Samsung Display Co., Ltd.

Gachon University of Industry-Academic Cooperation Foundation

Gil Medical Center

Ji-Hye Lee

Yoon-Hyeung Cho

Won-Jong Kim

Sang-Hoon Yim

Dong-Chan Kim

Eung-Do Kim

Dong-Kyu Seo

Jun-Young Chung

Da-Hea Im

Sang-Yoon Lee

Seong-Ho Seo

Won-Suk Han

Chong-Chul Chai

Bo-Yong Chung

Yong-Koo Her

An-Su Lee

Jae-Keun Lim

Jun-Hyun Park

Kang-Moon Jo

A variable PET apparatus allows structural changes of detector modules in transversal and longitudinal directions to correspond to various imaging purposes and a cross-sectional diameter of a subject while maintaining an arrangement of the detector modules to be close to a true circle. The variable PET apparatus includes: a gantry having an opening on a longitudinal axis; and detector modules supported on the gantry and arranged a predetermined distance apart from each other such that a detection ring is configured with a diameter in a circumferential direction, wherein the gantry is driven by a gantry drive member, and the detector modules are driven by a detector module drive member. According to the present invention, structural changes of the detector modules in the PET apparatus is possible to correspond to a cross-sectional diameter of a subject without additional devices, thereby improving the spatial resolution and sensitivity.

Variable PET apparatus

Disclosed is a multi-axially variable detection module of a PET apparatus, the detection module including: a gantry having a through-hole extending from a side to an opposite side of the gantry; a detection module in which a plurality of detectors for detecting gamma rays emitted from a subject are arranged annularly along an inner circumference of the gantry; and a driving means for moving the plurality of detectors constituting the detection module in a radial direction of the detection module, wherein each of the plurality of detectors is rotatable in a longitudinal direction of the detection module to vary a length thereof in the longitudinal direction, and each of the plurality of detectors include multiple detector elements which are engaged with each other in a hinged manner in a transverse direction (circumferential direction) of the detection module to form a flat or an arc shape.

Multi-axially variable detection module of pet apparatus

A mirror substrate includes a transparent substrate, a plurality of first mirror patterns arranged on the transparent substrate and spaced apart from each other, each of the first mirror patterns including a phase compensation layer and a first mirror layer sequentially stacked on the transparent substrate, and a second mirror layer disposed on the transparent substrate and between neighboring ones of the first mirror patterns, the second mirror layer having a second thickness less than a first thickness of the first mirror layer.

Mirror substrates, methods of manufacturing the same and display devices including the same

A pixel includes first to fourth transistors and a driving transistor. The first transistor is connected between a data line and a first node and has a gate electrode to receive a scan signal. The driving transistor is connected between the first node and a second node and has a gate electrode connected to a third node. The second transistor is connected between the second and third nodes and has a gate electrode to receive the scan signal. The third transistor is connected between first power and the first node and has a gate electrode to receive an emission signal. The fourth transistor is connected between the first and second nodes and has a gate electrode to receive an initialization signal. An organic light emitting diode is connected between the second node and second power. A storage capacitor is connected between the first power and third node.

Pixel and display device having the same

A scan driver includes a plurality of decoder type stages respectively outputting a plurality scan signals. An n-th stage includes a first input block configured to provide a first DC voltage to a first node in response to a plurality of selection signals, a pull-down block configured to pull down a first node voltage, a second input block configured to reduce a voltage drop of a second node voltage when a scan signal is output, and to provide a second DC voltage to a second node in response to the selection signals, a buffer block configured to output the first node voltage, that is a buffer output voltage, in response to the first node voltage and the second node voltage, and an output block configured to output the scan signal.

Scan driver for outputting a sensing scan signal to detect a driving current of pixels and display device having the same

Growing community of inventors

Incheon, South Korea

Ji-Hye Lee