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Himax Technologies Limited patents


Recent patent applications related to Himax Technologies Limited. Himax Technologies Limited is listed as an Agent/Assignee. Note: Himax Technologies Limited may have other listings under different names/spellings. We're not affiliated with Himax Technologies Limited, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "H" | Himax Technologies Limited-related inventors


Method and electrical device for merging fingerprint images

The method includes: setting up a hierarchy structure, wherein the hierarchy structure includes more than 2 levels, each slice in a lowest level of the levels is a single fingerprint image generated by a fingerprint sensor, a slice in a second level of the levels includes at most m slices in a first level of the levels, the second level is one level higher than the first level, and m is a positive integer greater than 1; obtaining a new fingerprint image, adding the new fingerprint image into the lowest level, arid updating the hierarchy structure; and outputting an enroll fingerprint image according to a slice in a highest level.. . ... Himax Technologies Limited

Image sensor

An image sensor is provided. The image sensor includes an infrared receiving portion and a visible light receiving portion. ... Himax Technologies Limited

Image sensor

An image sensor is provided. The image sensor includes a visible light receiving portion and an infrared receiving portion. ... Himax Technologies Limited

Sub-pixel rendering method for delta rgbw panel and delta rgbw panel with sub-pixel rendering function

A sub-pixel rendering method for a delta rgbw panel and a delta rgbw panel with sub-pixel rendering function are provided. The sub-pixel rendering method for a delta rgbw panel is disclosed. ... Himax Technologies Limited

Touch display apparatus and method for touch display panel

A touch display apparatus is provided, which includes a panel and a circuit. The panel is configured for display, active stylus sensing and touch sensing, which includes a sensing layer having sensing blocks arranged in an array of rows and columns. ... Himax Technologies Limited

Band selected clock data recovery circuit and associated method

A clock data recovery (cdr) circuit includes: a band select circuit, a low dropout regulator (ldo), a charge pump and a voltage-controlled oscillator (vco), wherein the band select circuit is arranged to generate a digital signal according to at least a reference voltage; the ldo is arranged to regulate a ground voltage, wherein the ldo adjusts an operating band of the ldo by receiving at least a part of the digital signal to adjust a bias current of an amplifier of the ldo; the charge pump is arranged to generate a control voltage according to at least a part of the digital signal; and the vco is arranged to generate a clock signal according to the control voltage, wherein the vco adjusts an operating band of the cdr circuit by receiving at least a part of the digital signal to adjust a bias current of the vco.. . ... Himax Technologies Limited

Fingerprint sensing circuit and electrical device

The fingerprint sensing circuit including sensing electrodes, switches, a sensing line and flip flops. First terminals of the switches are respectively coupled to the sensing electrodes. ... Himax Technologies Limited

Touch device and waking up method thereof

A touch device and a waking up method thereof are provided. The touch device includes a sensing area and a sensing circuit. ... Himax Technologies Limited

Method of macro placement and a non-transitory computer readable medium thereof

A method of macro placement includes partitioning an entire region of a semiconductor chip into sub-regions; determining a packing sequence of a plurality of movable macros in the sub-region; extracting search points of a plurality of placed blocks in the sub-region with respect to one of the movable macros; determining a feasible region associated with the search point; packing said movable macro in the feasible region; evaluating a legalizing cost function; and determining whether a value of the evaluated legalizing cost function is less than a predetermined threshold value.. . ... Himax Technologies Limited

Methods of fabricating an image sensor

A method of fabricating an image sensor includes the following steps. A substrate is provided. ... Himax Technologies Limited

Vacuum suction apparatus

A vacuum suction apparatus includes a semiconductor substrate with a top portion having grooves and a bottom portion having through holes, wherein each said groove correspondingly connects with at least one said through hole, and the groove has a width greater than a width of the through hole; and a cover plate disposed on a top surface of the semiconductor substrate. At least one edge of the vacuum suction apparatus has a vacuum chamber, which connects with the grooves. ... Himax Technologies Limited

Clustering method with a two-stage local binary pattern and an iterative image testing system thereof

A clustering method with a two-stage local binary pattern includes generating a gradient direction value according to a center sub-block and neighbor sub-blocks of a patch of an image; quantizing the gradient direction value, thereby generating a quantized gradient direction value; generating a gradient magnitude value according to the gradient direction value; quantizing the gradient magnitude value, thereby generating a quantized gradient magnitude value; concatenating the quantized gradient direction value and the quantized gradient magnitude value to generate a two-stage local binary pattern (2slbp) value; and performing clustering of super-resolution imaging by using the 2slbp value as an index.. . ... Himax Technologies Limited

Methods of fabricating an image sensor

A method of fabricating an image sensor includes the following steps. A substrate is provided. ... Himax Technologies Limited

Image sensor

An image sensor is provided. The image sensor includes a visible light receiving portion and an infrared receiving portion. ... Himax Technologies Limited

03/15/18 / #20180076242

Image sensor

An image sensor is provided. The image sensor includes a visible light receiving portion and an infrared receiving portion. ... Himax Technologies Limited

03/08/18 / #20180070028

Image sensor

An image sensor is provided. The image sensor includes a visible light receiving portion and an infrared receiving portion. ... Himax Technologies Limited

03/01/18 / #20180060634

Dermatoglyph identification apparatus and identifying method thereof

A dermatoglyph identification apparatus and an identifying method thereof are provided. The dermatoglyph identification apparatus includes a switch circuit, a signal source and a plurality of sensors. ... Himax Technologies Limited

02/15/18 / #20180046843

Iterative matching method and system for partial fingerprint verification

An iterative matching method for partial fingerprint verification includes providing database features and input features; initially comparing the input features with the database features using one of the database features as a first reference point, resulting in initial matched feature pairs between initial matched database features and corresponding initial matched input features; and progressively comparing the input features with the database features using a gravity center of the initial matched database features as a second reference point, resulting in progressive matched feature pairs between progressive matched database features and corresponding progressive matched input features.. . ... Himax Technologies Limited

01/11/18 / #20180012409

Photometric compensation method and system for a see-through device

A photometric compensation for a see-through device is disclosed. A photometric model is provided in which a total response is a sum of a response to a device light from the see-through device and a response to a scene light from a scene. ... Himax Technologies Limited

12/28/17 / #20170372125

Material identifying system and related identifying method

A material identifying system includes an identifying panel, a voltage source and a determining circuit. The voltage source is arranged to transmit a voltage signal to an object to be identified via the identifying panel in order to obtain an impedance of the object, wherein the voltage source adjusts a frequency of the voltage signal in a predetermined range to find a specific frequency in the predetermined range where the impedance of the object is minimum. ... Himax Technologies Limited

12/28/17 / #20170370976

Capacitor sensor apparatus and sensing method thereof

A capacitor sensor apparatus and a sensing method thereof are provided. Oscillation signals with different frequencies are provided to a driving circuit and a mixer separately. ... Himax Technologies Limited

12/21/17 / #20170366725

Auto exposure control system and method

An auto exposure control system includes a mean statistics unit that generates a weighted mean brightness value for an image array; a target control unit that determines a target brightness value according to an ambient status that is determined in accordance with an ambient light value, wherein, in one embodiment, the weighted mean brightness value is used as the ambient light value; a stabilization unit that generates stabilization control signals for the target control unit according to the ambient light value and ambient status information provided by the target control unit; and an exposure value control unit that computes a desired exposure value by comparing the target brightness value with the weighted mean brightness value and determines an exposure command according to the desired exposure value.. . ... Himax Technologies Limited

11/30/17 / #20170346392

Charge pump circuit outputting high voltage without high voltage-endurance electric devices

The charge pump circuit includes multiple boosting stages, and each stage includes following units. A first switch circuit is controlled by a first clock signal to couple a second terminal of a first capacitor to a first input terminal or a second input terminal. ... Himax Technologies Limited

11/23/17 / #20170336888

Touch sensing circuit and in-cell display panel using the same

The prevent disclosure is directed to a touching sensing circuit for an in-cell display panel. An electrode is disposed between two substrates of the in-cell display panel. ... Himax Technologies Limited

11/09/17 / #20170324974

Image processing apparatus and image processing method thereof

An image processing apparatus and an image processing method thereof are provided. A shared storage unit of a motion estimation and motion compensation apparatus captures frame data of a storage unit through a bus. ... Himax Technologies Limited

11/09/17 / #20170322657

Touch display

The present disclosure provides a touch display having a force touch function. The touch display includes a backlight module, a liquid display panel and a force touch sensing circuit. ... Himax Technologies Limited

10/26/17 / #20170307901

Collimating lens

A collimating lens includes at least two lens groups, each having an aspherical surface. The collimating lens also includes a flat diffraction lens disposed nearest to an image plane.. ... Himax Technologies Limited

10/26/17 / #20170307900

Collimating lens

A collimating lens includes at least two lens groups, each having an aspherical surface. The collimating lens also includes a flat diffraction lens disposed nearest to an image plane.. ... Himax Technologies Limited

10/26/17 / #20170305085

Imprinting apparatus and imprinting method

An imprinting apparatus includes a first conveyer unit, a flexible imprinting mold film and a driving roller set. The first conveyer is adapted to convey a workpiece to a working region of the imprinting apparatus. ... Himax Technologies Limited

10/05/17 / #20170287430

Output amplifier of a source driver and control method thereof

An output amplifier of a source driver and a control method thereof are provided. The output amplifier includes a first switch circuit, a second switch circuit, a third switch circuit, a first input stage circuit, a second input stage circuit, a first active load circuit, a second active load circuit, a first positive output stage circuit, a first negative output stage circuit, a second positive output stage circuit and a second negative output stage circuit. ... Himax Technologies Limited

09/28/17 / #20170277331

Driver integrated circuit applying image processing driving method and touch display system

A driving method of a touch display panel includes: selectively operating in a display mode and a touch detecting mode; when operating in the display mode during a first frame period, processing a first frame to generate an image processing indicator of a second frame for indicating an image processing level of the second frame; when operating in the touch detecting mode during the first frame period, generating a control signal when a touch is detected; wherein when the control signal is generated, processing the second frame according to an image processing indicator of the first frame for indicating an image processing level of the first frame when operating in the display mode during a second frame period, instead of using the image processing indicator of the second frame.. . ... Himax Technologies Limited

09/21/17 / #20170270332

Fingerprint identification device

A fingerprint identification device includes a sensing array, a reading line, a first signal source, and first to third signal lines. The reading line is disposed in a first metal layer and is electrically connected to a sensing electrode. ... Himax Technologies Limited

09/14/17 / #20170262682

Fingerprint identification system, a driving circuit and a fingerprint identification method

A fingerprint identification system is provided. The fingerprint identification system includes a sensing panel and a driving circuit. ... Himax Technologies Limited

07/06/17 / #20170192555

Capacitive touch device and detection method of capacitive touch panel thereof

A capacitive touch device and a detection method of a capacitive touch panel thereof are provided. The capacitive touch device includes a plurality of touch electrodes, a detector unit, a plurality of switch units and a touch point determination unit. ... Himax Technologies Limited

06/29/17 / #20170187997

Projector, electronic device having projector and associated manufacturing method

A projector includes a laser module for generating a laser beam and a wafer-level optics. The wafer-level optics includes a first substrate, a first collimator lens and a diffractive optical element, wherein the first collimator lens is manufactured on a first surface of the first substrate, and is arranged for receiving the laser beam from the laser module to generate a collimated laser beam; and the collimated laser beam directly passes through the diffractive optical element to generate a projected image of the projector.. ... Himax Technologies Limited

06/08/17 / #20170162170

Display system and driving method

A display system that includes a display panel and a display device is provided. The display panel has display pixels each of the display pixels including two sub display pixels. ... Himax Technologies Limited

05/18/17 / #20170139523

In-cell touch screen and a controller adapted thereto

A controller adapted to an in-cell touch screen includes a common voltage (vcom) circuit generating a common voltage at an output node of the vcom circuit, and a detecting circuit receiving a sensing signal at an input/output node of the detecting circuit. A display-mode switch is closed in a display mode such that a vcom electrode is set at the common voltage, and a touch-sensing-mode switch is closed in a touch sensing mode such that the sensing signal from the vcom electrode is received and processed by the detecting circuit. ... Himax Technologies Limited

05/11/17 / #20170131529

Lens module

A lens module includes a lens set and a prism. The lens set has a first light emitting surface and a first engaging structure, wherein the first engaging structure is formed on the first light emitting surface. ... Himax Technologies Limited

05/04/17 / #20170124380

Fingerprint image processing method and device

Fingerprint image processing method and device are provided, and the fingerprint image processing method includes following steps. A plurality of first fingerprint features are extracted from a fingerprint image by a first search algorithm. ... Himax Technologies Limited

05/04/17 / #20170123527

Touch display system, and driving apparatus and driving method thereof

A touch display system, and a driving apparatus and a driving method thereof are provided. The driving apparatus includes at least one gate driver, at least one source driver, a common voltage generator and a switching circuit. ... Himax Technologies Limited

05/04/17 / #20170123223

Collimating lens

A collimating lens includes at least two lens groups, each having an aspherical surface. The collimating lens also includes a flat diffraction lens disposed nearest to an image plane.. ... Himax Technologies Limited

05/04/17 / #20170123183

Array lens system

An array lens system composed of a plurality of array lenses, each includes a first optical device with a first reflection surface, a positive-powered first lens group, a positive-powered second lens group, a negative-powered third lens group, a second optical device with a second reflection surface, and a negative-powered fourth lens group arranged in an order from an object side to an image side.. . ... Himax Technologies Limited

03/30/17 / #20170092184

Driving apparatus and method for driving display panel thereof

A driving apparatus and a method for driving a display panel thereof are provided. The driving apparatus includes an output buffer, a switch, an adjusting circuit, a digital-to-analog converter and a code detecting unit. ... Himax Technologies Limited

03/16/17 / #20170077080

Silicon-controlled rectifier and an esd clamp circuit

A silicon-controlled rectifier (scr) includes a first-type field, a second-type first field and a second-type second field disconnectedly formed in a first-type well; an entire first-type doped region formed within the first-type field; a segmented second-type doped region formed within the second-type first field; and a segmented first-type doped region formed within the second-type second field.. . ... Himax Technologies Limited

03/02/17 / #20170064279

Multi-view 3d video method and system

A multi-view 3d video method and system are disclosed. 3d points of an initial 3d model are projected back into back-projected points in image space. ... Himax Technologies Limited

03/02/17 / #20170060295

Touch driving apparatus, touch driving method and touch display system

A touch driving apparatus, a touch driving method, and a touch display system are provided. The touch display system includes a touch display panel, a common voltage generator, and a touch driving apparatus. ... Himax Technologies Limited

01/26/17 / #20170025052

Display system and driving method

A display system includes a sub-pixel rendering unit, a detection unit, a compensation unit, and a data re-arrangement unit. The sub-pixel rendering unit is configured to generate first pixel values for pixels according to a video signal. ... Himax Technologies Limited

01/26/17 / #20170024034

In-cell touch screen and a method of driving the same

The present invention is directed to a method of driving an in-cell touch screen. Source lines underlying a current vcom electrode are divided into n groups. ... Himax Technologies Limited

01/26/17 / #20170023776

Wafer level lens system and method of fabricating the same

A wafer level lens system includes a target lens and a wafer level lens group. The target lens includes a first surface, a second surface, and a first fitting structure. ... Himax Technologies Limited

01/12/17 / #20170011497

Bilateral filter and a method thereof

A bilateral filtering method includes decomposing an image patch by pixel intensity to form a stack of patches; computing spatial filtering response of each intensity; multiplying the spatial filtering response of each intensity by corresponding intensity, thereby resulting in multiplied spatial filtering response of each intensity; and summing up the multiplied spatial filtering responses of different intensities weighted with corresponding range weights.. . ... Himax Technologies Limited

01/12/17 / #20170010701

Touch panel

A touch panel, including a lower film layer, an upper film layer, a protective layer, and a plurality of sensing units, is provided. The upper film layer is disposed on the lower film layer. ... Himax Technologies Limited

01/12/17 / #20170010653

Touch controller apparatus and a method for waking up an electronic device

A touch controller apparatus configured to sense a gesture performed on an electronic device is provided. The touch controller apparatus includes a touch controller, a system controller, an accelerator sensor, and a proximity sensor. ... Himax Technologies Limited








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