Abstract: An image display element includes: a front panel; a back panel opposite thereto; plural pixels arranged in a matrix between the panels; and plural electrodes for controlling the pixels. The panels are bonded with the pixels and the electrodes interposed therebetween. The electrodes are connected to a driving circuit via metal film wires. The back panel is divided so as to expose electrode terminals, and a groove part V-shaped in cross section is formed at the divided portion. The metal film wires are formed on the top surface of the back panel, and the electrode terminals and the metal film wires are connected by a conductive paste coated along the tilt surfaces forming the groove part. A contact resistance reducing means is disposed at the connection part interface between the electrode terminal and the conductive paste.

Abstract: An optical device emitting light of a predetermined mixed color other than the intrinsic colors of light emitting layers from each pixel having a reduced number of drive lines (electrodes) to achieve the color. The optical device includes one or a plurality of self light emitting elements, each corresponding to one pixel and including a pair of electrodes formed on a substrate and at least a light emitting layer between the electrodes. The light emitting layer includes a first layer with a first region that emits light of a first color and a second layer with a second region that emits light of a second color that is different from the first within the same opening of each pixel. A third light emitting region is formed within the opening for emitting light of a color that is a mixture of the first color and the second color.

Abstract: A headphone capable of preventing inadvertent damage is disclosed. The headphone includes a C-shaped headband, a strip-shaped arm portion, a sound emitting portion supported by the arm portion, a first connecting section, and a torsion-coil spring 16. The first connecting section connects the arm portion 3 to the headband 2 rotatably about a first axis parallel to a direction from the headband 2 toward the arm portion 3. The torsion-coil spring 16 is constructed to bias the arm portion 3, when the arm portion 3 is rotated about the first axis P1, toward a neutral position in which the arm portion 3 becomes parallel to the headband 2.

Abstract: A speaker device includes a diaphragm, a frame supporting the diaphragm vibratably along a vibration direction, and a driving part disposed in proximity of the frame and vibrating the diaphragm corresponding to an audio signal. The driving part includes a magnetic circuit having a magnetic gap formed along a direction different from the vibration direction of the diaphragm, a voice coil supporting part having a voice coil and vibrating along the magnetic gap, and a vibration-direction-conversion part direction-converting the vibration of the voice coil supporting part and transmitting the vibration to the diaphragm. The vibration-direction-conversion part includes a link body angle-converting a link part formed between the voice coil supporting part and the diaphragm.

Abstract: A speaker device includes a vibrating body including a diaphragm and a voice coil supported by a part of the diaphragm and a magnetic circuit including a first magnetic pole part having a magnet and a second magnetic pole part different from the first magnetic pole part and arranged spaced apart from the first magnetic pole part. The voice coil is arranged between the first magnetic pole part and the second magnetic pole part, the vibrating body includes a conducting part formed at a part or whole of the diaphragm, in the proximity of the voice coil, and the conducting part is arranged between the first magnetic pole part and the second magnetic pole part.

Abstract: A phase comparator (4) for detecting a phase difference between a first signal and a second signal, a first oscillating circuit (1) for supplying the phase comparator with a reference signal as the first signal, and a DDS (8) as a second oscillating circuit for outputting a signal according to an output of the above-mentioned phase comparator are provided. As for a filter-thickness measuring device using the PLL circuit as a frequency measurement circuit, a crystal oscillator (11) which is made of quartz etc. and connected to the first oscillating circuit is accommodated in a vacuum chamber (C). It is arranged that the frequency measurement circuit which constitutes the PLL circuit measures a film thickness of the film forming material based on a change of a natural frequency of a piezoelectric crystal, the change being caused by the film forming material deposited on the piezoelectric element in the vacuum chamber.

Abstract: There are provided headphone which can provide a relatively small storage space when being carried around and which can prevent an unexpected breakage of the headphone. A headphone 1 includes a C-shaped headband 2, a band-plate-like arm part 3, a sound emission part 4 supported by the arm part 3, a first attachment portion 7 and a first maintaining body 48. The first attachment portion 7 rotatably connects the arm part 3 at a central portion of the sound emission part 4 on a side opposite to a sound emitting side of the sound emission part 4 about a first axis P1 along a width direction of the arm part 3. The first to maintaining body 48 maintains relative positions of the sound emission part 4 and the arm part 3 around the first axis P1.

Abstract: According to an aspect of the invention, there is provided a speaker apparatus including: a magnetic circuit; a vibrating plate vibrated by the magnetic circuit; a speaker frame holding the magnetic circuit and the vibrating plate, and a connecting portion connecting a portion of holding the vibrating plate and a portion of holding the magnetic circuit, an inclined face of the connecting portion being inclined relative to a direction of tangential line of circumference of the speaker frame, the connecting portion configured to flow air due to a vibration of the vibrating plate along the inclined face thereof.

Abstract: For organic EL panels with a hollow-sealed structure to meet the demand of flat or large displays, the inconvenience of contact of drying anent etc touching the organic EL elements in the sealed space is avoided. An organic EL panel includes a panel substrate, a light-emitting part with a plurality of organic EL elements having an anode, an organic layer and a cathode laminated on the panel substrate, and a sealing substrate configured to be bonded onto the panel substrate through an adhesive layer to seal the light-emitting part. The sealing substrate includes a supporting projection projecting toward the panel substrate. A supporting margin facing to the bottom face of the supporting projection is provided where the organic EL elements is not formed within a region of the light-emitting part on the panel substrate.

Abstract: An organic EL panel (light transmissive luminescent panel) is configured to have a display screen formed of a plurality of pixels with improved display performance by restricting stray light at the panel edge surface and enabling a high-grade color display by restricting the reduction of the mixing ratio of colors.

Abstract: First electrodes partially configuring light-emitting elements are patterned in the form of stripes on a first major surface of a transparent substrate. Next, piezoelectric elements functioning a SAW touch sensor are formed on a second major surface of the transparent substrate. Next, the light-emitting elements forming step of forming light-emitting elements on the first electrodes which are patterned in advance is sequentially executed. After the formation of the piezoelectric elements, since the step of forming the light-emitting elements is executed, the light-emitting elements can be prevented from being damaged by receiving heat in the formation of the piezoelectric elements.

Abstract: A flat speaker device capable of emitting loud reproduced sound with a relatively simple configuration is provided. The speaker device includes a diaphragm, a frame supporting the diaphragm vibratably in the vibration direction, a magnetic circuit disposed in the frame, and a driving member for driving the diaphragm. The driving member includes a voice coil movably disposed in a magnetic gap of the magnetic circuit, a driving part formed movably in a direction different from the vibration direction of the diaphragm, and an angle conversion and transmission part, one end of which is angle-variably joined to the driving part and another end of which is angle-variably joined to the diaphragm. The angle conversion and transmission part has rigidity and is obliquely disposed with respect to each of the vibration direction of the diaphragm and the moving direction of the driving part.

Abstract: A frame has a slide hole and a receiving hole made close to an end of the slide hole. A terminal member has a protrusion protruding from a face making contact with the speaker frame, and a claw projecting in a direction approximately perpendicular to a protruding direction of the protrusion. An approximate-projection-shaped engaging portion is formed on the claw to engage with the receiving hole made close to the end of the slide hole. For example, when the terminal member is mounted on the frame, the protrusion is inserted into the slide hole and then slid along the slide hole, thereupon the engaging portion formed on the claw engages with the receiving hole, whereby the terminal member is fixedly attached to the speaker frame.

Abstract: A magnetic circuit for a speaker device includes a yoke having a pole piece main body formed into a cylindrical shape or a hollow cylindrical column shape, and a flange part provided on an outer side thereof, a magnet arranged on the flange part, a plate arranged on the magnet, and an annular T-shape forming member arranged on the pole piece main body. A magnetic gap is formed between an inner peripheral wall of the plate and an outer peripheral wall of the T-shape forming member. A configuration formed by combining the T-shape forming member and the pole piece main body forms a T-shaped pole piece.

Abstract: A speaker device includes a pair of diaphragms disposed opposite each other, a frame configured to vibratably support an outer periphery of the diaphragms in the vibration direction, and a plurality of driving parts configured to support a rear surface of each of the diaphragms and vibrate the diaphragms in response to an audio signal. The driving parts include a pair of magnetic circuits in which a magnetic gap is formed in a direction different from the vibration direction of the diaphragms, a pair of voice coils vibratably arranged in the magnetic gap in one axis direction, vibrating so as to move toward or away from each other in response to the audio signal, and a rigid vibration direction converter part configured to convert the direction of the vibration of the voice coils and transmit the vibration to the diaphragms.

Abstract: An apparatus for driving a self-luminescent display panel is provided with a plurality of luminescent elements 14 that are arranged at intersection positions of a plurality of data lines and a plurality of scanning lines. One frame period is time-divided into N subframe periods (N is a positive integer). A gradation display is set by an accumulated sum of one or plural lighting control periods. The apparatus is provided with first gradation control means (21, 24, 25, 26, 30) for lighting at least two other subframe periods at a brightness level a in addition to subframe periods lit at a brightness level a?1, assuming that a is an integer satisfying 0<a<N.

Abstract: A diaphragm for acoustic converter includes a base and a damping layer formed on one surface or both surfaces of the base. The damping layer includes a particle having a heat dissipating function, and has detachability with respect to the base.

Abstract: A speaker device includes a magnetic circuit, a vibration system, a frame and a terminal. The frame is formed into a frame shape, and an inner wall thereof holds the magnetic circuit. Particularly, the frame has an opening for ventilation, which makes a rear surface positioned on a side opposite to a sound output direction and a side surface curved to a direction of the sound output direction from a peripheral end of the rear surface communicate with each other, and the terminal covers the opening on the rear surface of the frame. Therefore, the opening is provided on the side surface of the frame, and ventilation performance of the speaker device is ensured. In addition, by such amount that no opening is provided on the rear surface of the frame, a setting space of the terminal can be enlarged on the rear surface of the frame.

Abstract: A speaker frame, including: a vibration support portion supporting a vibrating body of a speaker; a magnet support portion arranged inside of said vibration support portion and supporting a magnetic circuit portion of said speaker; and a plurality of connection beams connecting said vibration support portion and said magnet support portion, wherein in a cross-section passing through a central axis of said speaker, an inclination angle of one connection beam of said connection beams to said central axis is different from an inclination angle of other connection beam to said central axis.

Abstract: The present invention provides a display device which includes photoelectric elements (E1 to E4) outputting an electromotive force according to an illuminance of external light, a self-luminous display panel (1) disposed with at least one self-luminous element, and drive circuits (2a, 3a) for driving and controlling the self-luminous display panel. The display device is configured such that a logic circuit of the drive circuit receives a supply as a drive power supply to the logic circuit through a voltage stabilization circuit (4) limiting an output voltage value from the photoelectric element, and, at the same time, the self-luminous element receives a supply as the drive power supply to the self-luminous element from the photoelectric element not through the voltage stabilization circuit.