Zobrazeno 1 - 10
of 297
pro vyhledávání: '"Oh Kyong Kwon"'
Publikováno v:
IEEE Access, Vol 11, Pp 74301-74311 (2023)
This paper proposes a 7T2C pixel circuit for active-matrix organic light-emitting diode (AMOLED) displays using low-temperature poly-crystalline silicon (LTPS) thin-film transistors (TFTs) with two key features: high luminance uniformity and low flic
Externí odkaz:
https://doaj.org/article/1b4e30e26abe43ba83e390f6290222ef
Publikováno v:
IEEE Access, Vol 9, Pp 119298-119309 (2021)
This paper proposes a high frame rate analog front-end (AFE) IC combined with a piezoelectric micromachined ultrasonic transducer (PMUT) for ultrasound imaging systems (UISs). The proposed AFE IC, which consists of 8-channel transceivers and a periph
Externí odkaz:
https://doaj.org/article/98ddb0833a994070bc98f49b4b679ae2
Publikováno v:
IEEE Journal of the Electron Devices Society, Vol 8, Pp 1-8 (2020)
In this paper, a temperature compensation method is proposed for active-matrix organic light-emitting diode (AMOLED) displays to achieve high luminance uniformity over a wide operating temperature range. The proposed temperature compensation method c
Externí odkaz:
https://doaj.org/article/b170a69b583249bd9231c96b1056ba97
Publikováno v:
IEEE Access, Vol 8, Pp 162172-162179 (2020)
This paper proposes a highly reliable single-inductor multi-output (SIMO) converter for energy harvesting systems, which is controlled by the power management controller (PMC) including the hybrid starter, overcharging protector (OCP), and switch con
Externí odkaz:
https://doaj.org/article/6015c6e496d34830bba3c7de7be0470e
Publikováno v:
IEEE Journal of the Electron Devices Society, Vol 7, Pp 462-469 (2019)
In this paper, we propose a compensation method for variations in the subthreshold slope (SS) and threshold voltage (Vth) of the low-temperature polycrystalline silicon thin-film transistors (LTPS TFTs) in an attempt to improve the image quality of t
Externí odkaz:
https://doaj.org/article/699203aa70284fa8b3169e4e4454f0f2
Publikováno v:
IEEE Journal of the Electron Devices Society, Vol 7, Pp 1026-1032 (2019)
This paper proposes a pixel circuit with high resolution and high luminance uniformity for organic light emitting diode-on-silicon (OLEDoS) microdisplays. The proposed pixel circuit employs a simple structure that consists of four n-channel MOSFETs a
Externí odkaz:
https://doaj.org/article/43ebc919e242498b9342550aab5bc470
Publikováno v:
IEEE Transactions on Circuits and Systems II: Express Briefs. 68:2322-2326
This brief proposes a high-speed and power-efficient multi-bit cyclic analog-to-digital converter (MC ADC) for CMOS image sensor applications. The proposed 13-bit MC ADC, which uses a 4-bit single-slope (SS) quantizer as a sub-ADC, resolves the sampl
Publikováno v:
IEEE Transactions on Circuits and Systems II: Express Briefs. 67:3272-3276
This brief proposes a fast transient response hybrid low dropout (LDO) regulator with highly accurate DC voltage for system-on-chip (SoC) applications. The proposed hybrid LDO, which consists of the analog and digital LDOs (ALDO and DLDO), and a hybr
Publikováno v:
IEEE Journal of Solid-State Circuits. 55:3087-3096
This article proposes an active-matrix organic light-emitting diode (AMOLED) pixel circuit for mobile displays with high resolution to improve the image quality of the display panel. The proposed pixel circuit, which consists of six low-temperature p
Autor:
Oh-Kyong Kwon, Hyun-A Ahn
Publikováno v:
IEEE Transactions on Circuits and Systems II: Express Briefs. 67:1725-1729
In this brief, we propose a driving method for an active matrix micro-pixelated light-emitting diode (AMLED) display in an attempt to achieve highly uniform luminance using an adaptive reference generator. The proposed driving method compensates for