Inventor

AHN YOUNG-MAN

KR74 patents

⚠️ This page may combine multiple inventors who share the name “AHN YOUNG-MAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

AHN YOUNG-MAN

SAMSUNG ELECTRONICS CO LTD

Optical disc apparatus and method of reproducing a wobble signal

Memory modules and methods having a buffer clock that operates at different clock frequencies according to the operating mode

Aberration correction element and optical pickup adopting the same

Optical pickup for recording/reproducing optical discs of multiple thicknesses

Integrated circuit test systems that use direct current signals and impedance elements to improve test signal transmission speed and reduce test signal distortion

Master disk for optical disk and having first and second photoresist layers

Display module and display apparatus having the same

Optical pickup

Compatible optical pickup having diffractive device to correct chromatism and divergent lens to increase working distance

Phase compensator and compatible optical pickup using the phase compensator

Optical pickup with improved collimating lens for use with long and short wavelength laser beams

Optical pickup device having chromatic aberration correction lens

Flip-flop circuit

Low power flip-flop circuit

Compatible optical pickup for high-density recording/reproduction

Electrostatic discharge circuit and method for reducing input capacitance of semiconductor chip including same

Lens correcting wavefront error caused by tilt and optical pickup using same

Optical pickup for and method of correcting aberration due to thickness variations of optical media

Optical pickup for improving properties of a reproduction signal

Spherical abberation compensator and optical pickup using the same

Optical pickup using a single light spot to generate tracking error signal and reproduction signal

Optical disk and apparatus for reading the same based upon the length of a mirror region

Display module and display apparatus having the same

Display module and display apparatus having the same

Optical pickup capable of detecting and/or compensating for spherical aberration

Optical disk having information pits with projections formed therein

Memory module testing apparatus and method of testing memory modules

Memory device, memory module including the memory device, method of fabricating the memory module, and method of repairing the memory module

Memory module having address mirroring function

Display device

Display module and display apparatus having the same

Optical pickup device having chromatic aberration correction lens

Compatible optical pickup applying tilt to objective lens in proportion to radial movement of objective lens

Optical pickup apparatus having disk thickness deviation correction and method therefor

Optical pickup apparatus

Method and circuit for detecting playback signal which is compensated for time delay

Method of and apparatus for reproducing data recorded on an optical disc

Optical recording medium recordable on land and groove tracks

Objective lens device for correcting chromatic aberration and optical pickup employing the same

Objective lens and optical pickup device using the same

Optical pickup apparatus capable of reducing cross talk by adjacent tracks and a method therefor

Optical pickup

Manufacturing method of a master disk for forming an optical disk, and the master disk

Display module and display apparatus having the same

Display module and display apparatus having the same

Backlight unit having reflective/transmissive lens and display device having the same

Optical pickup actuator having aberration correcting mechanism and method of assembling the same

Memory module test system for memory module including hub

Semiconductor memory module and semiconductor memory device

KIM TAE-KYUNG

Optical pickup device having chromatic aberration correction lens