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Radiant Energy > Photocells; Circuits And Apparatus

Photocells; Circuits And Apparatus

Photocells; Circuits And Apparatus patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

11/13/14 - 20140332660 - Orthographic lens system
A collimator for a detector, much like a 2D anti-scatter collimator of a computed tomography system, this system places a 2D collimator (1) between the object (2) and the detector (3). This system uses the 2D collimator in the place of a lens in a camera body, it is used...

10/30/14 - 20140319317 - Photo-sensor
According to one aspect of the invention, there is provided a photo-sensor comprising: an optically transparent substrate; an electrode pair; and a photoactive film with electrical polarization located between the optically transparent substrate and the electrode pair, wherein the optically transparent substrate is configured to transmit incident radiation received by...

10/09/14 - 20140299741 - Transparent photodetector for mobile devices
An apparatus comprises a graphene film; a first arrangement of quantum dots of a first type located in contact with the graphene film as a first monolayer; a second arrangement of quantum dots of a second type located in contact with the graphene film as a second monolayer; an input...

10/02/14 - 20140291479 - Backside configured surface plasmonic structure for infrared photodetector and imaging focal plane array enhancement
The invention relates to quantum dot and photodetector technology, and more particularly, to quantum dot infrared photodetectors (QDIPs) and focal plane array. The invention further relates to devices and methods for the enhancement of the photocurrent of quantum dot infrared photodetectors in focal plane arrays....

09/18/14 - 20140263944 - Light sensing device with outgassing hole
A light sensing device includes a substrate, a light sensing area on the substrate, and a light shielding layer over the substrate. The light shielding layer does not cover the light sensing area. At least one outgassing hole is formed through the light shielding layer....

09/18/14 - 20140263945 - Floating-gate transistor photodetector
A field effect transistor photodetector that can operate in room temperature includes a source electrode, a drain electrode, a channel to allow an electric current to flow between the drain and source electrodes, and a gate electrode to receive a bias voltage for controlling the current in the channel. The...

06/12/14 - 20140158859 - Photoelectric conversion element and method of using the same, image sensor, and optical sensor
A photoelectric conversion element includes a transparent conductive film, a conductive film, and a photoelectric conversion layer and an electron-blocking layer disposed between the transparent conductive film and the conductive film. The photoelectric conversion layer includes a condensed polycyclic hydrocarbon which contains at least 5 benzene rings, of which a...

05/29/14 - 20140145063 - Laser sensor assembly and control method of the same
Provided is a laser sensor assembly and a method of controlling the laser sensor assembly. A laser sensor assembly includes a supporting unit; a rotary shaft unit formed onto the supporting unit, wherein the rotary shaft unit is rotatable, and has at least one bent portion to form a certain...

03/27/14 - 20140084133 - Electromagnetic interference identification
A system and method for device identification includes a receiver adapted to detect an electromagnetic radiation interference signal emitted by a device and a microprocessor operatively connected to the receiver. The microprocessor may identify at least one device characteristic parameter of the electromagnetic radiation signal. The system includes memory for...

02/27/14 - 20140054442 - Nanocomposite photodetector
A photodetector includes an anode that is transparent or partially transparent to light, a cathode and an active layer disposed between the anode and the cathode. The active layer includes a nanocomposite material that has a polymer blended with nanoparticles or organic electron trapping particles. The photodetector has a low...

02/20/14 - 20140048679 - Light sensor and driving method of photo transistor thereof
A light sensor including a photo transistor is provided. A gate of the photo transistor receives a gate driving signal. The photo transistor senses a light source based on the gate driving signal to generate a light current signal. The photo transistor includes a metal-oxide active layer. The gate driving...

01/09/14 - 20140008514 - Imaging device
An imaging device includes phase difference detection pixels. The imaging device receives an image formed by an optical system and includes a plurality of pixels that are two-dimensionally arranged. Each of the plurality of pixels include a micro lens; a photoelectric conversion unit positioned below the micro lens; and an...

10/03/13 - 20130256503 - Providing image data
Embodiments of the present invention provide a method of providing image data for constructing an image of a region of a target object (40) comprising providing incident radiation from a radiation source at a target object (40);detecting, by at least one detector (50), a portion of radiation scattered by the...

08/22/13 - 20130214120 - Light source support apparatus and optical radiation characteristic measurement apparatus using the same
A light source support apparatus includes: a base member; a first support member supporting the base member rotatably about a first axis; first and second arm members connected respectively to opposite ends of the base member and extending in a direction parallel to the first axis; and a pair of...

07/25/13 - 20130187026 - Monitoring device of a machine tool
A monitoring device of a machine tool is provided. The monitoring device includes a detection device that is configured to detect the presence of a type of material in a machine tool region. The monitoring device also includes a hand marking unit, which has a marking element. The marking element...

05/23/13 - 20130126700 - Graphene-based photodetector including complex transparent electrode, method of manufacturing the same, and device including the same
A photodetector includes a substrate, a graphene layer disposed on the substrate, a first electrode disposed on the graphene layer, and a second electrode disposed on the graphene layer, where the first and second electrodes are spaced apart from each other, and where each of the first and second electrodes...

01/31/13 - 20130026340 - Electronic device employing a button pad
A display device has a cabinet; a button provided on the cabinet; a switch being pushed by the button; a circuit board including the switch, and a button pad which comprises: (a) a button portion; (b) a peripheral portion which is in the surroundings of the button portion, and (c)...

01/31/13 - 20130026341 - Photoelectric conversion element and solid-state imaging apparatus
A photoelectric conversion material is provided and includes an organic material having an absorbing coefficient of about 1.5×105 (cm−1) or more and that is represented by the following formula (1). In the formula (1), each of R1 to R20, and each of X1 to X8 is one of a hydrogen...

01/24/13 - 20130020461 - Rearview mirror with monitor
When a reflecting film of a mirror device employed in a rearview mirror with monitor is processed with laser light, a part from which the reflecting film is removed by the laser light transmits light therethrough, while the remaining part reflects the light. Therefore, the light transmittance can be changed...

11/15/12 - 20120286135 - Low drop-out regulator with distributed output network
Disclosed is a low drop-out voltage regulator circuit with a distributed output network coupled to a pixel array for use in image sensor circuitry. The regulator circuit comprises voltage regulating circuitry and a distributed output network, wherein the distributed output network comprises drive transistors disposed along and connected between a...

09/27/12 - 20120241589 - Electromagnetic spectrally detectable plastic packaging components
A plastic packaging component is provided that is formed of a resin containing an electromagnetic spectrally detectable additive mixed with the resin. The resin formed into a plastic packaging component of an aerosol package lid, an aerosol spray button, an aerosol spray tube, a trigger sprayer, an integrated lid-sprayer, a...

09/20/12 - 20120235015 - Merocyanine dye and photoelectric conversion device
In the formula (1), A1 represents a divalent atomic group, n represents an integer of 1 to 3, A2 and A3 each independently represent an aromatic hydrocarbon ring or a heterocyclic ring having 3 to 18 carbon atoms, and R11 and R12 each independently represent a hydrogen atom, an alkyl...

08/16/12 - 20120205518 - Sensing of photons
In accordance with an example embodiment of the present invention, an apparatus is provided, including a photodetecting structure with one or more photon sensing layers of graphene; and an integrated graphene field effect transistor configured to function as a pre-amplifier for the photodetecting structure, where the graphene field effect transistor...

07/26/12 - 20120187274 - Radiation detector
With radiation detectors in which the energy of radiation is absorbed in a semiconductor or insulator radiation absorber, where that energy is converted to phonons, and the radiation is measured by measuring those phonons with a phonon sensor provided on the surface of the radiation absorber, part of the energy...

06/21/12 - 20120153119 - Active bandgap tuning of graphene for tunable photodetection applications
In a method for adjusting the sensitivity of a photodetector, the bandgap of the photodetection material is adjusted by inducing strain in the photodetection material. Such adjustments can be made in situ and continuously, in a reproducible and repeatable manner. In embodiments of the method, the photodetection material is graphene,...

06/07/12 - 20120138770 - Non-wetted all solid protein photoelectric conversion device, method of manufacturing the same, and electronic device
A non-wetted all solid protein photoelectric conversion device that is able to be operated without existence of a liquid such as water inside and outside of the device and a method of manufacturing the same are provided. The non-wetted all solid protein photoelectric conversion device has a structure in which...

04/26/12 - 20120097832 - Electrospun light-emitting fibers
The invention teaches electrospun light-emitting fibers made from ionic transition metal complexes (‘iTMCs”) such as [Ru(bpy)3]2+(PF6−)2]/PEO mixtures with dimensions in the 10.0 nm to 5.0 micron range and capable of highly localized light emission at low operating voltages such as 3-4 V with turn-on voltages approaching the band-gap limit of...

11/03/11 - 20110266414 - Metallic structure and photodetector
In a metallic structure including a metallic nano-chain with plasmon resonance absorption, a metallic nanoparticle forming the metallic nano-chain is formed in a circular, triangle, or rhomboid shape. The wavelength selectivity can be increased also by forming a closed region by mutually linking all of metallic nanoparticles that are mutually...

10/20/11 - 20110253880 - Optical reader having enhanced two-dimensional resolution
An optical reader system and method for label-independent detection having enhanced two-dimensional spatial resolution of the reader, as defined herein. The system includes a translatable slit-mask and microplate combination for selectively irradiating a biosensor on a microplate, as defined further herein....

09/15/11 - 20110220774 - Light beam detector
Light beam detection is used in a wide variety of applications, including manufacturing, security, transportation, scientific research, and amusement products. A system for detecting a moving light beam is comprised of a light beam detector, a moving light system, and a controller. A light beam detector may include a light...

05/05/11 - 20110101201 - Photodetector array having electron lens
Photodetectors, photodetector arrays, image sensors, and other apparatus are disclosed. An apparatus, of one aspect, may include a surface to receive light, a photosensitive region disposed within a substrate, and a material coupled between the surface and the photosensitive region. The material may receive the light. At least some of...

02/03/11 - 20110024604 - Radiation detector and radiation detection method
The present invention provides radiation detectors with high detection sensitivity. The radiation detectors according to the present invention each include an Al2O3 substrate, a CaxCoO2 (where 0.15<x<0.55) thin film that is layered on the Al2O3 substrate and that has CoO2 planes that are aligned inclined to the surface of the...

01/20/11 - 20110012009 - Image sensor
An image sensor includes a light-sensing element, a first transistor, and a second transistor. The light-sensing element has a first end and a second end electrically connected to a select line. The first transistor has a first end electrically connected to a first control line, a control end electrically connected...

12/23/10 - 20100320362 - Wireless laser power transmitter
An optical power beam transmission systems, with a directional light transmitter and receiver. The transmitter contains an amplifying laser medium, and this together with a retroreflector in the receiver, forms a laser resonator. When lasing sets in, the receiver can extract optical power through an output coupler and convert it...

12/23/10 - 20100320363 - Optical sensor for measuring emission light from an analyte
The invention provides an optical sensor (100). The optical sensor (100) comprises a planar waveguide (120) capable of emitting radiation (22) in a direction perpendicular to the sensor waveguide surface (122) and capable of accepting and transmitting radiation (16) to detector (140), preferably a planar detector (140). Further, optionally one...

08/26/10 - 20100213348 - Separated unit pixel preventing sensitivity reduction and the driving method using the unit pixel
Provided are a separation type unit pixel for preventing sensitivity reduction to prevent a depletion area from decreasing and a method of driving the unit pixel. The separation type unit pixel for preventing sensitivity reduction includes: a substrate; a photodiode constructed with a junction of a P-type diffusion area and...

08/05/10 - 20100193666 - Image sensor with large-area, high-sensitivity and high-speed pixels
The pixel for use in an image sensor comprises a low-doped semiconductor substrate (A). On the substrate (A), an arrangement of a plurality of floating areas, e.g., floating gates (FG2-FG6), is provided. Neighboring floating gates are electrically isolated from each other yet capacitively coupled to each other. By applying a...

05/27/10 - 20100127153 - Photosensitive device and a method of manufacturing a photosensitive device
A photosensitive device (100), the photosensitive device (100) comprising a substrate (101) and a plurality of vertically aligned nanowire diodes (102 to 105) provided on and/or in the substrate (101)....

12/10/09 - 20090302195 - Nanophosphor composite scintillators comprising a polymer matrix
An improved nanophosphor composite comprises surface modified nanophosphor particles in a solid matrix. The nanophosphor particle surface is modified with an organic ligand, or by covalently bonding a polymeric or polymeric precursor material. The surface modified nanophosphor particle is essentially charge neutral, thereby preventing agglomeration of the nanophosphor particles during...

11/12/09 - 20090278028 - Current detection circuit, light receiving device using the same, and electronic device
A first transistor is provided on a current path for a phototransistor. A first resistor is provided between one terminal of the first transistor and the power supply line. A second transistor forms a current mirror circuit in cooperation with the first transistor, which amplifies with a predetermined amplification factor...

06/18/09 - 20090152439 - Organic photoelectric conversion device
An organic photoelectric conversion device is provided and includes: an organic photoelectric conversion layer that performs photoelectric conversion of incident light and generates a signal charge; a first electrode provided on one side of the organic photoelectric conversion layer and a plurality of second electrodes arranged on the other side...

05/07/09 - 20090114798 - Circular surface acoustic wave (saw) devices, processes for making them, and methods of use
The design, fabrication, post-processing and characterization of a novel circular design SAW (Surface Acoustic Wave) based bio/chemical sensor in CMOS technology is introduced. The sensors are designed in AMI 1.5 μm 2 metal, 2 poly process. A unique maskless post processing sequence is designed and completed. The three post-processing steps...