Abstract: An imaging module (camera module 50) includes a movable portion (holder 4 and coil 5) which fixes a first lens group (1) and is displaced in an optical axis direction thereof, and a non-movable portion (magnet 6, yoke 7, and base 8) which fixes a second lens group (2) and is not displaced in the optical axis direction, and includes a focus adjustment mechanism (actuator 20A) fixed to the substrate.

Abstract: An imaging module (camera module 50) includes a movable portion (holder 4 and coil 5) which fixes a first lens group (1) and is displaced in an optical axis direction thereof, and a non-movable portion (magnet 6, yoke 7, and base 8) which fixes a second lens group (2) and is not displaced in the optical axis direction, and includes a focus adjustment mechanism (actuator 20A) fixed to the substrate.

Abstract: An optical adjusting member according to the invention includes a base member having optical transparency and a plurality of linear members provided on the base member and having optical transparency. A section of the linear member orthogonal to the lengthwise direction of the linear member includes a triangular first sectional part defined by first to third sides and an approximately triangular second sectional part. The second sectional part has a smaller area than that of the first sectional part and defined by fourth to sixth sides. The first side of the first sectional part is in contact with the surface of the base member. The second sectional part is formed on the second side of the first sectional part, and the fourth side of the second sectional part is in contact with the second side of the first sectional part.

Abstract: Grating grooves of a predetermined shape are filled with a polymerizable liquid crystal, and thereafter, the polymerizable liquid crystal is cured to form a striped structure including a uniaxial polymer liquid crystal having an alignment orientation identical to the longitudinal direction of the grating grooves, without using a liquid crystal alignment film. Consequently, it is possible to stably and effectively align the polymer liquid crystal without using an alignment film and to adjust the film thickness easily, whereby a polarization splitting element exhibiting a high and uniform split efficiently can be obtained stably.

Abstract: A polarization diffraction grating that enables the polarization direction of incident light and the occurrence direction of diffracted light to be freely selected without being restricted by the material of a substrate is provided. A polarization diffraction grating includes a transparent substrate, a polymer liquid crystal layer that is adhered onto the transparent substrate via an adhesive layer, and that has a first concavity/convexity structure that diffracts incident light formed on a face opposite to the adhesive layer, and an optically isotropic material layer provided to fill the first concavity/convexity structure.

Abstract: A liquid crystal display according to the present invention includes a light source, an optical control member, and a liquid crystal display panel. Said optical control member includes a base having optical transparency and a plurality of linear structures provided on said base, a section of the linear structure orthogonal to its extending direction includes a first sectional portion having a triangular shape defined by first to third sides, and a second sectional portion having a plurality of triangular structures each having a smaller area than the first sectional portion and defined by fourth to sixth sides, the first side of the first sectional portion is abutted on and parallel to a surface of said base, the second sectional portion is provided on the second side of the first sectional portion, and the fourth side of the second sectional portion is abutted on and parallel to the second side of the first sectional portion.

Abstract: There is provided an energy recovery apparatus capable of recovering a hydraulic energy in a regenerative air-conditioning system including a pressure sustaining valve and capable of coping with a discharge change caused by variation in air-conditioning load, the air-conditioning system being capable of carrying out normal operation even in a case where the energy recovery apparatus fails. The energy recovery apparatus is configured so as to feed water from a water tank to air-conditioning loads such as a heat source or a fan coil at a higher place through a feed pipe line by a pump and to lead the water passed through the air-conditioning loads into the water tank via a return pipe line including the pressure sustaining valve, a branch pipe line is disposed so as to branch into the water tank from the return pipe line in upstream of the pressure sustaining valve, and the energy recovery apparatus is connected in to the branch pipe line.

Abstract: A plurality of pixel groups X(n) each comprising a plurality of pixels are set, and switched capacitor amplification parts are provided in correspondence to the pixel groups, respectively. Each of the switched capacitor amplification parts has a charge detection node to which output terminals of the transfer transistors of a corresponding pixel group X(n) are connected in common, an amplification part, a reset transistor, a first capacitance element, and a select transistor. A load part common to the switched capacitor amplification parts is provided. The load part is combined with the amplification parts of the switched capacitor amplification parts to constitute inverting amplifiers, respectively. By means of the above constitution, it is capable of obtaining a noise-reduced, high-quality image and which allows transistor count per pixel to be cut, thus allowing the pixel size to be reduced.

Abstract: A lighting device includes a plurality of self-luminous elements formed on a substrate and emitting different wavelengths of light from each other, a hemispherical lens structure formed on the substrate to cover the self-luminous elements, and a plurality of translucent spherical particles covering a surface of the lens structure. Light emitted from the self-luminous elements passes through the lens structure and enters the translucent spherical particles where its direction is largely inclined to scatter due to a difference in refractive index between the translucent spherical particles and air. Consequently, different wavelengths of light from the self-luminous elements are mixed to produce a desired color of light.

Abstract: An input side of a switched capacitor amplifier section is connected to output sides of transfer transistors of a photoelectric conversion transfer section group comprised of a prescribed number of a plurality of photoelectric conversion transfer sections, each of which has a photodiode and a transfer transistor. An output side of the switched capacitor amplifier section is connected to a vertical signal line. The switched capacitor amplifier section has a signal charge storage section, an amplification transistor whose an input side is connected to the signal charge storage section, a capacitor connected between input and output sides of the amplification transistor and a reset transistor. A voltage at the ground terminal of an inverting amplifier, which is constructed of a constant current load transistor connected to the output side of the amplification transistor via the vertical signal line and the amplification transistor, is controlled by a vertical scanning circuit.

Abstract: In the amplification type solid-state imaging device of the present invention, the input side of a switched capacitor amplifier portion 20 is connected to the output side of each transfer transistor 2 of a photoelectric conversion and transfer portion group obtained by grouping a plurality of photoelectric conversion and transfer portions 10 having a photodiode 1 and a transfer transistor 2, and the output side of the switched capacitor amplifier portion 20 is connected to a vertical signal line 9. The switched capacitor amplifier portion 20 has a signal charge storage portion 8, an amplification transistor 3 whose input side is connected to the signal charge storage portion 8, and a capacitor 6 and a reset transistor 5 connected between the input and output of the amplification transistor 3.

Abstract: A solid-state image pickup device includes a detection diode for detecting a transfer charge and a switched capacitor amplifier whose input section is connected to the detection diode. The switched capacitor amplifier includes an inverting amplifier, a reset transistor and a feedback capacitor which are connected between input and output sections of the inverting amplifier. Thus, the solid-state image pickup device satisfies the requirements for both improvement in charge-voltage conversion efficiency and reduction in generated noises.

Abstract: An amplification type solid-state image pickup device of the invention includes a plurality of photoelectric conversion sections 10 each having an embedded photodiode 1 and a transfer transistor 2, a switched capacitor amplifier section 20 whose input side is connected to a charge detection node 8 to which output terminals of the plurality of photoelectric conversion sections 10 are connected in common, and a current amplification section 21 connected between the switched capacitor amplifier section 20 and a vertical signal line 9. Signal charge from the plurality of photoelectric conversion sections 10 is converted into voltage by the switched capacitor amplifier section 20, and the converted signal is current-amplified by the current amplification section 21 and outputted to the vertical signal line 9. Thus, a less-noise, high-quality image can be obtained while a reduction of the pixel size is achieved by reducing the number of transistors per pixel.

Abstract: An optical adjusting member according to the invention includes a base member, a plurality of lenses, and a light diffusion layer. The base member has optical transparency. The plurality of lenses are formed on the base member. The light diffusion layer is formed on the plurality of lenses, and at least top edge parts of the lenses are buried in the light diffusion layer. In the optical adjusting member according to the invention, at least the top edge parts of the plurality of lenses are buried in the light diffusion layer and therefore the lenses are less susceptible to damages. The optical adjusting member according to the invention has a light collecting function by the lenses and a diffusion function by the light diffusion layer.

Abstract: An optical adjusting member according to the invention includes a base member having optical transparency and a plurality of linear members provided on the base member and having optical transparency. A section of the linear member orthogonal to the lengthwise direction of the linear member includes a triangular first sectional part defined by first to third sides and an approximately triangular second sectional part. The second sectional part has a smaller area than that of the first sectional part and defined by fourth to sixth sides. The first side of the first sectional part is in contact with the surface of the base member. The second sectional part is formed on the second side of the first sectional part, and the fourth side of the second sectional part is in contact with the second side of the first sectional part.

Abstract: A multilens member is provided, the multilens member including a base member which has light transmissivity; a plurality of first lenses which are formed on the base member; and a plurality of second lenses which are formed on the plurality of first lenses and which are joined to the plurality of first lenses on first surfaces opposed to the base member; wherein the first surfaces of the second lenses have junction which are joined to the first lenses and overhang which overhangs outwardly from the junction portions. That is, the multilens member having the overhang shape is provided. Accordingly, it is possible to provide the optical member which improves the optical performance of an illumination apparatus and which realizes the thin size and the low cost of the illumination apparatus and a liquid crystal display apparatus.

Abstract: An amplification type solid-state image pickup device of the invention includes a plurality of photoelectric conversion sections 10 each having an embedded photodiode 1 and a transfer transistor 2, a switched capacitor amplifier section 20 whose input side is connected to a charge detection node 8 to which output terminals of the plurality of photoelectric conversion sections 10 are connected in common, and a current amplification section 21 connected between the switched capacitor amplifier section 20 and a vertical signal line 9. Signal charge from the plurality of photoelectric conversion sections 10 is converted into voltage by the switched capacitor amplifier section 20, and the converted signal is current-amplified by the current amplification section 21 and outputted to the vertical signal line 9. Thus, a less-noise, high-quality image can be obtained while a reduction of the pixel size is achieved by reducing the number of transistors per pixel.

Abstract: A photodetector device is provided which comprises a photodiode for generating an electrical signal corresponding to an amount of incident light, and a logarithmic conversion transistor for subjecting a voltage value of the electrical signal to logarithmic conversion. The logarithmic conversion transistor comprises a first electrode which is one of a source electrode and a drain electrode, a second electrode which is the other of the source electrode and the drain electrode, and a gate electrode. The first electrode is connected to the photodiode. A first voltage is applied to the second electrode so that the logarithmic conversion transistor operates in a subthreshold region. The photodetector device further comprising a section for causing a voltage of the gate electrode to be in a floating state when the logarithmic conversion transistor subjects the voltage value of the electrical signal to logarithmic conversion.

Abstract: A plurality of pixel groups X(n) each comprising a plurality of pixels are set, and switched capacitor amplification parts are provided in correspondence to the pixel groups, respectively. Each of the switched capacitor amplification parts has a charge detection node to which output terminals of the transfer transistors of a corresponding pixel group X(n) are connected in common, an amplification part, a reset transistor, a first capacitance element, and a select transistor. A load part common to the switched capacitor amplification parts is provided. The load part is combined with the amplification parts of the switched capacitor amplification parts to constitute inverting amplifiers, respectively. By means of the above constitution, it is capable of obtaining a noise-reduced, high-quality image and which allows transistor count per pixel to be cut, thus allowing the pixel size to be reduced.

Abstract: A lighting device includes a plurality of self-luminous elements formed on a substrate and emitting different wavelengths of light from each other, a hemispherical lens structure formed on the substrate to cover the self-luminous elements, and a plurality of translucent spherical particles covering a surface of the lens structure. Light emitted from the self-luminous elements passes through the lens structure and enters the translucent spherical particles where its direction is largely inclined to scatter due to a difference in refractive index between the translucent spherical particles and air. Consequently, different wavelengths of light from the self-luminous elements are mixed to produce a desired color of light.