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~.W.Wz. WY tztxY nz{p zxp Wz.T.. tzt p{xY zN
Rh vnzp -Ry vYp nYjp Wp- Wz. T. .

Wz. T. . z tzt rn{p Rxy, rn { z tzt, WK.Wz. ~cx

Wz. T. . lY}jx

RzYx {p hxh rp {l L.E.D. (Light Emitting Diodes) z rp ~q YtY, rzfM  RMo ~ppxY hxh ul Yyx. Y{z hxhxp Yl Yyp RzYx rvj{l p{p tp ~vp tztxYf ~vp RzYxY zt [K ~q v  hxh rxY x [vf ~ {x.
vl Yzx  zx rv~p YzrxY {|xp L.E.D. lY}jx Yy zYx R{opx xv x. v  ~yz nl oy{Y (Direct Current) x [pp tp [~m rrmx R rl{Ml oy{ (Alternative Current) ~v[ x v ~q r{MlYxY n x [ppf ~ N. ~vpxp L.E.D. tztxp Yl {pp {Mj{l RzYxx. W~ ~ RzYx zt [vf Rvly lY}jxY x [vf ~ N.
K {p f zYx yf{z tvxY [~m RzY R{|l ~q L.E.D. lY}jx x [p. ~vp tzt  ~.W.Wz. (Compact Fluorescent Light) tzt{zf ~rY}{ L.E.D. tztxY z rucpx Rh x. {G 5 ~f 60 nY{ rvj{z RpYl tztxY RzYx {G 7Y rvj L.E.D. tztxp zt[l x.
RpY Rlf L.E.D. tztx nl YMxY}vl{ n S x. rx 30,000Y rvj Rx YzxY n Tf Rl. K Rx Yzx tztx xlvY {p U}jl{x vl {p~ N. ~vp lll{ xfl L.E.D. tztxY R{y 25-30Y rvj YzxY ul Y  t{ RrY}l x. Rx Yzx vzzv tztx RzYYyj {l{ WY ~ r{. WrvjY p{ L.E.D. tztx y~x pvl. Wx n ~.W.Wz. tztxf ~rY}{ ~|} {~x.
K {p f zYx rv r tzt }rnYxp [jp{Yv L.E.D. tzt [ RzYYyjx ~q {c vGfp rnv RyKu Yf Rl.
~vp tztxY YMxY}vl{ Sl Rh x. W ~Y{ RzYvl K  nl |Yxp 98%Y lr {|xp v M. RzYYyjxf x [ppp 2%Y rv. ~vp tztxY Rx Yzx rx 1000Y rvj N.
L.E.D. tzt{zf M{zl rxYl v[y{ [v ~q }rnYxp[ R{opx xv  Rl. {Mj xY nM|Yx (CRI) Rh vGfvY r{v K Rly r{p rtz toYx. Wvpv o Yj{zp t f {Mjxf ~v[ U}jl{x n CCT {p~ x. WrvjY p{ lrxf Xyll K x{ n Rh x. Wtp L.E.D. v[p Ulrnpx Y  tzx n ~l x.

tz|Y RMtnxf rxK ~v ~q {  {~p zYx z rucpx rv~zp p{lv YzrxY {|xp vl Yzp{ z{ ry RpnzpxY R Y Wz.T.. lY}jx Sl Yh z tt z~p o Yfxl ~q x [pp Xt Y Rl. Wl Wz.T.. lY}jx Yh ttYf ~v pN. Wx {~Y RzYvl v { zY {h{zf n x[l x. K {p f vly rzzvzz rn|x lyjxY [ RzYYyjxf Wz.T.. lY}jx x [K Yfxl ~MmY{ Sf Yyp ~.

vly r WK.Wz. ~cx (31) ~x x{p YM |{~xp ~x r~z xp Yzx rfpv x. vly ~MN~~ nzxp R.r.~. U. r nY{ Rorpx zt ~cx Sp r~ ~x {lx x{p Xr vGfK Yy [vf ~vl x. p[[h yf Rxlpx  R{y nYY rvj YzxY SzYfY  ym{p xpY |zrx (Xf vtxz) rtq rgvz{Y ~KrMj vf X ~vl x. A 2002-2003 Yzx x.
r~z Yzx ~fv Ylzx r vp~p o xYyYK{z yl { ~cx p{ z ttY Mvjx vf ~vl x. Wx {xp ry nYpf R ~vp z tt vpv RzYx ~rxx. {p~Y z~ rp{ vf Rll hx rv. pvl {qr nYpf R z tt{zf {h ~|} YMxxY ~cx ~p rn{p ztp z tzt{zf ~ Y  x. A rtq{ WK.Wz. ~cx ~x Rn~ vz~ [p Yyx.
vv r~z Yzl nl {h{zf Sl Yvx. vv Sl Upp{Y Y{ }lx Wxx. yf Rxlpxf ~Ktpo {z S[p [pp Yz p{ rxK Yyppf rzwj. vfM ym{z nl rrm ~Y~ Yyp ~p Rlylyx vv tztx }rnpx Yypp vv Yzrp Y. R{y nYY ly o RltzK Y. W rszxY f lvx {~Y z tt ~q {x {p zxp 95%Y rvjv S Y  vv tztx }rnpx Y.
K {p f X Rp {G 60 nY{ { z tzt }rnpx ~ YM. {G 20 z tzt n {~ ~q Sl rxcp{l x.
~cx[ z tt p{xY RzY{l v ~q {x {pp {qr ~zt{ R ~.W.Wz. (CFL) tztxY ~q R{| zx rv.
X[ z tt ~q ul Yypp Wz.T.. Yh z tt x. A{ rrmxYf ~Ktpo Yf vv ~|} tzt rnN. A{ o rxp xl{ n }rnpx {x.
K z ttY ~vp Rx Yzx rx n~ n~. A{ RzY{l v ~q WlyK zxY n R{| pN.
K tzt ~q ul Yyp ztp Wz.T.. tzt Rl Yf~ ~Yv Rpxpx Yypp pxp x. Wx K {p f }Yy YMxx. Al A Rr~l voxv K tzt }rnpx n ~ YM.
jx r~YvY...
WY {yYf tzt zY} rY{l Rpxpx Yypp ~ {p{. Wv ~ |z vnzYl {x {p{. Rrf tp r~YK ~v[ A{ ~ Yypp Rr~x. Wv ~ Rh rzxYf ~px [vYf jx vnzY zt vf Yfxl Yl Rrf |z |YxY. tzt {xp }rnpx Yyppl, pf {h Rh vnzYf A{ {qrf Yl vfl Wv[p  {p{.
WK.Wz. ~cx Rr ~v[ W~ rY| Y l{l p{ }rnp ~Y n p{ vf Yfxl Yyp ~p t{ n `{.
np[v oKY yjy
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