Tokorozawa, Japan
Tokorozawa, Japan

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Patent
Citizen Electronics Co. and Citizen Holdings Co. | Date: 2016-08-02

An LED light-emitting element having reduced the occurrence of illuminance unevenness is provided. A light-emitting element comprising a substrate, an LED element mounted on the substrate, a phosphor resin arranged on the substrate so as to seal the LED element and having an emission surface from which light based on light emitted from the LED element is emitted, a reflective resin arranged around the phosphor resin; and a reflecting frame having an opening and at least part of which is arranged on the reflective resin, wherein the reflective resin is arranged directly under the reflecting frame and on the side surface of the phosphor resin, the ratio of the area of the emission surface to the area of an inside area of the reflecting frame is set to 80% or higher, and in the inside area of the reflecting frame, the reflective resin is exposed around the emission surface.


Patent
Citizen Electronics Co. and Citizen Holdings Co. | Date: 2016-08-02

A light-emitting apparatus according to the present invention has a packaging substrate having a packaging area, a plurality of light-emitting elements packaged in the packaging area, and a sealing resin that seals the plurality of light-emitting elements. The plurality of light-emitting elements includes light-emitting elements packaged in a first packaging area including the center of the packaging area and light-emitting elements packaged in a second packaging area surrounding the perimeter of the first packaging area. The packaging density of the light-emitting elements packaged in the first packaging area is higher than the packaging density of the light-emitting elements packaged in the second packaging area.


Patent
Citizen Holdings Co. and Citizen Electronics Co. | Date: 2016-10-31

The purpose of the present invention is to reduce the size and thickness of an LED module. The LED module includes a circuit substrate, at least two supply terminals, a plurality of LED dies, a plurality of FET die, a constant current circuit, a dam member, a fluorescent resin, a resistor network, and a bypass circuit, wherein the constant current circuit includes one of the plurality of FET die and the bypass circuit includes other of the plurality of FET die, a portion of the dam enclosing the LED block region forms a portion of the dam enclosing the circuit block region, and the dam member enclosing the LED block region has a annular shape and the dam member enclosing the circuit block region has a rectangular shape except for said portion of the dam member.


Patent
Citizen Electronics Co. and Citizen Holdings Co. | Date: 2016-07-28

A semiconductor device wherein the horizontal spreading of solder at the time of reflow is suppressed and a plurality of devices can be mounted close to each other on a substrate, and a light-emitting apparatus using such a semiconductor device as a light-emitting device are provided. A semiconductor device bonded to a substrate by solder includes a semiconductor layer, a plurality of device electrodes formed on a bottom surface of the semiconductor layer, and a plurality of auxiliary electrodes formed integrally with the device electrodes, respectively, wherein each of the auxiliary electrodes includes a groove portion formed in a bottom surface thereof, and a side face of the groove portion is slanted with respect to the bottom surface of the semiconductor layer so that the groove portion becomes narrower in width with increasing distance from a lower end of the auxiliary electrode and decreasing distance to an upper end thereof.


Patent
Honda Corporation, Citizen Finedevice Co. and Citizen Holdings Co. | Date: 2016-09-28

An in-cylinder pressure detecting apparatus for detecting a pressure in a combustion chamber of an internal combustion engine is provided. The in-cylinder pressure detecting apparatus includes a pressure detecting element mounted on a fuel injection device which injects fuel into the combustion chamber; and an amplifying circuit unit having an amplifying circuit which amplifies a signal output from the pressure detecting element and outputs a pressure detection signal. An in-cylinder pressure detecting unit including the pressure detecting element, the amplifying circuit unit, and a connecting member connecting the pressure detecting element with the amplifying circuit unit, is integrated with the fuel injection device, and an external surface of the amplifying circuit unit is shielded with metal thin film.


Patent
Citizen Holdings Co. and Citizen Machinery Co. | Date: 2015-03-31

A tool attachment part includes an outer holder detachably fixed to a fixed part and an inner holder turnably and integrally supported by the outer holder. The inner holder is formed with a support part (insertion portion Tb) to support a rotatable tool. A drive-force transmission gear is integrally provided on the inner holder. The drive-force transmission gear is detachably engaged with a tool turning drive gear provided on a turret side. The tool turning drive gear is detachably attached to the turret by the fixed part and is engaged with the drive-force transmission gear such that the inner holder turns, and thereby the rotatable tool supported by the support part turns.


Patent
Citizen Finedevice Co. and Citizen Holdings Co. | Date: 2015-03-25

A disconnection detection circuit includes: a pull-up resistor to which the detection signal is fed and which connects a signal line connected to the wiring cable to a power supply or a pull-down resistor which connects the signal line to a GND; and a voltage clip circuit 105 which includes a high-voltage clip circuit which is connected between the signal line and the power supply and which clips the voltage of the signal line to the maximum specified voltage and a low-voltage clip circuit which is connected between the signal line and the GND and which clips the voltage of the signal line to the minimum specified voltage.


Patent
Citizen Finedevice Co. and Citizen Holdings Co. | Date: 2015-03-25

There is provided a pressure detection device (10) including: a pressure detection element (21) which receives pressure (P) so as to output a detection signal (Qi) corresponding to the pressure (P); and a processing circuit (30) which processes and outputs the detection signal (Qi) output from the pressure detection element (21), where on a circuit board (40) on which a conductor pattern is formed, an integrated circuit (IC1) including an analog circuit which uses a reference voltage (Vr) set to a predetermined voltage value as an operation reference and converts the detection signal (Qi) into a voltage waveform is mounted, and the processing circuit (30) includes an input circuit 50 which feeds the detection signal (Qi) to the integrated circuit (IC1) and a shield pattern (SHP1) which surrounds the region of at least a part of the input circuit (50) and to which the reference voltage (Vr) is applied.


Patent
Citizen Electronics Co. and Citizen Holdings Co. | Date: 2016-03-02

Provided are a switch module and a push switch that have a soft sensation when pressed. A push switch and a switch module have a substrate, a first fixed contact point disposed on the substrate surface, a second fixed contact point disposed around the first fixed contact point on the substrate surface, a convex dome-shaped upper spring disposed on the substrate surface so that an end part is in contact with the second fixed contact point, the upper spring being pressed so as to invert the dome shape and to establish conduction between the first fixed contact point and the second fixed contact point, and a lower spring disposed below the upper spring, the lower spring adjusting the operation load applied to the upper spring during inversion of the dome shape.


Patent
Citizen Holdings Co. | Date: 2016-10-26

A liquid crystal optical device includes multiple liquid crystal elements (2-1 to 2-3) arranged along the optical axis. In this liquid crystal optical device, each of the liquid crystal elements includes a liquid crystal layer 10 in which liquid crystal molecules 15 aligned along a predetermined direction are contained, and two transparent electrodes 13, 14 that are disposed so as to face each other with the liquid crystal layer 10 disposed therebetween. At least one of the two transparent electrodes includes multiple partial electrodes (13-1 to 13-n), and, for each of levels obtained by dividing, by a predetermined number of the levels, difference between a maximum value and a minimum value of a phase modulation amount in a phase distribution provided to a luminous flux passing through the liquid crystal layer, at least one of the multiple partial electrodes is disposed on a part of the liquid crystal layer, the part providing the luminous flux with a phase modulation amount corresponding to the level. A position of the boundary between any two adjacent ones of the partial electrodes, with respect to the luminous flux, is different for each of the liquid crystal elements.

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