公开(公告)号：US20220386982A1

公开(公告)日：2022-12-08

申请号：US17542095

申请日：2021-12-03

Applicant: LG ELECTRONICS INC.

Inventor： Youngjun JUNG ,  Seungchan BAEK ,  Taehyung KIM ,  Sangjun PARK ,  Mikiko ITO ,  Hyoungjoon JO

IPC: A61B6/00 ,  G01T1/24 ,  G01T1/20 ,  G01T1/202

Abstract: An X-ray detector integral with an automatic exposure control (AEC) device can include an X-ray detection part configured to detect X-rays irradiated from an X-ray source and generate X-ray image data; and an automatic exposure detection board located below the X-ray detection part and configured to generate an X-ray sensing signal for automatic exposure control based on residual X-rays which have passed by or through the X-ray detection part.

公开(公告)号：US20250016902A1

公开(公告)日：2025-01-09

申请号：US18712658

申请日：2021-11-24

Applicant: LG ELECTRONICS INC.

Inventor： Youngsik KIM ,  Taehyung KIM ,  Sungeun LEE ,  Mikiko ITO

IPC: H05G1/08 ,  H05G1/26

Abstract: The present invention relates to a device of controlling an electron emission device generating X-rays, the device comprising: an electron emission device including at least one of at least one cathode electrode, an anode electrode paired with the cathode electrode, and a gate electrode for controlling a current flowing through the anode electrode; a cathode current detection part for detecting a current flowing through the cathode electrode of the electrode emission device; a reference voltage generation part for generating a reference voltage; and a gate voltage control part which receives the reference voltage and a detection voltage of the cathode current detection part, determines a gate voltage for controlling the electron emission device so that the detection voltage of the cathode current detection part becomes equal to the reference voltage, and applies the determined gate voltage to the gate electrode of the electron emission device.

公开(公告)号：US20240354932A1

公开(公告)日：2024-10-24

申请号：US18416153

申请日：2024-01-18

Applicant: LG ELECTRONICS INC.

Inventor： Duho LEE ,  Mikiko ITO ,  Muyul PARK ,  Byungkee LEE ,  Youngjun JUNG

IPC: G06T7/00 ,  G01N23/046 ,  G06T3/60

CPC classification number: G06T7/0008 ,  G01N23/046 ,  G06T3/60 ,  G01N2223/401 ,  G01N2223/408 ,  G01N2223/646 ,  G06T2207/10116 ,  G06T2207/20044 ,  G06T2207/20084

Abstract: A terminal can include a display and a processor configured to generate a reconstructed image based on a plurality of X-ray images of a battery, and rotate the reconstructed image by a predetermined angle to generate a tilting image. Also, the processor can generate an electrode detection image based on the tilting image, the electrode detection image including a positive electrode of the battery and a negative electrode of the battery in which the positive electrode and the negative electrode are separated from each other, and detect whether the battery is defective based on the electrode detection image.

公开(公告)号：US20250113647A1

公开(公告)日：2025-04-03

申请号：US18729357

申请日：2022-02-16

Applicant: LG ELECTRONICS INC.

Inventor： Sungeun LEE ,  Sangjun PARK ,  Mikiko ITO

IPC: H10F77/14 ,  H10F39/10 ,  H10F39/18 ,  H10F77/12 ,  H10F77/162 ,  H10F77/42

Abstract: An X-ray detector according to the present disclosure comprises: a scintillator for converting incident X-rays into visible rays; a photoelectric conversion part, which is disposed below the scintillator and converts the visible rays into electrical signals; and a substrate disposed below the photoelectric conversion part, wherein the scintillator comprises a perovskite compound represented by the following chemical formula 1. [Chemical Formula 1] A3B2X5:Activator (In the chemical formula, A is a monovalent metal cation, B is a divalent metal cation, X is a monovalent anion, and the activator is thallium (Tl) or indium (In).)

公开(公告)号：US20220405991A1

公开(公告)日：2022-12-22

申请号：US17443943

申请日：2021-07-28

Applicant: LG ELECTRONICS INC. ,  KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Mikiko ITO ,  Taehyung KIM ,  Youngjun JUNG ,  Byungkee LEE ,  Sangjun PARK ,  Seungryong CHO ,  Hyeongseok KIM ,  Jeongtae SOH

IPC: G06T11/00 ,  A61B6/02 ,  A61B6/00 ,  G06T7/00

Abstract: An X-ray imaging apparatus includes an X-ray generator including a plurality of X-ray sources, an X-ray detector configured to detect X-rays radiated from the plurality of X-ray sources and generate a plurality of pieces of projection data, and a processor configured to apply log projection to each of the plurality of pieces of projection data, to apply weighted projection to the log-projected projection data, to apply a bidirectional ramp filter to the weighted-projected projection data, and to generate a tomographic image reconstructed based on each of the projection data to which the bidirectional ramp filter is applied.