G06V40/1329

Detection device and method for manufacturing the same

According to an aspect, a detection device includes a plurality of light-receiving elements configured to receive light, and a light guide portion one surface of which faces the light-receiving elements. The light guide portion includes a plurality of light guide paths provided throughout from the one surface to the other surface of the light guide portion, and a light-absorbing portion having higher absorbance of the light than that of the light guide paths. When viewed from a direction in which the light-receiving elements and the light guide portion are stacked, more than one of the light guide paths overlap one of the light-receiving elements.

FINGERPRINT SENSOR PACKAGE AND SENSOR PACKAGE
20230119690 · 2023-04-20 · ·

A fingerprint sensor package may include a film substrate, an interconnection substrate on the film substrate, a semiconductor chip on the interconnection substrate, a conductive structure on the interconnection substrate and laterally isolated from direct contact with the semiconductor chip, and an interposer substrate on the semiconductor chip and the conductive structure. The conductive structure may include first and second conductive structures, which are electrically separated from each other. The interposer substrate may include a first sensing pattern electrically connected to the first conductive structure and a second sensing pattern on a top surface of the first sensing pattern and electrically connected to the second conductive structure. The second sensing pattern may be vertically isolated from direct contact with from the first sensing pattern. The second sensing pattern may have a longitudinal axis parallel to a direction crossing a longitudinal axis of the first sensing pattern, in a plan view.

Fingerprint sensor housing with non-uniform thickness
11625945 · 2023-04-11 · ·

A sensor assembly includes a cover layer and a first sensor apparatus. The cover layer is molded from a first material to have a planar surface and non-uniform thickness, where a thickness of the first material at a first region of the cover layer is less than a thickness of the first material surrounding the first region. The first sensor apparatus is disposed beneath the planar surface of the cover layer, within the first region. The first sensor apparatus is configured to transmit and receive first capacitive sensing signals through a portion of the planar surface coinciding with the first region. For example, the first sensor apparatus may be a fingerprint sensor configured to detect a fingerprint on the portion of the planar surface coinciding with the first region based on changes in the first capacitive sensing signals.

DISPLAY DEVICE
20230107527 · 2023-04-06 · ·

A display device includes a display unit emitting an output light that has an output spectrum corresponding to a highest gray level of the display device. A maximum peak of the output spectrum between 380 nm and 493 nm is defined as a first intensity peak. A secondary peak of the output spectrum between 380 nm and 493 nm is defined as a second intensity peak. A first sub-peak ratio of the second intensity peak to the first intensity peak is in a range from 7.0% to 75.0%.

Under-Display Sensor Lamination

This document describes systems and techniques directed at under-display sensor lamination. In aspects, an electronic device having a mechanical frame designed with a bucket architecture includes an under-display sensor attached to one or more layers of a display panel stack. Such an implementation enables attachment of the under-display sensor to a protective layer, as opposed to attachment of the sensor directly to a display panel, minimizing the risk of delamination, as well as reducing damage to the display panel if delamination occurs and rework is attempted. Further, such an implementation removes the need for a mid-frame architecture, resulting in a thinner and lighter electronic device.

Fingerprint recognition device and a driving method thereof

A fingerprint recognition device including: a sensing panel including a plurality of sensing blocks, wherein each of the sensing blocks includes a plurality of sensors; a scan driving unit configured to provide a scan signal to the sensors; and a timing controller configured to provide a second initiation signal to the scan driving unit, wherein each of the sensors includes a reference capacitor and a sensing capacitor, the scan driving unit includes scan drivers that correspond to rows of the sensing blocks, in a fingerprint recognition mode, the timing controller provides the second initiation signal to a scan driver corresponding to a sensing block where a touch input is generated, and in a touch mode, the timing controller sequentially provides the second initiation signal to the scan drivers.

FINGERPRINT SENSOR DEVICE, DISPLAY DEVICE INCLUDING THE SAME, AND METHOD FOR DRIVING THE DISPLAY DEVICE
20220317852 · 2022-10-06 ·

A display device includes a display panel including a plurality of touch electrodes, a touch driving circuit electrically connected to the plurality of touch electrodes, and a fingerprint sensor device disposed on one surface of the display panel and including a plurality of unit blocks. The fingerprint sensor device includes a plurality of fingerprint scan lines extending in a first direction, a plurality of fingerprint sensing lines extending in a second direction crossing the first direction, a plurality of sensor pixels respectively connected to the plurality of fingerprint scan lines and the plurality of fingerprint sensing lines, and a fingerprint scan driver having a plurality of stages for applying a fingerprint scan signal to each of the plurality of fingerprint scan lines. The touch driving circuit applies a start signal to the fingerprint scan driver.

Biometric sensor and device including the same

A display device includes a display panel, a cover glass disposed on the display panel, and a biometric sensor device disposed below the display panel. The biometric sensor device includes a printed circuit board, a biometric sensor disposed on the printed circuit board, and a housing disposed on the printed circuit board and in which an opening is formed. The biometric sensor is disposed in the opening of the housing and is attached to a surface of the display panel through the housing.

CONTROLLER WITH BIOMETRIC SENSOR PATTERN
20230136964 · 2023-05-04 ·

In one example, a display unit comprises a display panel that is configured to display digital images. The display unit further comprises an at least partially transparent protective layer that is arranged above the display panel. The display unit further comprises a controller that is communicatively attached onto an upper surface of the display panel. A biometric sensor pattern is integrated in the controller, and the controller is configured to control the biometric sensor pattern.

Flexible Display Module and Flexible Display Apparatus
20230135045 · 2023-05-04 ·

A flexible display module includes a cover, a flexible display panel, a rigid backplane component, and an optical device that are sequentially disposed. The optical device is disposed on a side of the rigid backplane component and is away from the flexible display panel. The rigid backplane component includes a rigid backplane body and a rigid light-transmitting component. The rigid light-transmitting component is disposed between the optical device and the flexible display panel, and the rigid light-transmitting component has a light transmission feature and is rigid.