Osram Oled Gmbh

Nokia Corporation

Mikko Perälä

Hubert Halbritter

Désirée Queren

Peter Brick

Marco Antretter

Janne Tamminen

Frank Singer

Ossi Kalevo

Juha Alakarhu

Ulrich Streppel

Juergen Moosburger

Jens Richter

Thorsten Frank Baumheinrich

Ludwig Plötz

Jyrki Huusko

A sensor that detects a heart rate and/or a blood oxygen content includes a radiation source and a photodetector, wherein the radiation source includes a light-emitting diode array, the light-emitting diode array includes a plurality of emission regions, the emission regions each include a first light-emitting diode and a second light-emitting diode, the first light-emitting diode includes a first wavelength, the second light-emitting diode includes a second wavelength, and a distance between the first light-emitting diode and the second light-emitting diode within the emission regions is 100 micrometers or less.

Sensor that detects a heart rate and/or a blood oxygen content, and method of operating a sensor

An arrangement that illuminates and records a moving scene, including a light source that illuminates the moving scene, a control device that operates the light source, and a camera that records the moving scene, wherein the light source includes a plurality of pixels, each of which is configured to illuminate an area of the moving scene, the control device is configured to operate the pixels, and the light source includes at least one semiconductor component including at least one semiconductor chip containing two or more of the plurality of pixels.

Arrangement for illuminating and recording a moving scene

A radiation-emitting device including a radiation source, an emission surface through which radiation from the radiation source passes during operation, wherein the emission surface includes a plurality of pixels, each pixel includes a plurality of subpixels, in plan view of the emission surface, each pixel forms a partial area of the emission surface and each subpixel forms a portion of such partial area, for each pixel, at least first subpixels are operable individually and independently of one another, and all subpixels of a pixel together make up at most 50% of the area of the pixel so that in simultaneous operation of all subpixels radiation is emitted via at most 50% of the area of the pixel.

Radiation-emitting device

An illumination dystem, an electronic Device and a method for using an illumination device are disclosed. In an embodiment an illumination device includes at least one semiconductor component configured to generate radiation, an optical element and a control circuit, wherein the optical element is configured to direct the radiation into a field of view to be illuminated, wherein the semiconductor component has a plurality of pixels of a first type, each pixel configured to illuminate the field of view in regions with radiation in a visible spectral range, and at least one infrared pixel configured to illuminate the field of view at least in regions with radiation in an infrared spectral range, wherein the pixels of the first type are arranged in a first matrix arrangement and the infrared pixels are arranged in a second matrix arrangement, and wherein the pixels of the first type and the at least one infrared pixel are operable via the control circuit.

Illumination system, electronic device comprising an illumination system and use of an illumination system

A lighting device and a method for operating a lighting device are disclosed. In an embodiment, a lighting device includes at least one semiconductor component comprising a plurality of pixels and configured to generate light illuminating a field of view and a drive circuit, wherein the field of view is divided into a plurality of regions, wherein each pixel is configured to illuminate a region of the field of view, wherein each pixel comprises at least a first type subpixel and a second type subpixel, and wherein the first type subpixel is configured to emit light of a white color location and the second type subpixel is configured to emit light of a non-white color location.

Lighting device and method for operating a lighting device

A 3D display element is disclosed. In an embodiment a 3D display element includes a light-emitting component configured to emit light and an optical arrangement, wherein the light-emitting component includes a plurality of triplets, each triplet including a first, a second and a third light-emitting region, wherein the triplets are arranged side by side in a first lateral plane, wherein the regions are arranged side by side in the first lateral plane, wherein the optical arrangement is configured to diverge light of adjacent triplets passing through the optical arrangement, and wherein light of a triplet passing through the optical arrangement is mixed.

3D display element

A light-emitting semiconductor chip and a display device are disclosed. In an embodiment a light-emitting semiconductor chip includes an emission surface formed with a plurality of first emission regions and second emission regions, wherein the first emission regions and the second emission regions are configured to emit light of a predeterminable color location, wherein the first and second emission regions are separately controllable from each other, wherein the first emission regions and second emission regions are arranged next to one another in a first plane, wherein all second emission regions form at least a part of an outer edge of the emission surface, and wherein the first emission regions have a smaller extent than the second emission regions along at least one direction lying in the first plane.

Light-emitting semiconductor chip and display device

A display device is disclosed. In an embodiment a device includes at least one optoelectronic semiconductor component configured to generate primary radiation, a plurality of pixels, wherein each pixel includes at least a first subpixel configured to generate radiation in a first spectral range and a second subpixel configured to generate radiation in a second spectral range different from the first spectral range, wherein the first and second subpixels are each assigned an active region of the semiconductor component; and a radiation conversion element arranged downstream of at least some of the active regions, wherein the radiation conversion element configured to at least partially convert the primary radiation into a secondary radiation and to radiate the secondary radiation at a narrow angle.

Display device

A method for operating a display device is disclosed. In an embodiment, a method for displaying images or films via a display device includes emitting, for each radiation direction, a partial image composed of sub-pixels of all pixels belonging to this radiation direction and receiving control data for at least some of the sub-pixels at the display device by a data compression algorithm, wherein the data compression algorithm comprises a delta coding, wherein the delta coding includes an initial value, wherein the initial value includes one of the partial images defined as a main image, wherein at least some of the remaining partial images are received as deviations from the main image, and wherein edges of a three-dimensional object to be displayed are excluded from data compression when merging surfaces enclose a real angle of 135&#xb0; or less.

Method for operating an autostersoscopic display device, and autostereoscopic display device

A method of operating a camera system having an image sensor including a plurality of activatable image elements, wherein an active image element converts incoming radiation into readable image information, a radiation source including a plurality of activatable radiation elements, each active radiation element emitting electromagnetic radiation, and an integrated circuit coupled to the radiation source, the method including capturing at least one image, wherein during capturing of each single image different subsets of the image elements are successively each once activated and deactivated again after a predetermined exposure time, different subsets of the radiation elements are successively activated by the integrated circuit and deactivated again after a predetermined emission time, and each subset of the image elements is assigned a subset of the radiation elements activated with temporal overlap so that the active radiation elements emit radiation while the associated active image elements receive image information.

Method of operating a camera system and camera system

An optoelectronic lighting device that illuminates a scene to be captured as an image includes a pixelated emitter including a plurality of light emitting pixels that illuminate a scene to be captured as an image, and a driving device configured to individually drive the pixels depending on at least one parameter to illuminate the scene to be recorded with a predetermined illuminance distribution.

Optoelectronic lighting device, method of illuminating a scene, camera and mobile terminal

A display device and a method for operating a display device are disclosed. In an embodiment a display device includes a plurality of image points configured for emitting visible light of adjustable color by at least one semiconductor layer sequence, wherein the image points are independently controllable of one another, wherein each of the image points includes a plurality of types of pixels and each type of pixel is configured to emit light of a particular color, wherein the pixels are independently controllable of one another, wherein each of the pixels is divided into a plurality of subpixels, the subpixels being independently controllable of one another within the associated pixel, and wherein all subpixels of the associated pixel are configured for emitting light of the same color from the display device without further color change.

Display device with different size subpixels and operating method for such a display device

The specification and drawings present a new method, apparatus and software product for using a flash light with, e.g., light-emitting diodes (LEDs) or other light sources of a camera of an electronic device for improving quality of images provided by the camera. The flash related parameters comprising a white balance setting and/or exposure settings can be determined using, e.g., an ambient light level and an estimate of the flash light reflected from said object.

Image quality in cameras using flash

A communications apparatus is shown having an imaging device for capturing an image, and a flash for lighting an image to be captured. Also shown is the use of the apparatus. Software for matching a flash performance to other functions of a device is also shown. A radio communications apparatus embodiment is shown that comprises an imaging device including an image sensor and a rolling shutter, and a flash unit. The flash unit is operated at a certain flash frequency, and an exposure time is determined according to the flash frequency so that the image sensor is uniformly exposed by the rolling shutter during the determined exposure time.

Exposure time selection in a transmission apparatus with a camera

The imaging device comprises a flash light unit, an imaging unit, a memory comprising predetermined color balance parameters specific to the individual flash light unit, and an image processor to correct the image colors based on the parameters. The predetermined parameters are determined by imaging a white test target and stored into memory. The predetermined parameters are applied at a later stage for the color correction of actual images. Consistent image colors may be guaranteed in mass production of the imaging devices although the individual flash light units may have different spectral properties.

Growing community of inventors

Tampere, Finland

Mikko Perälä