to the touch circuit and the display panel, and configured to control a corresponding light-emitting unit to emit a predetermined light beam in response to the touch information; a photosensing circuit connected to the display panel and the control circuit, and configured to sense the predetermined light beam and convert it into an electric signal; and a data processor connected to the control circuit and the display panel, and configured to process the electric signal acquired by the photosensing circuit through conversion to acquire monitoring data, and display the monitoring data on the display panel.

Abstract: A display device, a display panel thereof, and an OLED array substrate. The OLED array substrate includes a display area, and the display area includes a non-transparent display area and a transparent display area. The non-transparent display area is provided with first OLED sub-pixels arranged in an array, and the transparent display area is provided with second OLED sub-pixels in one row and several columns. When the columns of second OLED sub-pixels are driven, the transparent display area performs a display function; when the columns of second OLED sub-pixels are not driven, the transparent display area performs a light transmitting function.

Abstract: A display device including a substrate and a plurality of pixels in a display region of the substrate. Each of the pixels includes first and second sub-pixels, and each of the first and second sub-pixels has a light emitting region for emitting light. The first sub-pixel includes a first light emitting element in the light emitting region and configured to emit visible light. The second sub-pixel includes a second light emitting element in the light emitting region and configured to emit infrared light and a light receiving element configured to receive the infrared light emitted from the second light emitting element to detect a user's touch. The second light emitting element and the light receiving element in the second sub-pixel are electrically insulated from and optically coupled to each other to form a photo-coupler.

Abstract: A display device includes: a display region including a first pixel region, a second pixel region, and a third pixel region; a dummy region including a first dummy region disposed between the second pixel region and the third pixel region; first, second, and third pixels respectively arranged in the first pixel region, the second pixel region, and the third pixel region in a matrix of vertical lines and horizontal lines; a data converter configured to: receive first image data including effective data corresponding to the display region and dummy data corresponding to the dummy region; and generate second image data by converting a gray scale value of dummy data corresponding to at least one region of the first dummy region in the first image data into a predetermined first gray scale value, the first gray scale value being between a lowest gray scale value and a highest gray scale value.

Abstract: In an embodiment of the present disclosure, there is provided a display device including: a plurality of subpixels between a line of a first power voltage and a line of a second power voltage, the plurality of subpixels configured to be supplied with a driving current and to emit light in response to the driving current; and a power supply unit configured to generate the first power voltage and the second power voltage based on an external input voltage, wherein the power supply unit generates power when the external input voltage corresponds to between a preset maximum voltage and a minimum voltage, and the power supply unit reduces a voltage difference between the first power voltage and the second power voltage when the external input voltage corresponds to between a preset reference voltage and the minimum voltage.

Abstract: An image display device includes: a pixel array part formed of first to fourth scanning lines arranged in rows, signal lines arranged in columns, pixel circuits in a matrix connected to the scanning lines and signal lines, and a plurality of power source lines which supplies first to third potentials necessary for the operations of pixel circuit; a signal part which supplies a video signal to the signal lines; and a scanner part which supplies a control signal to the first to fourth scanning lines, and in turn scans the pixel circuit for every row, wherein the pixel circuits include a sampling transistor, a drive transistor, first to third switching transistors, a pixel capacitance, and a light emitting device, and a channel length of the drive transistor is made longer than a channel length of the switching transistors to suppress fluctuations in threshold voltage.

Abstract: An object of the disclosure is to achieve a current-driven display device able to compensate for a variation in threshold voltage of a drive transistor without causing a variation in luminance. A pixel circuit includes a light-emitting element, a drive transistor, a power supply control transistor, a light emission control transistor, a first writing control transistor, a threshold voltage compensation transistor, a second writing control transistor, an initialization transistor, and a data-holding capacitor. During a data writing period, a scanning signal is active, an initialization voltage is supplied to a first electrode of the data-holding capacitor via the drive transistor, and a data voltage is supplied to a second electrode of the data-holding capacitor.

Abstract: Provided are a display panel, a driving method thereof and a display device. The display panel includes a substrate, multiple sub-pixels located on one side of the substrate, and at least one signal conversion circuit. Each sub-pixel includes a pixel driving circuit and a light-emitting element. The pixel driving circuit includes an initialization transistor and a driving transistor. A first electrode of the initialization transistor is electrically connected to a gate of the driving transistor. The signal conversion circuit may convert a received initialization signal to a first initialization signal or convert the initialization signal to a second initialization signal according to a received data control signal, and generate an output of the conversion to the second electrode of the initialization transistor. This can avoid an unstable gate voltage of the driving transistor caused by a leakage current, further improve the display effect.

Abstract: An electro-optical device includes a scanning line, a data line intersecting with each other, a pixel circuit which is provided corresponding to the intersection thereof, and a wire. The pixel circuit includes a light emitting element, one transistor which controls a current flowing to the light emitting element, and the other transistor of which conduction state is controlled according to a scanning signal which is supplied to the scanning line between a gate node of the one transistor and the data line. The wire is provided between the data line and the one transistor.

Abstract: A display apparatus includes a substrate which includes a first pixel area and a second pixel area. A third pixel area is spaced apart from the second pixel area. A notch peripheral area is adjacent to the first, second and third pixel areas. A plurality of pixels are provided in the first, second and third pixel areas. A first scan line is disposed on the substrate. The first scan line includes a first portion disposed in the second pixel area, a second portion disposed in the third pixel area, and a third portion which connects the first portion to the second portion. The third portion is disposed in the notch peripheral area. A second scan line is disposed on the substrate in the first pixel area. A surface area of the first scan line is from about 90% to about 110% of a surface area of the second scan line.

Abstract: The present invention overcomes image defects such as the brightness inclination or smears by reducing the line resistance of a power source bus line which supplies electricity to organic EL elements. A plurality of pixels which are arranged in a matrix array is connected to power source lines, and the plurality of power source lines are connected to a power source bus line. Both ends of the power source bus line are connected to a power source part via a FPC. By supplying electricity to both ends of the power source bus line from the power source part, the line resistance of the power source bus line can be reduced.

Abstract: An EL display apparatus is provided. A display screen includes pixels arranged in a matrix, with each pixel including an EL device and a pixel circuit. A source driver circuit is configured to output an analog video signal to each pixel. A gate driver circuit is on at least one side of the display screen, with the gate driver circuit including first and second gate driver circuits. Each pixel includes a driving transistor, a first switch transistor, and a second switch transistor. A gate terminal of the first switch transistor is connected to a first gate signal line of the first gate driver circuit, and a gate terminal of the second switch transistor is connected to a second gate signal line of the second gate driver circuit. The first and second switch transistors are on/off controlled, independently, by the first and second gate driver circuits.

Abstract: The present disclosure provides a pixel circuit and a driving method thereof, and a display device. The pixel circuit includes: a data switching circuit configured to transmit a data voltage signal received from a data line in response to an on-signal; a data storage circuit configured to store the data voltage signal and output a first voltage and a second voltage according to the data voltage signal, wherein the first voltage is lower than the second voltage; a first light emitting circuit configured to emit light when turned on by a voltage difference between the first voltage and a power supply voltage; and a second light emitting circuit configured to emit light when turned on by a voltage difference between the second voltage and the power supply voltage.

Abstract: A display apparatus includes a display panel, a power voltage generator, a gate driver and a data driver. The display panel includes first and second display areas, a first back gate signal applying line connected to at least one back gate electrode of at least one of a plurality of pixels in the first display area and a second back gate signal applying line connected to at least one back gate electrode of at least one of a plurality of pixels in the second display area. The power voltage generator is configured to output a first back gate signal to the first back gate signal applying line and a second back gate signal to the second back gate signal applying line. The gate driver is configured to output a gate signal to the display panel. The data driver is configured to output a data voltage to the display panel.

Abstract: The present application relates to a display panel, a display screen and a control method thereof, and a display terminal and a driving method thereof. The first electrodes in the display panel have a one-to-one correspondence with the pixel circuits, and a second electrode is a full-surface electrode, at least a scanning line and at least a data line are connected to the pixel circuit, and the scanning lines control the turning on and turning off of the pixel circuit. When the pixel circuit is turned on, the data line provides a driving current for the first electrode to control the illumination of the sub-pixel. The scanning lines control the turning on and off of the pixel circuit, which requires only a switching voltage required by the pixel circuit, thereby greatly reducing a load current of the scanning line.

Abstract: A display device includes a display panel including a display and a non-display area, data lines, driving lines, power lines, and pixels connected to said lines being at the display area, a data driver for generating data signals supplied to the pixels, a power supply for generating a power signal supplied to the pixels, and a driving circuit at the non-display area and for generating driving signals supplied to the pixels, the driving circuit including stages for providing the driving signals to at least two of the driving lines, wherein data fan-out lines connected to the data driver are connected to the data lines, a power supply line connected to the power supply is connected to the power lines, and the driving circuit is connected to the driving lines, through a first connection line, a second connection line, a third connection line, and a fourth connection line.

Abstract: A display device includes pixels connected to scan lines and data lines intersecting the scan lines, wherein each of the pixels includes a light emitting element and a first transistor configured to control a driving current supplied to the light emitting element according to a data voltage applied from a respective data line of the data lines, the first transistor includes a first active layer including an oxide semiconductor containing indium (In), and a content of the indium in the oxide semiconductor of the first active layer is 70 at % or more.

Abstract: A display device includes a plurality of pixels, a driving integrated circuit (IC) configured to generate a data voltage for driving the pixels, a display substrate including a display region in which the pixels are disposed and a driving IC region in which the driving IC is disposed, and a first power wire overlapping the driving IC region, wherein the first power wire is insulated from the driving IC, and the first power wire transmits a first power-supply voltage for driving the pixels.

Abstract: An apparatus for driving an electro-optic display may comprise a first switch designed to supply a voltage to the electro-optic display during a first driving phase, a second switch designed to control the voltage during a second driving phase and a resistor coupled to the first and second switches for controlling the rate of decay of the voltage during the second driving phase.

Abstract: An information terminal capable of switching display and non-display of images by strain. The information terminal includes a display portion and a strain sensor. The display portion includes a liquid crystal element, a light-emitting element, and a first and a second transistors. The strain sensor includes a strain sensor element and a resistor. The first transistor has a function of controlling current flowing into the light-emitting element. The strain sensor element has a function as a variable resistor. A first terminal of the strain sensor element is electrically connected to a first terminal of the resistor. A gate of the first transistor is electrically connected to a first terminal of the strain sensor element via the second transistor.

Abstract: According to one embodiment, a liquid crystal display device includes a liquid crystal panel and a controller. The liquid crystal panel includes a pixel with a pixel memory circuit configured to store a video signal, and a plurality of polarity signal output circuits controlled by a polarity control signal and configured to supply a polarity signal to the pixel. The controller supplies the polarity control signal to the liquid crystal panel. Each of the polarity signal output circuit sequentially outputs a polarity signal of polarity corresponding to the polarity control signal supplied by the controller. The controller outputs a clock signal to drive each of the polarity signal output circuit to the liquid crystal panel in a certain period of time.

Abstract: The disclosure relates to a driving method and a driving device for a display panel, and a display device, wherein the display panel includes a plurality of first pixel units and a plurality of second pixel units disposed adjacently, the driving method includes dividing a plurality of pixel units of the display panel into a plurality of pixel unit groups, each of the pixel unit groups including two columns of adjacent pixel units; driving sub-pixels in corresponding positions in each adjacent two of the pixel unit groups by adopting drive voltages of opposite polarities; driving first position sub-pixels and second position sub-pixels in a same pixel unit by adopting drive voltages of opposite polarities; and driving the sub-pixels in the first pixel units and sub-pixels in the second pixel units respectively by adopting drive voltages of different voltage levels.

Abstract: According to one embodiment, a display device, includes a first pixel line including a first sub-pixel and a second sub-pixel, a second pixel line including a third sub-pixel and a fourth sub-pixel, and a display driver supplying video signals which cause signal polarities of signal lines adjacent to each other to be opposite to each other, without varying the polarities in one frame period, the video signals having the same polarities as each other being written to the respective sub-pixels of the first pixel line, the video signals having the polarities which are the same as each other and opposite to the polarities of the video signals written to the first pixel line, being written to the respective sub-pixels of the second pixel line.

Abstract: A liquid crystal control circuit includes: a first terminal that outputs a rewriting signal for rewriting a plurality of pixels; a second terminal that periodically designates a start timing of the rewriting signal; a third terminal that outputs a polarity signal for designating polarity of AC voltage; a first circuit that identifies a next second inversion timing of any first inversion timing at which the polarity is inverted; a calculator that calculates a first start timing after the first inversion timing based on the start timing; a second circuit that determines whether the second inversion timing is within a period from a predetermined time before the first start timing to the first start timing; and an inversion unit that inverts polarity of the polarity signal after the rewriting signal starting from the first start timing is stopped, when the second inversion timing is within the period.

Abstract: A display panel and a display device are disclosed, the display panel includes: a plurality of pixel units arranged in an array in a display area, and a gate drive circuit arranged at least in the display area, where the gate drive circuit includes a plurality of shift register elements connected in cascade, each level of the plurality of shift register elements is connected respectively with a row of the plurality of pixel units, and each level of the plurality of shift register elements includes at least three shift register sub-circuits in the display area.

Abstract: Techniques to improve detection and security of a displayed image on a screen of a computer device, such as a device, and in response to environmental changes, including formation and detection of matrix-based images that may be dynamically altered and optimized as a result of environmental changes. Some techniques include logic to process image data, generate one or more colorspaces associated with that data, and perform colorspace conversions based on the generated colorspace. The logic may be further configured to generate an image based on the colorspace conversions, including but not limited to a matrix bar code. The logic may further be configured to alter the displayed image based on environmental changes and optimize the newly generated image utilizing one or more colorspace conversions in relation to a new environment generated as a result of the environmental changes. Other embodiments are described and claimed.

Abstract: The present disclosure is directed to a computing device including one or more processors and a foldable display. A non-transitory computer-readable medium stores a set of instructions that when executed by at least one processor of the one more processors cause the at least one processor to detect a usage mode of the foldable electronic device, detect user input to the foldable electronic device, and control a brightness of an active area on the display based on the detected usage mode and detected user input.

Abstract: Various embodiments disclose a method and an apparatus including a display, a memory including information on a number of duty cycles per one refresh period for emitting light by pixels of the display corresponding to each of a plurality of refresh rates of the display, and a processor, wherein the processor is configured to control the electronic device to perform an operation according to a first number of duty cycles based on the display operating at a first refresh rate, and perform an operation according to a second number of duty cycles based on the display operating at a second refresh rate, wherein the first number is less than the second number based on the first refresh rate being higher than the second refresh rate.

Abstract: A display controller and method for performing the same operations are described. In on embodiment, the display controller comprises a spread spectrum clock (SSC) modulator having a first input coupled to receive a non-SSC modulated clock and operable to generate a SSC modulated clock in response to the non-SSC modulated clock, a video data transfer portion coupled to receive the SSC modulated clock and operable to output data for display in response to the SSC modulated clock, and a second portion coupled to receive the non-SSC modulated clock.

Abstract: A configuration enables control of an image displayed on the display unit provided on the outer side of the transportation apparatus, such as a bus, resulting in increasing the degree of user attention and obtaining higher advertising effects. A display unit provided on an outer side of a transportation apparatus such as a bus; and an image control unit configured to execute control of a display image on the display unit, are included, and the image control unit executes control to change the display image on the display unit depending on a traveling state of the transportation apparatus. For example, the display image is varied depending on the states of whether the transportation apparatus is accelerating, decelerating, or constant speed traveling. Alternatively, an AR image using a real object near the transportation apparatus is generated for display.

Abstract: The present disclosure provides an image display method, an image processing method and related devices. The image display method includes: receiving and storing an original image from a processing terminal, the original image being an image rendered by the processing terminal; acquiring a first image from the original image; displaying the first image between a first time point and a second time point; acquiring a second image from the original image; and displaying the second image between the second time point and a third time point.

Abstract: Systems, apparatuses, and methods for implementing a timestamp based display update mechanism. A display control unit includes a timestamp queue for storing timestamps, wherein each timestamp indicates when a corresponding frame configuration set should be fetched from memory. At pre-defined intervals, the display control unit may compare the timestamp of the topmost entry of the timestamp queue to a global timer value. If the timestamp is earlier than the global timer value, the display control unit may pop the timestamp entry and fetch the frame next configuration set from memory. The display control unit may then apply the updates of the frame configuration set to its pixel processing elements. After applying the updates, the display control unit may fetch and process the source pixel data and then drive the pixels of the next frame to the display.

Abstract: A snare system for use with a drum has a snare assembly with snares extended longitudinally between opposite end plates. The end plates define a slot from a top surface to a bottom surface with obliquely extending walls. Two connectors, each with a strap carrying a latch member, are attached to opposite sides of the drum via its strap with latch member within the drum rim. Each latch member includes a flange with oblique configuration complimentary to the oblique slot in the end plates. The snare assembly is attached via sliding engagement of the respective flanges into the respective slots with the surfaces of each in surface-to-surface contact so that the connectors maintain the snare assembly attached to the drum. The snare assembly is removable quickly by reverse sliding of the flanges from the slots to interchange with a different snare assembly having end plates with a common configuration.

Abstract: A sound damping device includes a sound damper and a support member. The sound damper includes a contact surface configured to contact a vibration member and includes a through-hole having a first opening formed on the contact surface. The support member is coupled to the sound damper to support the sound damper and cause the vibration member and the contact surface to come into contact with each other. The support member includes an air hole that is connected to the through-hole of the sound damper and that penetrates through the support member.

Abstract: A guitar neck retainer releasably secures a guitar to a guitar stand having neck stops spaced apart so as to receive the neck of the guitar therebetween. The retainer includes an elongated, longitudinally resiliently stretchable strap having two ends. A flexible touch fastener is permanently attached to one end of the strap. The touch fastener is configured to be secured about a first neck stop of the stand to releasably attach the retainer to the first neck stop. A rigid hook is permanently attached to the other end of the strap. The hook defines a crook sized to receive a second neck stop of the stand to releasably attach the retainer to the second neck stop.

Abstract: A strap button for attaching a supporting strap to a musical instrument is disclosed. The strap button includes an inner flange, a lug, a retaining flange, and an outer flange, with the inner flange configured to directly or indirectly contact the musical instrument. The lug is adjacent to the inner flange on one end, and the retaining flange and the outer flange on the other end. The lug is configured to support a hole of a supporting strap between the outer flange and the musical instrument. The retaining flange serves as a barrier to the supporting strap from slipping off the lug.