The CRAZY PHYSICS of LED Displays!

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  • Опубліковано 24 лип 2022
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    This video discuss all the fundamental engineering of LED display technology. Let's see the present and also what's the future.

КОМЕНТАРІ • 397

  • @Lesics
    @Lesics  Рік тому +38

    Skip the waitlist and invest in blue-chip art for the very first time by signing up for Masterworks: masterworks.art/lesics

    • @mitukumar6066
      @mitukumar6066 Рік тому +2

      Sir, next time make vedio about petrol pump machine how they work

    • @bestowicprimer8835
      @bestowicprimer8835 Рік тому

      WOW man did you lose a bet? Crazy how challenging this must have been. This production is amazing. You should receive a prize for this.

    • @bestowicprimer8835
      @bestowicprimer8835 Рік тому +3

      Can I request a video on Heating and Cooling?

    • @zesanurrahman6778
      @zesanurrahman6778 Рік тому

      epic engineering indeed

    • @Lesics
      @Lesics  Рік тому +1

      @@bestowicprimer8835 Thank you for the compliments :)

  • @Cethavi
    @Cethavi Рік тому +444

    So, most of the marketed "LED Displays" are LCD display with LED backlight

    • @warmon6
      @warmon6 Рік тому +92

      Yep.
      Its fun trying to tell people that your new led display is actually a lcd display with a different light source compared to older lcd display with florescent backlight.
      Unless its OLED or micro-led (if they decided to use micro led directly as the pixel source and not as a backlight for an lcd display), its all lcd.

    • @flynn3649
      @flynn3649 Рік тому +18

      Soft of. Each individual gets its own independent brightness level, instead of having a solid backlight for the entire screen.
      You get better contrast and color accuracy, but typically at a much higher cost than traditional LCD technology.

    • @eSKAone-
      @eSKAone- Рік тому +11

      And if the polarization filter could really block all the light we could achieve true blacks like with an OLED

    • @Emperial_X
      @Emperial_X Рік тому +3

      Dam right! 💯

    • @sschueller
      @sschueller Рік тому +4

      Yes, correct would be to also call them that. LCD with QLED backlight.

  • @sammyapsel1443
    @sammyapsel1443 Рік тому +136

    This was one of the coolest video I've seen. Especially the visualizations of the polarization of light was so clearly explained and visualized! I've taken courses in EM waves and never have I managed to get the full understanding of what polarized light is or what a polarizer does. Thx !

    • @raiden72
      @raiden72 Рік тому +4

      We don't deserve lesics! His channel is too good :)

  • @DrR1pper
    @DrR1pper Рік тому +22

    This is not a video about LED's but a video about LCD's (with white LED backlight) explaining how LCD's work. This should have been called "LCD Display | The detailed Physics behind it".

  • @nibirsaikiya4990
    @nibirsaikiya4990 Рік тому +40

    I am addicted to your video sir.
    I am b.sc mathematics honors student and I am interested in technology video.
    Due to financial problem I was not able to do engineering but your video fulfill my dream.
    I hope I will get such video in future in this way.
    Thank you

    • @crowned-blue
      @crowned-blue Рік тому +7

      And people with money are taking admissions in engineering without the love or passion for it and ruining it for all

    • @nothing9220
      @nothing9220 Рік тому +1

      The same story.... Wanted to do physics and engineering but couldn't due to financial problems, went for BSc mathematics.. Then PG in English Literature though I am an assistant professor of English with a good income but I'm not satisfied... Don't go the way I went

    • @harshans7712
      @harshans7712 Рік тому +1

      @@nothing9220 I can really feel the pain you experince

    • @kartikforwork
      @kartikforwork Рік тому +1

      @@crowned-blue that not true. not always

  • @gizmoknow-how2022
    @gizmoknow-how2022 Рік тому +26

    Man I can't appreciate this channel enough! It is so so so damn educational, great quality animation and explanation. Basically a hub for all the engineering nerds!

  • @muhammadbilal2000
    @muhammadbilal2000 5 місяців тому +2

    There are so many videos regarding the LED/LCD displays but none can beat this video. With accurate and crystal clear information and amazing animations. Thanks Lesics team.

  • @joshuacaylor881
    @joshuacaylor881 8 місяців тому +3

    The thought, theory and technology behind this is insane. Go from inventing the light bulb to filtering led light through lcd using changes in polarity… 🤯

  • @BlurryFace-zz2ro
    @BlurryFace-zz2ro 6 місяців тому +1

    Been watching this channel on UA-cam for 2 years now and I have learnt so much. You guys do amazing work! Hope I can fix something someday.

  • @devilwatcher5766
    @devilwatcher5766 Рік тому +1

    One of the best and coolest explanation I have ever seen!

  • @nalinsaminda
    @nalinsaminda 6 місяців тому

    Explanation is next level with Animation ❤️. Thank you for sharing.

  • @gamesapp22
    @gamesapp22 Рік тому +25

    I watched some videos in the past on how led display works but I still didn’t fully understand regarding liquid crystals. This one did it for me, thanks 👍.

    • @DrR1pper
      @DrR1pper Рік тому +1

      This wasn't really a video on how LED displays work (which are referred to as microLED displays) but how LCD displays work (who's only relation to LED's is the use of white LED's for the backlighting).

  • @puspamadak
    @puspamadak Рік тому +9

    As a developer, I knew about the process by which colours are produced digitally. But didn't know about the inner working. Amazing work by the engineers!

  • @unknown4_4
    @unknown4_4 Рік тому +2

    Hi...... I love your videos soooo much.....
    They are awesome and very clear to understand

  • @gohangoku3447
    @gohangoku3447 Рік тому

    Very useful vid. Please deep dive also in twisted nematic, inplane switching and vertical aligned LCD techniques to visualise their pros and cons.

  • @aravindang7475
    @aravindang7475 15 днів тому

    Very good explanation. Thank you. Keep posting more explanations.

  • @eqXzeRt
    @eqXzeRt 9 місяців тому +2

    Thanks for vid. Little correction: 2:47 - the right direction of e/m wave propagation is opposite.

  • @DB-nl9xw
    @DB-nl9xw 5 місяців тому

    This is one of the best explanation I have seen. I wish I could understand how to get lower values of the rotation.

  • @Valdaemonium
    @Valdaemonium Рік тому

    Nice video and explanation! I missed some talk about quantum dots/nano cell (same, just different names) which enhances colors on LCD screens, and some talk about IPS and VA types.

  • @saemranian
    @saemranian 7 місяців тому

    Perfect,
    Thanks for sharing .

  • @naveenkumarn9917
    @naveenkumarn9917 Рік тому +7

    Finally found someone who can explain in detail how LCD/LED works

  • @user-ip3eh1hv6s
    @user-ip3eh1hv6s 2 місяці тому

    Love your explanation and efforts ❤

  • @loikvokhidov7688
    @loikvokhidov7688 Рік тому

    Absolutely awesome content, i learn a lot from these videos. I wanted to ask if the voiceover for ur videos is AI?

  • @skabbymuff111
    @skabbymuff111 Рік тому

    Fantastic explanation. Magic explained.

  • @rameshhariharan2623
    @rameshhariharan2623 Рік тому

    Super explanation, great if u could mention about pixel in tv screen its role in dedign of film photos vonversion to fihital pixel , whether it depends on each tv or moniter screen size

  • @riteshyadav7157
    @riteshyadav7157 Рік тому +2

    Video request/suggestion- How does a CCD camera works. Or how does colour cameras work. History, basics , applications.

  • @Matescium
    @Matescium 6 місяців тому

    Dude, your video is awesome. Good work ...

  • @YFTOUCH
    @YFTOUCH 11 місяців тому

    Your video is very proffesional.Useful!

  • @ethanebang8902
    @ethanebang8902 Рік тому +2

    Wait lesics got a sponsor
    Nice one congratulations

  • @saishivakoneti1876
    @saishivakoneti1876 Рік тому

    Great explanation.Please do a video On working of RF transmitter and receiver modules and all wifi modules.

  • @sciencerelevant4588
    @sciencerelevant4588 Рік тому +1

    Very very important thing. Thank you so much sir. Please make a video about the working principle of computer hardware like processor, RAM, Hard Disk and SSD in details video their behind of the physics.

  • @rollercoaster3freak
    @rollercoaster3freak Рік тому +47

    Honestly what I would be more curious about is how these tiny elemts are produced and how the signal gets to each pixel. Nontheless a great video of showing how the pixels themselves work

    • @gkrees9509
      @gkrees9509 Рік тому +5

      Right!??? Like how do these individual ARS’s know how or when to rotate the light source to make the image that is required !?

    • @joseville
      @joseville 4 місяці тому

      processors are manufactured using microlithography so I would imagine some of these elements are manufacture using a similar process.

    • @qwertydavid8070
      @qwertydavid8070 4 місяці тому

      @@joseville yeah but like, how does it work? Like, according to this video, it would seem that just for a single pixel you'd have to manage hundreds of different inputs. It surprises me that TVs don't just glitch out randomly. We don't really think of our TVs having the same calculation power as our computers. We just see them as another appliance. But it really feels like you'd need a super computer to run all the calculations just for the display alone.

  • @aresivrc1800
    @aresivrc1800 Рік тому

    Brilliant video as always! 🙂

  • @ranjanjoshi3454
    @ranjanjoshi3454 2 місяці тому

    Thanks very insightful and informative

  • @varunentertainmentnetworks2670

    It was informational lesics, I wish to see a video on functioning of Car remote (key)! Thanks in advance

  • @OrnatePixels
    @OrnatePixels 5 місяців тому

    What software did you use to create the animation? Thanks a lot.❤

  • @jerem_fl
    @jerem_fl Рік тому +5

    Great video ✌🏼
    Small detail: when unpolarised light goes through a vertical filter, I think only the horizontal component will be transmitted (not the vertical) 😃

    • @you2be839
      @you2be839 3 місяці тому +1

      Yeah, probably a nomenclature mistake: if only the vertical component is passing, then it's because it's filtering the horizontal component; therefore it's a "horizontal filter"... but because the slits of the "horizontal filter" are actually vertically oriented, it's easy to call it a "vertical filter" because it looks vertically oriented.
      This stuff was easy to get confused with when studying the properties of light in high-school physics way back in my time, and I guess it still continues...

  • @kotapatiswaraj06
    @kotapatiswaraj06 8 місяців тому

    Woww ! What an awesome explanation.

  • @varunentertainmentnetworks2670

    It was very useful as always, I would like to see a video on Graphene batteries - functioning , structure , capacity & features, obstacles etc. Kind of you.

  • @alisadeghi9746
    @alisadeghi9746 Рік тому

    amazing information 👌 thank you

  • @TeluguTrails
    @TeluguTrails Рік тому

    Hi sir please tell me what softwares or apps u use to do animation videos in UA-cam.... thank you sir , i hope you will achieve the wonders

  • @gnryushi
    @gnryushi 4 місяці тому

    Thank you for this.

  • @ateequrrahman4684
    @ateequrrahman4684 Рік тому +6

    I knew it already. ..but not so detailed, very well explained 👏

  • @unknown.8625
    @unknown.8625 Рік тому +8

    Only put a drop of water on phone display(with white background) then pixel will be visible.✌️

  • @Bianchi77
    @Bianchi77 Рік тому

    Nice info, thanks for sharing it :)

  • @rubabmubarrat
    @rubabmubarrat Рік тому +2

    OLED is by far the best display I've seen and used. by using samsung s20+ now, if I went back to using vivo y20 which has lcd 720p panel, it clearly visualize the difference between oled and lcd. The blacks are 99% black and you really can't see blacks in dark room. Colour accuracy is correct for most of daily workflow. Professional editors also use oled laptops and monitor to fullfill their accuracy demand.

  • @niklasgs1470
    @niklasgs1470 Рік тому

    That's awesome can you guys make a video on how micro led works?

  • @brittonwise2203
    @brittonwise2203 Рік тому

    this channel is SO underrated

  • @michas990
    @michas990 Рік тому +3

    Great video again Sabin. I really liked one about the inkjet printers. Are you going to make one about laser printers as well?

  • @mitukumar6066
    @mitukumar6066 Рік тому

    Very difficult technology but intresting vedio

  • @Dr.Kay_R
    @Dr.Kay_R Рік тому +1

    Use the image in 4:49 as thumbnail. Also mention that *it's actually LCD!*
    You would get more views.

  • @mzmz9355
    @mzmz9355 Місяць тому

    Thanks for taking efforts to explain how it works, I have been struggling to find such explanation on yt for a while. One small remark: Though micro LEDs are interesting tech, the qdel looks even more promising (due to theoretical low production cost based on its simplicity).

  • @chinnaramireddycme0489
    @chinnaramireddycme0489 Рік тому

    Explain vibration technology in mobile or any devices sir

  • @lapangomok
    @lapangomok 6 місяців тому

    thanks. This channel made it easy to understand how its work

  • @al-ayoungentstailorfasalia651

    زبردست جناب

  • @neuvil
    @neuvil Рік тому

    To achieve perfect blacks, new TVs and monitors use multiple dimming zones which basically means using multiple small white backlights instead of a big one as the primary source.

  • @a.h.m.shakilaktar6781
    @a.h.m.shakilaktar6781 Рік тому

    thank you so much

  • @sooryanarayanan4273
    @sooryanarayanan4273 Рік тому

    Beautiful

  • @rahulkurup61
    @rahulkurup61 Рік тому

    Best video to understand

  • @muhammadibnu1122
    @muhammadibnu1122 Рік тому +1

    Can Lesics make a video on how the differential lock works?

  • @arunmk21
    @arunmk21 Рік тому

    Thanking you till next time...

  • @alouaniboot
    @alouaniboot Рік тому +1

    pleas can make a video about old processor and a new tech of processor

  • @sangrammane1173
    @sangrammane1173 Рік тому +1

    Please make video on additive manufacturing technology

  • @EricPham-gr8pg
    @EricPham-gr8pg 16 днів тому

    The polarization using 3 magentic field that can change with each timers separately and superimpose create light color in motion of time and tine resolution is the pixel as small as plank size

  • @Shivam-ne9tz
    @Shivam-ne9tz Рік тому +1

    Make video's on how to made Microprocessor and how to work

  • @samuelmendoza9356
    @samuelmendoza9356 Рік тому +1

    Regarding the LED backlight, just to get accurate black, why not make the LED backlight to also operate like old school LED screen, where dark pictures don't illuminate or partially illuminate?Granted, this doesn't solve the size limite of LED where they can only be a portion of a millimetr, but it should allow distinct blackness compared to what the usual LED shows.
    Is this system been done before or is not feasible?

  • @YO-kj9zj
    @YO-kj9zj 2 місяці тому

    make a video on Oled, amoled etc types of displays

  • @husseinelharbi6171
    @husseinelharbi6171 Рік тому

    What the liqiud crystal and color filter is made of ?

  • @bharathshatharajupally5610
    @bharathshatharajupally5610 Рік тому

    Can you do video on processor in side the mechanism

  • @shavejrao4098
    @shavejrao4098 Рік тому +1

    5:01 OMG 🤯

  • @rajkumarshingh6029
    @rajkumarshingh6029 Рік тому +1

    Pls make vedio on lcd working principle

  • @julian_212
    @julian_212 Рік тому

    Thanks!

  • @bobyla13
    @bobyla13 Рік тому +1

    why the VP-filter allows only the V components & blocks all other while the HP-filter don't block the non H components.

  • @akashkumarmahtoprotech6855
    @akashkumarmahtoprotech6855 7 місяців тому +1

    really amazing video

  • @MohammadJUBAYER-ig6xk
    @MohammadJUBAYER-ig6xk 8 місяців тому

    Thanks sir

  • @thinklogically983
    @thinklogically983 Рік тому +1

    Sir, please make a video on working of computer.🙏🙏

  • @WyattGreenway
    @WyattGreenway 2 місяці тому

    This is great!

  • @venkinelluru1807
    @venkinelluru1807 Рік тому

    Superb

  • @ragulmadurai4923
    @ragulmadurai4923 Рік тому

    Please describe about electronics control panels..

  • @xyzxyz4062
    @xyzxyz4062 Рік тому

    It helped me

  • @Romash.
    @Romash. Рік тому

    Can you make a video on how you made this circuit

  • @joseville
    @joseville 4 місяці тому

    1:15 cool! Is this how smart color changing light bulbs work?

  • @TommyMinerPhotograpy
    @TommyMinerPhotograpy Рік тому

    Can you make a video on how digital cinema camera work with dual base iso?

  • @hugoheredia5311
    @hugoheredia5311 Рік тому +2

    Thanks for sharing this technology. Very interesting information. Keep going.

  • @adityaborde03
    @adityaborde03 Рік тому

    Plz explain all display technologies olds too

  • @williamstabi618
    @williamstabi618 Рік тому +1

    Awesome

  • @yourevolution7850
    @yourevolution7850 Рік тому

    5:52
    What does make them to have differential speed!

  • @steventhehistorian
    @steventhehistorian Рік тому

    magic floating screwdriver @ 0:32

  • @imransheikh5505
    @imransheikh5505 Рік тому

    Wonderful teaching with great animation. highly appreciated

  • @sagarparihar2973
    @sagarparihar2973 Рік тому

    Thanks

  • @FromRootsToRadicals
    @FromRootsToRadicals 5 місяців тому

    Awesome bid! This what youtube was all about. Not stupid as pranks or vlogs.

  • @HardCold-Alquan
    @HardCold-Alquan 6 місяців тому

    This is my first time coming across this channel. This is odd since it has 6.5M subs!

  • @thebigbass8720
    @thebigbass8720 Рік тому +2

    Thanks for sharing the knowledge..

  • @MCThomasN
    @MCThomasN 6 місяців тому

    8:54 There are now LED monitors with variable backlight.

  • @adelboutouria1443
    @adelboutouria1443 Рік тому

    Wow love it

  • @jeyronokal1506
    @jeyronokal1506 Рік тому +1

    hi love ur vids

  • @felteacolney1539
    @felteacolney1539 Рік тому

    interesting video...❤❤👍

  • @harshans7712
    @harshans7712 Рік тому

    I hardly find difference between led and lcd display, am I right or what is the major difference between them?

  • @dripofdew
    @dripofdew Рік тому

    That's nice to playing game with OLED display.

  • @anurajn2616
    @anurajn2616 Рік тому

    Goog explanation,