Teburin Abubuwan Ciki
- 1. Bayanin Samfur
- 1.1 Siffofi
- 1.2 Aikace-aikace
- 2. Girman Kunshin da Tsarin Ƙafar
- 3. Ƙimar da Halaye
- 3.1 Ƙimar Madaidaiciya Mafi Girma
- 3.2 Shawarar Tsarin IR Reflow
- 3.3 Halayen Lantarki da Na'ura mai gani
- 4. Tsarin Lambobin Bin
- 4.1 Matsayin Haske (IV)
- 4.2 Matsayin Launi (CIE)
- 5. Madaidaicin Lakatunan Aiki
- 6. Jagorar Mai Amfani da Bayanin Haɗawa
- 6.1 Umarnin Tsaftacewa
- 6.2 Tsarin Ƙasa na PCB da Ake Ba da Shawara
- 6.3 Girman Kunshin Kaset da Reel
- 7. Tunani na Ƙira da Bayanan Aikace-aikace
- 7.1 Iyakancewar Halin Yanzu
- 7.2 Gudanar da Zafi
- 7.3 Ƙirar Na'ura mai gani tare da Lensa Mai Watsawa
- 7.4 Sarrafa Launi Mai Zaman Kansa
- 8. Kwatance da Jagorar Zaɓi
- 9. Tambayoyin da Ake Yawan Yi (FAQ)
- 10. Ka'idojin Fasaha da Trends
- 10.1 Ka'idar Aiki
- 10.2 Trends na Masana'antu
1. Bayanin Samfur
LTST-008GEBW na'urar LED ce da ake haɗawa ta fuska (SMD) wacce aka ƙera don haɗa allon da'ira (PCB) ta atomatik. Tana da farin lensa mai watsawa kuma tana haɗa guntu na'urori masu haɗa wutar lantarki guda uku daban-daban a cikin kunshi ɗaya: Kore (InGaN), Ja (AlInGaP), da Shudi (InGaN). Wannan tsari yana ba da damar nuna launuka daban-daban da aikace-aikacen hasken baya. Ana ajiye na'urar a cikin kunshin ƙa'idar EIA na masana'antu, yana tabbatar da dacewa da kewayon na'urorin zaɓi da haɗawa ta atomatik da kayan aikin gyarawa.
1.1 Siffofi
- Ya bi umarnin muhalli na RoHS.
- An kunna shi a cikin kaset mai nisan milimita 12 akan reels mai diamita inci 7 don haɗawa mai yawa.
- Madaidaicin ƙafar kunshin EIA don dacewar ƙira.
- Shigarwa/fitarwa ya dace da haɗaɗɗun da'irori (I.C. compatible).
- An ƙera shi don dacewa da na'urorin sanyawa ta atomatik.
- Ya dace da hanyoyin gyarar IR reflow.
- An riga an shirya shi zuwa Matakin Hatsarin Danshi na JEDEC 3.
1.2 Aikace-aikace
Wannan LED ya dace da babban kewayon kayan aikin lantarki inda ake buƙatar tanadin sarari, ingantaccen nuni, ko hasken baya mai sauƙi. Manyan wuraren aikace-aikace sun haɗa da:
- Kayan aikin sadarwa (misali, na'urorin hanyar sadarwa, masu sauya, wayoyi).
- Na'urorin sarrafa ofis ta atomatik (misali, na'urorin bugawa, na'urorin dubawa, na'urori masu ayyuka da yawa).
- Kayan aikin gida da na'urorin lantarki na masu amfani.
- Kwamitocin sarrafa masana'antu da kayan aiki.
- Nuni na matsayi da wutar lantarki.
- Hasken sigina da alama.
- Hasken baya na gaban panel da madannai.
2. Girman Kunshin da Tsarin Ƙafar
Zane na inji na LTST-008GEBW ya yi daidai da madaidaicin girman kunshin EIA. Duk ƙayyadaddun girma suna cikin milimita, tare da juzu'i na gabaɗaya na ±0.1 mm sai dai idan an lura da haka. Tsarin ƙafar don haɗaɗɗun guntu na RGB shine kamar haka:
- Guntu Kore: Anode akan ƙafar (0,1), Cathode akan ƙafar 2.
- Guntu Ja: Anode akan ƙafar 3, Cathode akan ƙafar 4.
- Guntu Shudi: Anode akan ƙafar 5, Cathode akan ƙafar (6,7).
Wannan pinout yana da mahimmanci don ingantaccen ƙirar da'ira kuma dole ne a bi shi don sarrafa launi ɗaya ɗaya daidai.
3. Ƙimar da Halaye
3.1 Ƙimar Madaidaiciya Mafi Girma
Ƙimar madaidaiciya mafi girma tana bayyana iyakokin da za su iya haifar da lalacewa na dindindin ga na'urar. An ƙayyade waɗannan ƙimar a yanayin zafin jiki (Ta) na 25°C.
- Rushewar Wutar Lantarki:102 mW (Kore, Shudi), 72 mW (Ja).
- Matsakaicin Halin Yanzu na Gaba:100 mA ga duk launuka (a cikin sake zagayowar aiki 1/10, faɗin bugun jini 0.1ms).
- Halin Yanzu na DC Gaba:30 mA ga duk launuka.
- Kewayon Zafin Aiki:-40°C zuwa +85°C.
- Kewayon Zafin Ajiya:-40°C zuwa +100°C.
Ba a ba da shawarar aiki a waje da waɗannan kewayon ba kuma yana iya shafar aminci da tsawon rayuwa.
3.2 Shawarar Tsarin IR Reflow
Don hanyoyin gyarar da ba su da gubar, shawarar bayanin martaba na IR reflow ya kamata ya bi ƙa'idar J-STD-020B. Bayanin martaba yawanci ya haɗa da yankin dumama, yankin jiƙa, yankin reflow tare da madaidaicin zafin jiki, da yankin sanyaya. Yin bin wannan bayanin martaba yana da mahimmanci don hana girgizar zafi da tabbatar da haɗin gyarar amintacce ba tare da lalata kunshin LED ko mutuwar ciki ba.
3.3 Halayen Lantarki da Na'ura mai gani
Ana auna waɗannan halaye a Ta=25°C ƙarƙashin ƙayyadaddun yanayin gwaji kuma suna wakiltar madaidaicin aikin na'urar.
- Haske (Φv):Ana auna shi tare da firikwensin/tace wanda ke kusantar da martabar ido na CIE photopic.
- Kore (IF=25mA): Ƙananan 2.81 lm, Mafi 7.12 lm.
- Ja (IF=20mA): Ƙananan 1.07 lm, Mafi 2.71 lm.
- Shudi (IF=15mA): Ƙananan 0.32 lm, Mafi 0.82 lm.
- Kusurwar Dubawa (θ1/2):Yawanci digiri 130. Wannan ita ce kusurwar da ba ta da axis inda ƙarfin haske ya rabi darajar a digiri 0 (akan axis).
- Matsakaicin Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon 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Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon Tsawon TsThe single wavelength perceived as the color.
- Green: 518 nm to 533 nm.
- Red: 618 nm to 628 nm.
- Blue: 455 nm to 464 nm.
- Spectral Line Half-Width (Δλ):Typical values are 33 nm (Green), 20 nm (Red), and 22 nm (Blue).
- Forward Voltage (VF):Tolerance is +/-0.1V.
- Green: 2.9V to 3.4V at 25mA.
- Red: 1.8V to 2.4V at 20mA.
- Blue: 2.6V to 3.4V at 15mA.
- Reverse Current (IR):Maximum 10 μA at VR=5V.Note:The device is not designed for reverse bias operation; this parameter is for IR test qualification only.
. Bin Code System
The LTST-008GEBW is classified using a bin code system to ensure consistency in luminous output and color coordinates for applications requiring uniformity.
.1 Luminous Flux (IV) Rank
LEDs are sorted into bins based on their measured luminous flux at specified drive currents. The bin codes (H2, J1, J2, K1) define ranges from minimum to maximum luminous flux values. The tolerance on each luminous intensity bin is +/- 11%.
.2 Color Coordinate (CIE) Rank
Color consistency is managed through a detailed CIE 1931 chromaticity coordinate binning system. The datasheet provides a comprehensive table and a chromaticity diagram plotting various bin codes (e.g., H2-H7, J2-J7, K2-K7, etc.). Each bin is defined by a quadrilateral area on the CIE chart specified by four (x, y) coordinate points. The tolerance for each hue bin (x, y) is +/- 0.01. This precise binning allows designers to select LEDs with nearly identical color points for multi-LED arrays or status indicators where color matching is critical.
. Typical Performance Curves
The datasheet includes a section for typical performance curves, which graphically represent the relationship between various parameters under different conditions. These curves are essential for in-depth design analysis. While the specific curves are not detailed in the provided text, they typically include:
- Relative Luminous Intensity vs. Forward Current:Shows how light output changes with drive current for each color.
- Forward Voltage vs. Forward Current:Illustrates the IV characteristic of each diode.
- Relative Luminous Intensity vs. Ambient Temperature:Demonstrates the thermal derating of light output.
- Spectral Power Distribution:Plots the relative intensity of emitted light across wavelengths for each color chip.
Consulting these curves helps optimize drive circuitry, manage thermal performance, and predict behavior under non-standard operating conditions.
. User Guide and Assembly Information
.1 Cleaning Instructions
Post-assembly cleaning must be performed with care. Only use ethyl alcohol or isopropyl alcohol at normal room temperature. The LED should be immersed for less than one minute. The use of unspecified chemical cleaners can damage the LED package material, epoxy lens, or internal connections.
.2 Recommended PCB Land Pattern
A recommended footprint (land pattern) for the PCB is provided to ensure proper solder joint formation, mechanical stability, and thermal management during reflow. Following this pattern is crucial for achieving reliable surface mount attachment.
.3 Tape and Reel Packaging Dimensions
The device is supplied in a standard 12mm wide embossed carrier tape wound onto 7-inch (178mm) diameter reels. The datasheet includes detailed dimensions of the tape pockets, cover tape, and reel hub to facilitate compatibility with automated assembly equipment feeders.
. Design Considerations and Application Notes
.1 Current Limiting
As with all LEDs, the forward current must be limited using a series resistor or a constant-current driver. The value should be calculated based on the supply voltage, the forward voltage (VF) of the specific color chip at the desired current, and the maximum DC forward current rating (30mA). Operating at or below the typical test currents (25mA Green, 20mA Red, 15mA Blue) is recommended for long-term reliability.
.2 Thermal Management
While the power dissipation is relatively low, proper thermal design on the PCB is important, especially in high ambient temperature environments or when driving multiple LEDs. The PCB's copper area acts as a heat sink. Ensuring a good thermal path from the LED's solder pads to a larger copper plane can help maintain lower junction temperatures, preserving luminous output and operational life.
.3 Optical Design with Diffused Lens
The white diffused lens provides a wide, uniform viewing angle (130° typical) by scattering the light from the small, bright chip sources. This makes the LED ideal for status indicators that need to be visible from a wide range of angles. It reduces glare and hotspots, creating a soft, even illumination suitable for panel backlighting. Designers should account for this diffusion when modeling light output for their specific application.
.4 Independent Color Control
With separate anode/cathode pairs for each color chip, the LTST-008GEBW offers full independent control. This allows for static indication of three different states (Green, Red, Blue) or, by using pulse-width modulation (PWM) on the individual channels, the creation of a multitude of mixed colors. Careful circuit design is needed to manage three separate current-limiting paths.
. Comparison and Selection Guidance
The LTST-008GEBW occupies a specific niche. Key differentiators include its integrated RGB capability in a single, standard SMD package and its diffused lens for wide-angle viewing. When selecting an LED, engineers should compare:
- Single-color vs. Multi-chip:This device consolidates three indicators into one footprint, saving board space.
- Clear vs. Diffused Lens:Diffused lenses trade off peak axial intensity for wider, more uniform viewing.
- Luminous Flux Binning:For applications requiring consistent brightness across multiple units, specifying a tighter flux bin (e.g., K1) is advisable.
- Color Binning:For color-critical applications, specifying a specific CIE bin code ensures visual consistency between different production batches or adjacent LEDs.
. Frequently Asked Questions (FAQ)
Q: Can I drive all three colors simultaneously at their maximum DC current?
A: No. The absolute maximum power dissipation for the package must not be exceeded. Simultaneously driving Green (102mW), Red (72mW), and Blue (102mW) at their max ratings would far exceed the package's thermal capacity. Derate currents or use multiplexing/PWM to manage total power.
Q: What is the purpose of the JEDEC Level 3 preconditioning?
A: It indicates the device's moisture sensitivity. Level 3 means the package can be exposed to factory floor conditions (≤30°C/60% RH) for up to 168 hours before it must be baked prior to reflow soldering to prevent "popcorning" (package cracking due to vaporized moisture).
Q: How do I interpret the CIE bin code table?
A: Each bin code (e.g., H2) defines a small quadrilateral region on the CIE 1931 chromaticity diagram. The four (x,y) coordinate pairs in the table are the corners of that region. An LED whose measured color coordinates fall within that region is assigned that bin code.
Q: Is a reverse protection diode necessary?
A> While the device can withstand a 5V reverse voltage for test purposes, it is not designed for operation in reverse bias. In circuits where reverse voltage transients are possible (e.g., inductive loads, hot-plugging), external protection such as a series diode or a TVS diode across the LED is strongly recommended to prevent damage.
. Technical Principles and Trends
.1 Operating Principle
Light emission in LEDs is based on electroluminescence in semiconductor materials. When a forward voltage is applied across the p-n junction, electrons and holes recombine, releasing energy in the form of photons. The specific semiconductor compounds (InGaN for green/blue, AlInGaP for red) determine the bandgap energy and thus the wavelength (color) of the emitted light. The white diffused lens is typically made of epoxy or silicone with scattering particles (e.g., titanium dioxide) added to diffuse the point-source light from the chip.
.2 Industry Trends
The SMD LED market continues to evolve towards higher efficiency (more lumens per watt), improved color rendering, and greater miniaturization. Multi-chip packages like the LTST-008GEBW represent a trend toward functional integration, reducing component count and assembly complexity. Furthermore, there is a growing emphasis on tighter binning tolerances for both flux and color to meet the demands of applications like full-color displays and architectural lighting where consistency is paramount. The drive for higher reliability in automotive and industrial applications also pushes advancements in package materials and thermal performance.
Kalmomin Ƙayyadaddun LED
Cikakken bayanin kalmomin fasaha na LED
Aikin Hasken Wutar Lantarki
| Kalma | Naúrar/Wakilci | Bayanin Sauri | Me yasa yake da muhimmanci |
|---|---|---|---|
| Ingancin Hasken Wuta | lm/W (lumen kowace watt) | Fitowar haske kowace watt na wutar lantarki, mafi girma yana nufin mafi ingancin kuzari. | Kai tsaye yana ƙayyade matakin ingancin kuzari da farashin wutar lantarki. |
| Gudun Hasken Wuta | lm (lumen) | Jimillar hasken da tushe ke fitarwa, ana kiransa "haske". | Yana ƙayyade ko hasken yana da haske sosai. |
| Kusurwar Dubawa | ° (digiri), misali 120° | Kusurwar da ƙarfin haske ya ragu zuwa rabi, yana ƙayyade faɗin haske. | Yana shafar kewar haskakawa da daidaito. |
| Zafin Launi (CCT) | K (Kelvin), misali 2700K/6500K | Zafi/sanyin haske, ƙananan ƙimomi rawaya/zafi, mafi girma fari/sanyi. | Yana ƙayyade yanayin haskakawa da yanayin da suka dace. |
| CI / Ra | Ba naúrar, 0–100 | Ikon ba da launukan abubuwa daidai, Ra≥80 yana da kyau. | Yana shafar sahihancin launi, ana amfani dashi a wurare masu buƙatu kamar shaguna, gidajen tarihi. |
| SDCM | Matakan ellipse MacAdam, misali "5-mataki" | Ma'aunin daidaiton launi, ƙananan matakai suna nufin mafi daidaiton launi. | Yana tabbatar da daidaiton launi a cikin rukunin LED iri ɗaya. |
| Matsakaicin Tsawon Raɗaɗin Hasken | nm (nanomita), misali 620nm (ja) | Tsawon raɗaɗin haske daidai da launin LED masu launi. | Yana ƙayyade launin ja, rawaya, kore LED masu launi ɗaya. |
| Rarraba Bakan Hasken | Layin tsawon raɗaɗi da ƙarfi | Yana nuna rarraba ƙarfi a cikin tsawon raɗaɗin haske. | Yana shafar ba da launi da ingancin launi. |
Ma'auni na Lantarki
| Kalma | Alamar | Bayanin Sauri | Abubuwan ƙira |
|---|---|---|---|
| Ƙarfin lantarki na gaba | Vf | Mafi ƙarancin ƙarfin lantarki don kunna LED, kamar "maƙallan farawa". | Ƙarfin lantarki na injin dole ya zama ≥Vf, ƙarfin lantarki yana ƙara don LED a jere. |
| Ƙarfin lantarki na gaba | If | Ƙimar ƙarfin lantarki don aikin LED na yau da kullun. | Yawanci tuƙi mai ƙarfi akai-akai, ƙarfin lantarki yana ƙayyade haske da tsawon rai. |
| Matsakaicin Ƙarfin lantarki na bugun jini | Ifp | Matsakaicin ƙarfin lantarki mai jurewa na ɗan lokaci, ana amfani dashi don duhu ko walƙiya. | Fadin bugun jini da sake zagayowar aiki dole ne a sarrafa su sosai don guje wa lalacewa. |
| Ƙarfin lantarki na baya | Vr | Matsakaicin ƙarfin lantarki na baya da LED zai iya jurewa, wanda ya wuce zai iya haifar da rushewa. | Dangane dole ne ya hana haɗin baya ko ƙarfin lantarki. |
| Juriya na zafi | Rth (°C/W) | Juriya ga canja wurin zafi daga guntu zuwa solder, ƙasa yana da kyau. | Babban juriya na zafi yana buƙatar zubar da zafi mai ƙarfi. |
| Rigakafin ESD | V (HBM), misali 1000V | Ikon jurewa zubar da wutar lantarki, mafi girma yana nufin ƙasa mai rauni. | Ana buƙatar matakan hana wutar lantarki a cikin samarwa, musamman ga LED masu hankali. |
Gudanar da Zafi & Amincewa
| Kalma | Ma'aunin maɓalli | Bayanin Sauri | Tasiri |
|---|---|---|---|
| Zazzabin Haɗin gwiwa | Tj (°C) | Ainihin yanayin aiki a cikin guntun LED. | Kowane raguwa 10°C na iya ninka tsawon rai; yayi yawa yana haifar da lalacewar haske, canjin launi. |
| Ragewar Lumen | L70 / L80 (sa'o'i) | Lokacin da haske ya ragu zuwa 70% ko 80% na farko. | Kai tsaye yana ayyana "tsawon sabis" na LED. |
| Kula da Lumen | % (misali 70%) | Kashi na hasken da aka riƙe bayan lokaci. | Yana nuna riƙon haske akan amfani na dogon lokaci. |
| Canjin Launi | Δu′v′ ko ellipse MacAdam | Matsakaicin canjin launi yayin amfani. | Yana shafar daidaiton launi a cikin yanayin haskakawa. |
| Tsufa na Zafi | Lalacewar kayan aiki | Lalacewa saboda yanayin zafi na dogon lokaci. | Zai iya haifar da raguwar haske, canjin launi, ko gazawar buɗe kewaye. |
Tufafi & Kayan Aiki
| Kalma | Nau'ikan gama gari | Bayanin Sauri | Siffofi & Aikace-aikace |
|---|---|---|---|
| Nau'in Kunshin | EMC, PPA, Yumbu | Kayan gida masu kare guntu, samar da hanyar sadarwa ta gani/zafi. | EMC: juriya mai kyau na zafi, farashi mai rahusa; Yumbu: mafi kyawun zubar da zafi, tsawon rai. |
| Tsarin Guntu | Gaba, Guntu Juyawa | Tsarin na'urorin lantarki na guntu. | Juyawar guntu: mafi kyawun zubar da zafi, inganci mafi girma, don ƙarfi mai ƙarfi. |
| Rufin Phosphor | YAG, Silicate, Nitride | Yana rufe guntu shuɗi, yana canza wasu zuwa rawaya/ja, yana haɗa su zuwa fari. | Phosphor daban-daban suna shafar inganci, CCT, da CRI. |
| Ruwan tabarau/Optics | Lefi, Microlens, TIR | Tsarin gani a saman yana sarrafa rarraba haske. | Yana ƙayyade kusurwar dubawa da layin rarraba haske. |
Kula da Inganci & Rarraba
| Kalma | Abun rarraba | Bayanin Sauri | Manufa |
|---|---|---|---|
| Kwalin Gudun Hasken | Lambar misali 2G, 2H | An tattara su ta hanyar haske, kowace ƙungiya tana da ƙananan/matsakaicin ƙimar lumen. | Yana tabbatar da daidaiton haske a cikin jeri ɗaya. |
| Kwalin Ƙarfin lantarki | Lambar misali 6W, 6X | An tattara su ta hanyar kewayon ƙarfin lantarki na gaba. | Yana sauƙaƙe daidaitawar tuƙi, yana inganta ingancin tsarin. |
| Kwalin Launi | Ellipse MacAdam 5-mataki | An tattara su ta hanyar daidaitattun launi, yana tabbatar da ƙuntataccen kewayon. | Yana ba da garantin daidaiton launi, yana guje wa launi mara daidaituwa a cikin kayan aikin. |
| Kwalin CCT | 2700K, 3000K da sauransu | An tattara su ta hanyar CCT, kowanne yana da madaidaicin kewayon daidaitawa. | Yana cika buƙatun CCT na yanayi daban-daban. |
Gwaji & Takaddun Shaida
| Kalma | Matsakaicin/Gwaji | Bayanin Sauri | Muhimmanci |
|---|---|---|---|
| LM-80 | Gwajin kula da lumen | Haskakawa na dogon lokaci a yanayin zafi akai-akai, yana rikodin lalacewar haske. | Ana amfani dashi don kimanta rayuwar LED (tare da TM-21). |
| TM-21 | Matsakaicin kimanta rayuwa | Yana kimanta rayuwa a ƙarƙashin yanayi na ainihi bisa bayanan LM-80. | Yana ba da hasashen kimiyya na rayuwa. |
| IESNA | Ƙungiyar Injiniyoyin Haskakawa | Yana rufe hanyoyin gwajin gani, lantarki, zafi. | Tushen gwaji da masana'antu suka amince. |
| RoHS / REACH | Tabbatarwar muhalli | Yana tabbatar da babu abubuwa masu cutarwa (darma, mercury). | Bukatar shiga kasuwa a duniya. |
| ENERGY STAR / DLC | Tabbatarwar ingancin kuzari | Tabbatarwar ingancin kuzari da aiki don samfuran haskakawa. | Ana amfani dashi a cikin sayayyan gwamnati, shirye-shiryen tallafi, yana haɓaka gasa. |