1. N'ime usoro mmepụta, nchekwa, njem na mgbakọ nke nchekwa nkwakọ ngwaahịa LeD, ngwá ọrụ, akụrụngwa, ihe na ndị na-arụ ọrụ nwere ike ịmepụta ọtụtụ puku voltaji voltaji n'ihi esemokwu. Mgbe LED nọ na kọntaktị na ebubo ndị a, ahụ ebubo ga-ahapụ site na LED 2. N'ihi nnukwu resistivity nke ihe semiconductor, ụgwọ mmetụta nke mgbawa na-emepụta n'oge usoro mmepụta adịghị mfe ịpụ. , Nwere ike igbanye a elu electrostatic voltaji. Voltage a ga-emepụta voltaji mmebi ike electrostatic nke bụ naanị narị otu narị na puku puku mkpuchi n'ime ma ọ bụ PIN n'ime mkpuchi n'ime ma ọ bụ PIN nke ọkụ eletrik siri ike imebi site na LED. Mmetụta bara uru. Dịka egosiri na eserese 2-2, mmebi nke mgbawa ime LED kpatara site na ntọhapụ static ma ọ bụ eletriki. N'ikwu okwu n'ozuzu, obere nha nke ngwaọrụ ahụ, obere voltaji electrostatic ị nwere ike idi, ka ọkụ eletrik na-adịwanye egwu na-eyi ya egwu. Mmebi nke mgbawa dị n'ime LED kpatara ntọhapụ electrostatic static. N'oge usoro ahụ, ọrụ onye ọrụ na-arụ ọrụ buru ibu ma na-emekarị, yana ọtụtụ kọntaktị na ihe na ngwaọrụ. Ọ bụrụ na a na-eme nchekwa nchekwa static dị ka ihe nchebe electrostatic si dị n'oge a na-arụ ọrụ, a gaghị ebupụ ọkụ eletrik static n'oge, na LED ga-emekwa ka LED nnukwu mmebi. Tebụl 2-1 depụtara ụdị voltaji na ahụ mmadụ. Dị ka a pụrụ ịhụ na Tebụl 2-1, n'ime usoro ahụ na-enwe obere iru mmiri dị ala, ọ dị oke mkpa ịme nchedo static dị mkpa na ịchịkwa mmebi nke voltaji ahụ mmadụ na ngwaọrụ ahụ. Otú ọ dị, ọkụ eletrik mmadụ static dị mfe ileghara anya, na ọtụtụ ihe nchebe electrostatic dịkwa mfe ileghara anya. N'oge usoro nkwakọ ngwaahịa LED niile, ndị ọrụ niile na-arụ ọrụ usoro ga-eburu n'uche mgbe niile echiche nke nchekwa nchekwa static.
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