Denggle > Lighting News >

LED Phosphors

New Red Phosphor to Improve LED Energy Efficiency Co-Developed by University of Innsbruck and Osram

A research team at the University of Innsbruck, Austria cooperated with Osram Opto Semiconductors to develop a new red phosphor with excellent luminescence properties which can make LED lighting more energy-efficient. The research article, titled “Sr[Li2Al2O2N2]:Eu2+—A high performance red phosphor to brighten the future” was published in Nature Communications on April 23, 2019.

2019-05-06

ledinside.com

New Red Phosphor to Improve LED Energy Efficiency Co-Developed by University of Innsbruck and Osram

NIMS Separates Its Red Phosphor Patent Usages into Manufacturing and Application

The National Institute for Materials Science (NIMS) in Japan has announced that the licensing scheme for its comprehensive patent on red phosphor has been changed since October 1, 2018. The red phosphor patent was divided into two groups, a group of materials and manufacturing patents related to the manufacture of phosphors and a group of application patents related to the manufacture of LED devices. NIMS will enter new licensing contracts with companies to which these patents are applicable.

2018-10-28

How to Choose a Baby Photography Light?

Photography lights are usually called camera headlights, interview lights, news lights, and their functions on a digital video camera are the same as those of a flash in a digital camera. When using this kind of photography light to shoot objects with dark surfaces, some auxiliary light sources must be used, otherwise the picture will not be clear. The baby photography light is a light used to take pictures of infants and young children. This kind of lights is different from the mobile phone lights used in life.

2021-12-28

DENGGLE.COM

Philips Lighting Unveils New Philips GreenPower LED Toplighting Light Recipe for European Market at Rose Event

Philips Lighting unveiled its new Philips GreenPower LED toplighting with a light spectrum optimized for cut rose cultivation at an event of the Philips Rose Expertise Group. The new GreenPower LED toplighting with cut rose spectrum allows growers to increase light levels year-round without increasing heat. During extensive trials undertaken by research institutes Delphy and Wageningen University, and monitored by experienced rose growers, the new lighting with cut rose spectrum improves the quality of the roses and is 40% more energy efficient compared to high-pressure sodium (HPS) lighting.

2018-04-22

ledinside.com

Chinese LED Phosphor Company Claims Patent Invalidity against NIMS

Jiangsu Bree Optronics, a Chinese phosphor manufacturer, claimed patent invalidity against The National Institute for Materials Science (NIMS) in Japan, who changed the licensing scheme for its comprehensive patent on red phosphor since October 2018.

2019-04-10

ledinside.com

Universal Display Corporation announced an OLED evaluation agreement with Royole Corporation

Universal Display Corporation announced an OLED evaluation agreement with Royole Corporation, a developer of advanced flexible OLED displays, flexible sensors, and smart device electronics. Under this agreement, Universal Display (UDC) will collaborate with Royole Corporation and supply its proprietary UniversalPHOLED phosphorescent OLED materials and technology for Royole’s display applications. Details and financial terms of the agreement have not been disclosed.

2017-12-28

ledinside.com

Lumenari Raises US$ 3 Million in Funding to Enhance LED Phosphor Technology

Lumenari, a U.S.-based material research company specializing in narrow-bandwidth LED phosphors, has announced it has raised US$ 3 million in Series A funding. The company will use the capital to complete an advanced lab-scale manufacturing line for its Emerald™ technology. Moreover, it plans to establish testing partnerships with packaged LED suppliers and pass initial qualification testing.

2018-10-26

The Multi-functional Rainbow Atmosphere Lamp Creates Colorful Life

At first, lamps are for lighting. With the development of lamps, they can help create various atmosphere, such as the multi-functional rainbow atmosphere lamp.

2023-12-07

DENGGLE.COM

A Report from Yole Développement About LED Phosphors & QDs Industry

“Volume saturation, price pressure and a shifting intellectual property landscape are forcing the LED phosphor & QDs industry into a rationalization phase,” announces Dr. Eric Virey, Senior Technology & Market Analyst, Yole Développement (Yole).

2017-11-24

led-professional.com

Most Suitable Power of Household Spotlight

In the home decoration nowadays, many people will choose spotlights, in addition to ceiling lamps and chandeliers, for the more sufficient and evenly distributed light. Spotlights are usually installed in the living room, bathroom or kitchen to bring warmer living atmosphere to the family. What’s the most suitable power of a spotlight? Many people don’t know the answer when choosing the spotlight. Below is the introduction about relevant specifications of the household spotlight and how to make a choice.

2018-08-17

What Are Advantages of Outdoor Spot Light? How to Choose Outdoor Spot Light?

Spot lights, without the main light or fixed scale, are often installed indoors to create a bright lighting atmosphere and transform splendid patterns. But with the development of urban nightscape lighting engineering construction and people’s higher requirements on artistic level and cultural taste, new requirements need to be met for nightscape lighting for urban high-rise buildings, roads and bridges, squares and gardens, and other ancillary facilities. In such case, outdoor spot lights come into being. But what kind of outdoor spot light to choose? How to choose outdoor spot light? Below is the introduction for your reference.

2017-09-21

Philips Lighting Intends to Repurchase 2.8 Million of its Ordinary Shares From Royal Philips

Philips Lighting announces that it intends to repurchase 2.8 million of its ordinary shares from its largest shareholder Royal Philips. Today Royal Philips announced its intention to offer approximately 17.1 million shares in Philips Lighting, currently owned by Royal Philips, to institutional investors by means of an accelerated bookbuild offering (the “Offering”). The Offering represents approximately 12% of Philips Lighting’s issued share capital. Philips Lighting will not receive any proceeds from the sale.

2017-12-01

ledinside.com

What Brand of Small Spot Light to Choose? What Color to Choose?

Small spot lights can be used indoors or outdoors to achieve good lighting effect. Outdoor small spot lights are mainly for lighting for colored-glaze corrugated surface, ancient building tower, building aisle column, river guardrail, garden trees, leisure corridor and column of other landmark buildings; indoor small spot lights are mainly for living room decoration, matching furniture, and highlighting the space atmosphere. In view of the wide application of small spot lights, what brand to choose? And what color to choose? Below is the introduction for your reference.

2017-10-20

1
2
3
...
9
10
665
666
Next Page
Last Page
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666