World's Best Scientists 2026 revealed!
Ihor A. Lys

Ihor A. Lys

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Engineering and Technology 53 3300 3158 968 883 91 29351

Ihor A. Lys publications per year

The chart shows the history of publications by Ihor A. Lys between 1998 and 2021, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Ihor A. Lys published across 24 years, from 1998 to 2021, averaging 5.5 papers a year. Output peaked at 22 publications in 2001. 4 of the 133 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1998 to 2021. Vertical axis: number of publications, 0 to 22. Peak 22 publications in 2001. 1998: 10 publications 1999: 3 publications 2000: 17 publications 2001: 22 publications 2002: 13 publications 2003: 8 publications 2004: 16 publications 2005: 10 publications 2006: 5 publications 2007: 6 publications 2008: 6 publications 2009: 4 publications 2010: 2 publications 2011: 1 publication 2012: 1 publication 2013: 1 publication 2014: 0 publications 2015: 2 publications 2016: 0 publications 2017: 1 publication 2018: 1 publication 2019: 0 publications 2020: 3 publications 2021: 1 publication
1998 2021

133 publications in total across all disciplines

View publications per year as a table
Ihor A. Lys: publications per year, 1998 to 2021
Year Publications
1998 10
1999 3
2000 17
2001 22
2002 13
2003 8
2004 16
2005 10
2006 5
2007 6
2008 6
2009 4
2010 2
2011 1
2012 1
2013 1
2014 0
2015 2
2016 0
2017 1
2018 1
2019 0
2020 3
2021 1
Total 133
Download as CSV

Ihor A. Lys publication distribution in Engineering and Technology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Engineering and Technology in 2026. The highlighted bar marks where Ihor A. Lys sits on this spectrum.

No. of scientists
100 200 300 400
Bar chart with 78 bars. Horizontal axis: publications, 38–47 to 804+. Vertical axis: number of scientists, 0 to 457. Most scientists, 457, have 148–157 publications. The last bar groups every scientist with 804 publications or more. The highlighted bar, 88–97 publications, is where this scientist sits. 38–47 publications: 20 scientists 48–57 publications: 35 scientists 58–67 publications: 96 scientists 68–77 publications: 135 scientists 78–87 publications: 190 scientists 88–97 publications: 259 scientists 98–107 publications: 283 scientists 108–117 publications: 369 scientists 118–127 publications: 341 scientists 128–137 publications: 386 scientists 138–147 publications: 372 scientists 148–157 publications: 457 scientists 158–167 publications: 415 scientists 168–177 publications: 407 scientists 178–187 publications: 421 scientists 188–197 publications: 378 scientists 198–207 publications: 403 scientists 208–217 publications: 317 scientists 218–227 publications: 346 scientists 228–237 publications: 321 scientists 238–247 publications: 260 scientists 248–257 publications: 280 scientists 258–267 publications: 240 scientists 268–277 publications: 214 scientists 278–287 publications: 242 scientists 288–297 publications: 203 scientists 298–307 publications: 166 scientists 308–317 publications: 154 scientists 318–327 publications: 175 scientists 328–337 publications: 159 scientists 338–347 publications: 99 scientists 348–357 publications: 131 scientists 358–367 publications: 106 scientists 368–377 publications: 118 scientists 378–387 publications: 97 scientists 388–397 publications: 108 scientists 398–407 publications: 82 scientists 408–417 publications: 71 scientists 418–427 publications: 64 scientists 428–437 publications: 55 scientists 438–447 publications: 54 scientists 448–457 publications: 60 scientists 458–467 publications: 47 scientists 468–477 publications: 40 scientists 478–487 publications: 30 scientists 488–497 publications: 29 scientists 498–507 publications: 38 scientists 508–517 publications: 40 scientists 518–527 publications: 32 scientists 528–537 publications: 23 scientists 538–547 publications: 28 scientists 548–557 publications: 23 scientists 558–567 publications: 19 scientists 568–577 publications: 16 scientists 578–587 publications: 17 scientists 588–597 publications: 18 scientists 598–607 publications: 22 scientists 608–617 publications: 15 scientists 618–627 publications: 9 scientists 628–637 publications: 11 scientists 638–647 publications: 21 scientists 648–657 publications: 12 scientists 658–667 publications: 9 scientists 668–677 publications: 11 scientists 678–687 publications: 9 scientists 688–697 publications: 6 scientists 698–707 publications: 14 scientists 708–717 publications: 7 scientists 718–727 publications: 8 scientists 728–737 publications: 10 scientists 738–747 publications: 9 scientists 748–757 publications: 5 scientists 758–767 publications: 5 scientists 768–777 publications: 11 scientists 778–787 publications: 7 scientists 788–797 publications: 2 scientists 798–803 publications: 4 scientists 804+ publications: 100 scientists
38–47 publications 804+

This scientist: 91 publications — 6th percentile

6% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 804 publications or more.

View publications distribution as a table
Number of Engineering and Technology scientists by publication count, Research.com 2026 ranking edition. Based on 9,796 ranked scientists.
Publications Scientists This scientist
38–47 20
48–57 35
58–67 96
68–77 135
78–87 190
88–97 259 91
98–107 283
108–117 369
118–127 341
128–137 386
138–147 372
148–157 457
158–167 415
168–177 407
178–187 421
188–197 378
198–207 403
208–217 317
218–227 346
228–237 321
238–247 260
248–257 280
258–267 240
268–277 214
278–287 242
288–297 203
298–307 166
308–317 154
318–327 175
328–337 159
338–347 99
348–357 131
358–367 106
368–377 118
378–387 97
388–397 108
398–407 82
408–417 71
418–427 64
428–437 55
438–447 54
448–457 60
458–467 47
468–477 40
478–487 30
488–497 29
498–507 38
508–517 40
518–527 32
528–537 23
538–547 28
548–557 23
558–567 19
568–577 16
578–587 17
588–597 18
598–607 22
608–617 15
618–627 9
628–637 11
638–647 21
648–657 12
658–667 9
668–677 11
678–687 9
688–697 6
698–707 14
708–717 7
718–727 8
728–737 10
738–747 9
748–757 5
758–767 5
768–777 11
778–787 7
788–797 2
798–803 4
804+ 100
Download as CSV

Ihor A. Lys D-index placement in Engineering and Technology in 2026

The chart shows the D-index (discipline H-index) distribution of Engineering and Technology scientists ranked by Research.com in 2026. The highlighted bar marks where Ihor A. Lys sits on this spectrum.

No. of scientists
100 200 300 400
Bar chart with 78 bars. Horizontal axis: D-Index, 30 to 107+. Vertical axis: number of scientists, 0 to 426. Most scientists, 426, have 42 D-Index. The last bar groups every scientist with 107 D-Index or more. The highlighted bar, 53 D-Index, is where this scientist sits. 30 D-Index: 59 scientists 31 D-Index: 114 scientists 32 D-Index: 129 scientists 33 D-Index: 189 scientists 34 D-Index: 200 scientists 35 D-Index: 262 scientists 36 D-Index: 311 scientists 37 D-Index: 312 scientists 38 D-Index: 350 scientists 39 D-Index: 385 scientists 40 D-Index: 348 scientists 41 D-Index: 362 scientists 42 D-Index: 426 scientists 43 D-Index: 380 scientists 44 D-Index: 310 scientists 45 D-Index: 341 scientists 46 D-Index: 301 scientists 47 D-Index: 306 scientists 48 D-Index: 271 scientists 49 D-Index: 246 scientists 50 D-Index: 210 scientists 51 D-Index: 253 scientists 52 D-Index: 213 scientists 53 D-Index: 221 scientists 54 D-Index: 195 scientists 55 D-Index: 186 scientists 56 D-Index: 170 scientists 57 D-Index: 167 scientists 58 D-Index: 166 scientists 59 D-Index: 144 scientists 60 D-Index: 152 scientists 61 D-Index: 141 scientists 62 D-Index: 138 scientists 63 D-Index: 131 scientists 64 D-Index: 118 scientists 65 D-Index: 114 scientists 66 D-Index: 119 scientists 67 D-Index: 95 scientists 68 D-Index: 87 scientists 69 D-Index: 77 scientists 70 D-Index: 89 scientists 71 D-Index: 69 scientists 72 D-Index: 54 scientists 73 D-Index: 46 scientists 74 D-Index: 55 scientists 75 D-Index: 54 scientists 76 D-Index: 49 scientists 77 D-Index: 53 scientists 78 D-Index: 46 scientists 79 D-Index: 28 scientists 80 D-Index: 39 scientists 81 D-Index: 36 scientists 82 D-Index: 24 scientists 83 D-Index: 26 scientists 84 D-Index: 36 scientists 85 D-Index: 18 scientists 86 D-Index: 25 scientists 87 D-Index: 19 scientists 88 D-Index: 26 scientists 89 D-Index: 27 scientists 90 D-Index: 23 scientists 91 D-Index: 15 scientists 92 D-Index: 12 scientists 93 D-Index: 9 scientists 94 D-Index: 15 scientists 95 D-Index: 10 scientists 96 D-Index: 13 scientists 97 D-Index: 13 scientists 98 D-Index: 9 scientists 99 D-Index: 7 scientists 100 D-Index: 7 scientists 101 D-Index: 8 scientists 102 D-Index: 7 scientists 103 D-Index: 7 scientists 104 D-Index: 9 scientists 105 D-Index: 6 scientists 106 D-Index: 9 scientists 107+ D-Index: 99 scientists
30 D-Index 107+

This scientist: 53 D-Index — 66th percentile

66% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 107 D-Index or more.

View D-Index distribution as a table
Number of Engineering and Technology scientists by D-index, Research.com 2026 ranking edition. Based on 9,796 ranked scientists.
D-Index Scientists This scientist
30 59
31 114
32 129
33 189
34 200
35 262
36 311
37 312
38 350
39 385
40 348
41 362
42 426
43 380
44 310
45 341
46 301
47 306
48 271
49 246
50 210
51 253
52 213
53 221 53
54 195
55 186
56 170
57 167
58 166
59 144
60 152
61 141
62 138
63 131
64 118
65 114
66 119
67 95
68 87
69 77
70 89
71 69
72 54
73 46
74 55
75 54
76 49
77 53
78 46
79 28
80 39
81 36
82 24
83 26
84 36
85 18
86 25
87 19
88 26
89 27
90 23
91 15
92 12
93 9
94 15
95 10
96 13
97 13
98 9
99 7
100 7
101 8
102 7
103 7
104 9
105 6
106 9
107+ 99
Download as CSV

Overview

What is he best known for?

The fields of study he is best known for:

  • Electrical engineering
  • Optics
  • Mechanical engineering

Ihor A. Lys mainly focuses on Optoelectronics, Light-emitting diode, Color temperature, Electronic engineering and Computer hardware. His work in Optoelectronics tackles topics such as LED lamp which are related to areas like Fixture, Computer program, Brightness and Mechanical engineering. His Light-emitting diode study often links to related topics such as Lighting system.

His study looks at the relationship between Color temperature and fields such as Dimmer, as well as how they intersect with chemical problems. Ihor A. Lys works mostly in the field of Electronic engineering, limiting it down to topics relating to Voltage and, in certain cases, Power control. His Computer hardware study incorporates themes from Die, Electronic component, Lighting control console, Embedded system and Network interface.

His most cited work include:

  • Multicolored led lighting method and apparatus (1163 citations)
  • Controlled lighting methods and apparatus (1123 citations)
  • Light emitting diode based products (1035 citations)

What are the main themes of his work throughout his whole career to date?

The scientist’s investigation covers issues in Light-emitting diode, Optics, Electronic engineering, Optoelectronics and Lighting system. His research investigates the connection between Light-emitting diode and topics such as Signal that intersect with problems in Control system. Ihor A. Lys combines subjects such as Load bank, Dimmer, Electrical engineering, Voltage and Controller with his study of Electronic engineering.

In his study, which falls under the umbrella issue of Dimmer, Color temperature is strongly linked to Electronic circuit. His work deals with themes such as Bulb and Thermal management of electronic devices and systems, which intersect with Optoelectronics. His biological study spans a wide range of topics, including Computer hardware, Computer graphics, Brightness, Hue and Intelligent lighting.

He most often published in these fields:

  • Light-emitting diode (22.86%)
  • Optics (20.00%)
  • Electronic engineering (20.00%)

What were the highlights of his more recent work (between 2005-2015)?

  • Light-emitting diode (22.86%)
  • Electrical engineering (12.38%)
  • Electronic engineering (20.00%)

In recent papers he was focusing on the following fields of study:

His primary scientific interests are in Light-emitting diode, Electrical engineering, Electronic engineering, Voltage and Optics. His Light-emitting diode research incorporates elements of Power factor and Architectural engineering. The concepts of his Electrical engineering study are interwoven with issues in Controller, Smart lighting and Thermal management of electronic devices and systems.

His Electronic engineering research is multidisciplinary, incorporating elements of Load bank, Constant power circuit, Power control, Control theory and Voltage regulation. Optics is closely attributed to Optoelectronics in his work. The various areas that Ihor A. Lys examines in his White light study include Color temperature and Computer graphics.

Between 2005 and 2015, his most popular works were:

  • Methods and apparatus for generating and modulating white light illumination conditions (393 citations)
  • Organic light emitting diode methods and apparatus (281 citations)
  • LED-based fixtures and related methods for thermal management (241 citations)

In his most recent research, the most cited papers focused on:

  • Electrical engineering
  • Optics
  • Operating system

Ihor A. Lys mostly deals with Optics, White light, Color temperature, Light-emitting diode and Electronic engineering. The study incorporates disciplines such as Pulse-width modulation, User interface and Optoelectronics in addition to Optics. His work deals with themes such as Computer graphics and Control signal, which intersect with White light.

Ihor A. Lys performs multidisciplinary studies into Color temperature and Clothing in his work. The concepts of his Light-emitting diode study are interwoven with issues in Node, Integrated circuit and Current. His Electronic engineering research is multidisciplinary, relying on both Power factor, Load bank, Power control, Control theory and Voltage regulation.

Best Publications

  • Controlled lighting methods and apparatus

    Frederick M. Morgan;Kevin J. Dowling;Ihor A. Lys;Brian Roberge

  • Light emitting diode based products

    Colin Piepgras;George G. Mueller;Ihor A. Lys;Kevin J. Dowling

  • Lighting entertainment system

    Ihor Lys;George G. Mueller

  • Methods and apparatus for generating white light

    Alfred Ducharme;Frederick Morgan;Ihor Lys;Kevin Dowling

  • Lighting apparatus and lighting methods

    Ihor A Lys;リース,イホー,エー.

  • Methods and apparatus for controlling devices in a networked lighting system

    Ihor A. Lys;Frederick M. Morgan

  • Methods and apparatus for providing power to lighting devices

    Ihor A. Lys;Kevin J. Dowling;Frederick M. Morgan

  • Precision illumination methods and systems

    Ihor Lys;George G. Mueller;Frederick Marshall Morgan

  • Thermal management methods and apparatus for lighting devices

    Edward Nortrup;George G. Mueller;Frederick M. Morgan;Ihor A. Lys

  • Smart light bulb

    Ihor Lys;George G. Mueller

  • LED package methods and systems

    George G. Mueller;Kevin J. Dowling;Frederick M. Morgan;Ihor A. Lys

  • Tile lighting methods and systems

    George G. Mueller;Ihor A. Lys;Frederick M. Morgan;Colin Piepgras

  • Systems and methods for generating and modulating illumination conditions

    Alfred D. Ducharme;Frederick M. Morgan;Ihor A. Lys;Kevin J. Dowling

  • Dimmable LED-based MR16 lighting apparatus methods

    Ihor A. Lys;Kevin J. Dowling;Frederick M. Morgan

  • Marketplace illumination methods and apparatus

    Ihor A. Lys;George G. Mueller;Michael K. Blackwell

  • Power/data protocol

    Ihor Lys;George G. Mueller

  • Methods and apparatus for generating and modulating white light illumination conditions

    George G. Mueller;Alfred D. Ducharme;Kevin J. Dowling;Ihor A. Lys

  • Methods and systems for providing lighting systems

    Ihor A. Lys;George G. Mueller;Frederick M. Morgan;Kevin J. Dowling

  • Data delivery track

    Ihor A. Lys;George G. Mueller

  • Systems and methods for color changing device and enclosure

    Kevin J. Dowling;George G. Mueller;Ihor A. Lys

Frequent Co-Authors

George G. Mueller
George G. Mueller Ecosense Lighting
Brian Chemel
Brian Chemel Carnegie Mellon University
Colin Piepgras
Colin Piepgras Digital Lumens
Ralph F. Osterhout
Ralph F. Osterhout Microsoft (United States)

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Best Scientists Citing Ihor A. Lys

Trending Scientists

Recently Published Articles