Nunin LCD shine na'urar nuni da aka fi sani a rayuwarmu da aikinmu na yau da kullun. Ana iya samunsa a cikin kwamfutoci, talabijin, na'urorin hannu, da sauran kayayyakin lantarki daban-daban. Tsarin kristal na ruwa ba wai kawai yana ba da tasirin gani mai inganci ba, har ma yana ba da bayanai ta hanyar babban aikin sa. Wannan labarin zai mayar da hankali kan babban dubawa da bayanin samfurin Tft Nuni.
Ana aiwatar da babban ƙirar Tft Nuni ta hanyar fasaha daban-daban. Wasu daga cikin fasahohin gama gari sun haɗa da RGB, LVDS, EDP, MIPI, MCU, da SPI. Wadannan fasahohin mu'amala suna taka muhimmiyar rawa a cikin ƙira da ayyuka na allon LCD.
Ƙididdigar RGB ɗaya ce daga cikin mu'amalar allon nunin LCD na gama gari. Yana ƙirƙirar hotuna daga pixels masu launuka uku: ja (R), kore (G), da shuɗi (B). Kowane pixel yana wakilta ta hanyar haɗuwa daban-daban na waɗannan launuka na asali guda uku, yana haifar da nunin launi mai inganci. Ana samun musaya na RGB akan na'urorin kwamfuta na gargajiya da yawa da allon talabijin.
LVDS (Ƙaramar Ƙarfafa Siginar Siginar Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙa)) fasaha ce ta gama gari da ake amfani da ita don manyan kayan kristal na ruwa mai ƙima. Ƙarƙashin ƙarancin wutar lantarki bambance-bambancen fasahar sigina ce. Hanyar watsa siginar bidiyo na dijital da aka haɓaka don shawo kan gazawar babban amfani da wutar lantarki da babban kutsewar lantarki ta EMI lokacin watsa babban adadin ƙimar ƙimar ƙararrawa a matakin TTL. Ƙididdigar fitarwa ta LVDS tana amfani da ƙananan juzu'in wutar lantarki (kimanin 350mV) don watsa bayanai daban-daban akan alamun PCB guda biyu ko madaidaitan igiyoyi guda biyu, wato, watsa siginar ƙarancin wutar lantarki. Amfani da kayan aikin fitarwa na LVDS yana ba da damar watsa sigina akan layukan PCB daban-daban ko madaidaitan igiyoyi a ƙimar Mbit/s ɗari da yawa. Saboda amfani da ƙananan ƙarfin lantarki da ƙananan hanyoyin tuƙi na yanzu, ana samun ƙananan ƙararraki da ƙarancin wutar lantarki. Ana amfani da shi musamman don ƙara saurin watsa bayanai na allon da rage tsangwama na lantarki. Ta amfani da mu'amalar LVDS, allon LCD na iya watsa bayanai masu yawa a lokaci guda kuma su sami ingancin hoto mai girma.
Ma'anar EDP (Embedded DisplayPort) sabon ƙarni ne na fasahar dubawa ta Tft Nuni don kwamfyutoci da allunan. Yana da abũbuwan amfãni daga babban bandwidth da kuma babban adadin canja wurin bayanai, wanda zai iya goyan bayan babban ƙuduri, babban adadin wartsakewa da ingantaccen launi. Ana amfani da shi musamman don ƙara saurin watsa bayanai na allon da rage tsangwama na lantarki. Ta amfani da mu'amalar LVDS, allon LCD na iya watsa bayanai masu yawa a lokaci guda kuma su sami ingancin hoto mai girma. Ƙididdigar EDP tana ba da damar allon nuni na LCD don samun ingantattun tasirin gani akan na'urorin hannu.
MIPI (Mobile Industry Processor Interface) misali ne na gama-gari don na'urorin hannu. Ƙididdigar MIPI na iya watsa bidiyo mai inganci da bayanan hoto tare da ƙarancin wutar lantarki da babban bandwidth. Ana amfani da shi sosai a cikin allon LCD na na'urorin hannu kamar wayoyin hannu da Allunan.
MCU (Microcontroller Unit) ana amfani dashi musamman don wasu ƙananan ƙarfi, ƙananan ƙudurin Nuni na Tft. Ana amfani da shi a cikin na'urorin lantarki masu sauƙi kamar masu ƙididdigewa da agogo masu wayo. Ƙididdigar MCU na iya sarrafa nuni da ayyuka na allon nunin LCD yadda ya kamata yayin da samun ƙananan ƙarfin amfani. Data bit watsa ya hada da 8-bit, 9-bit, 16-bit da 18-bit. An raba haɗin kai zuwa: CS/, RS (zaɓin rajista), RD/, WR/, sannan layin bayanai. Fa'idodin sune: sarrafawa mai sauƙi da dacewa, babu agogo da siginar aiki tare da ake buƙata. Rashin hasara shine: yana cinye GRAM, don haka yana da wahala a cimma babban allo (QVGA ko sama).
SPI (Serial Peripheral Interface) fasaha ce mai sauƙi kuma gama gari wacce ake amfani da ita don haɗa wasu ƙananan kwamfutoci, kamar smartwatch da na'urori masu ɗaukar nauyi. Siffar SPI tana ba da saurin sauri da ƙarami girman fakiti lokacin watsa bayanai. Kodayake ingancin nunin sa yana da ɗan ƙaramin ƙarfi, ya dace da wasu na'urori waɗanda ba su da manyan buƙatu don tasirin nuni. Yana bawa MCU da na'urori daban-daban damar sadarwa ta hanyar serial don musayar bayanai. SPI tana da rajista uku: rijistar sarrafa SPCR, rijistar matsayi SPSR da rajistar bayanai SPDR. Kayan aiki na gefe sun haɗa da mai sarrafa cibiyar sadarwa, direban Tft Display, FLASHRAM, mai sauya A/D da MCU, da sauransu.
Don taƙaitawa, babban abin dubawa na allon nuni na LCD ya ƙunshi nau'ikan fasahar dubawa kamar RGB, LVDS, EDP, MIPI, MCU da SPI. Daban-daban fasahohin mu'amala suna da aikace-aikace daban-daban a cikin nunin Tft daban-daban. Fahimtar halaye da ayyuka na fasahar mu'amala ta allo na LCD zai taimaka mana zaɓi samfuran samfuran kristal na ruwa waɗanda suka dace da bukatunmu, kuma mafi kyawun amfani da fahimtar ƙa'idar aiki na allo LCD.
Lokacin aikawa: Nuwamba-29-2023