Zobrazeno 1 - 10
of 106
pro vyhledávání: '"Seong-Kwan Hong"'
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:
Sensors, Vol 16, Iss 10, p 1748 (2016)
A readout integrated circuit (ROIC) using two-step fastest signal identification (FSI) is proposed to reduce the number of input channels of a data acquisition (DAQ) block with a high-channel reduction ratio. The two-step FSI enables the proposed ROI
Externí odkaz:
https://doaj.org/article/777b15c1d0b1461785091d6b1f636013
Publikováno v:
Sensors, Vol 16, Iss 1, p 27 (2015)
This paper presents a fast multiple sampling method for low-noise CMOS image sensor (CIS) applications with column-parallel successive approximation register analog-to-digital converters (SAR ADCs). The 12-bit SAR ADC using the proposed multiple samp
Externí odkaz:
https://doaj.org/article/45ad07d71aa646ca940cc65e810ea493
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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a920e39eb6fe3542beb18b2ca37a608f
https://doi.org/10.1109/tcsii.2021.3062139
https://doi.org/10.1109/tcsii.2021.3062139
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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cf3bb5ab0531054d31b9268f78cc43c6
https://doi.org/10.1109/tcsii.2020.2992056
https://doi.org/10.1109/tcsii.2020.2992056
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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::82b935c41daeee29eeed0fe0a4aa4f4f
https://doi.org/10.1109/jssc.2020.3014149
https://doi.org/10.1109/jssc.2020.3014149