Claims (14)
一種背光模組,用以提供一液晶顯示面板所需的面光源,包括:n個第一變壓器,上述n個第一變壓器的一次側共同接收一第一驅動信號;以及n個第一燈管,第i個第一燈管的第一端耦接第i個第一變壓器的二次側的第一端,第i個第一燈管的第二端耦接第i+1個第一變壓器的二次側的第二端,第n個第一燈管的第一端耦接第n個第一變壓器的二次側的第一端,第n個第一燈管的第二端耦接第1個第一變壓器的二次側的第二端,其中n與i為正整數,且n大於i。A backlight module for providing a surface light source required for a liquid crystal display panel, comprising: n first transformers, a primary side of the n first transformers collectively receiving a first driving signal; and n first lamps The first end of the i-th first tube is coupled to the first end of the secondary side of the i-th first transformer, and the second end of the i-th first tube is coupled to the i+1th first transformer The second end of the second side of the second first tube is coupled to the first end of the second side of the nth first transformer, and the second end of the nth first tube is coupled The second end of the secondary side of the first first transformer, wherein n and i are positive integers and n is greater than i.
如申請專利範圍第1項所述之背光模組,更包括:n個第二變壓器,上述n個第二變壓器的一次側共同接收一第二驅動信號;n個第二燈管,第i個第二燈管的第一端耦接第i個第二變壓器的二次側的第一端,第i個第二燈管的第二端耦接第i+1個第二變壓器的二次側的第二端,第n個第二燈管的第一端耦接第n個第二變壓器的二次側的第一端,第n個第二燈管的第二端耦接第1個第二變壓器的該二次側的第二端;以及一比流器,該比流器的一次側的第一端接收該第一驅動信號,該比流器的一次側的第二端耦接上述n個第一變壓器的一次側,該比流器的二次側的第一端接收該第二驅動信號,該比流器的二次側的第二端耦接上述n個第二變壓器的一次側,該比流器用以將上述n個第一變壓器的一次側的電流與上述n個第二變壓器的一次側的電流調整為相同。The backlight module of claim 1, further comprising: n second transformers, wherein the primary side of the n second transformers jointly receive a second driving signal; n second tubes, the ith The first end of the second lamp is coupled to the first end of the secondary side of the i-th second transformer, and the second end of the i-th second tube is coupled to the secondary side of the i+1th second transformer The second end of the nth second tube is coupled to the first end of the secondary side of the nth second transformer, and the second end of the nth second tube is coupled to the first end a second end of the secondary side of the second transformer; and a current divider, the first end of the primary side of the current comparator receives the first driving signal, and the second end of the primary side of the current transformer is coupled to the second end a primary side of the n first transformers, the first end of the secondary side of the current comparator receives the second driving signal, and the second end of the secondary side of the current transformer is coupled to the n second transformers On the side, the current transformer is configured to adjust the current of the primary side of the n first transformers to be the same as the current of the primary side of the n second transformers.
如申請專利範圍第2項所述之背光模組,其中該第一驅動信號及該第二驅動信號由一反換流器所提供。The backlight module of claim 2, wherein the first driving signal and the second driving signal are provided by an inverter.
如申請專利範圍第2項所述之背光模組,其中該第一驅動信號與該第二驅動信號相同。The backlight module of claim 2, wherein the first driving signal is the same as the second driving signal.
如申請專利範圍第2項所述之背光模組,其中上述n個第一變壓器的一次側與二次側為同極性,且上述n個第二變壓器的一次側與二次側為同極性。The backlight module of claim 2, wherein the primary side and the secondary side of the n first transformers have the same polarity, and the primary side and the secondary side of the n second transformers have the same polarity.
如申請專利範圍第2項所述之背光模組,其中該比流器為一變壓器。The backlight module of claim 2, wherein the current transformer is a transformer.
如申請專利範圍第6項所述之背光模組,其中該比流器的一次側與二次側為異極性。The backlight module of claim 6, wherein the primary side and the secondary side of the current transformer are different in polarity.
一種液晶顯示裝置,包括:一液晶面板;一背光模組,其中該液晶面板配置於該背光模組的一側,該背光模組包括:n個第一變壓器,上述n個第一變壓器的一次側共同接收一第一驅動信號;以及n個第一燈管,第i個第一燈管的第一端耦接第i個第一變壓器的二次側的第一端,第i個第一燈管的第二端耦接第i+1個第一變壓器的二次側的第二端,第n個第一燈管的第一端耦接第n個第一變壓器的二次側的第一端,第n個第一燈管的第二端耦接第1個第一變壓器的二次側的第二端,其中n與i為正整數,且n大於i。A liquid crystal display device includes: a liquid crystal panel; a backlight module, wherein the liquid crystal panel is disposed on one side of the backlight module, the backlight module includes: n first transformers, and one of the n first transformers The first side of the second first tube is coupled to the first end of the secondary side of the i-th first transformer, the first one is the first one. The second end of the first tube is coupled to the second end of the second side of the i+1th first transformer, and the first end of the nth first tube is coupled to the second side of the nth first transformer At one end, the second end of the nth first tube is coupled to the second end of the secondary side of the first first transformer, where n and i are positive integers, and n is greater than i.
如申請專利範圍第8項所述之液晶顯示裝置,其中該背光模組更包括:n個第二變壓器,上述n個第二變壓器的一次側共同接收一第二驅動信號;n個第二燈管,第i個第二燈管的第一端耦接第i個第二變壓器的二次側的第一端,第i個第二燈管的第二端耦接第i+1個第二變壓器的二次側的第二端,第n個第二燈管的第一端耦接第n個第二變壓器的二次側的第一端,第n個第二燈管的第二端耦接第1個第二變壓器的該二次側的第二端;以及一比流器,該比流器的一次側的第一端接收該第一驅動信號,該比流器的一次側的第二端耦接上述n個第一變壓器的一次側,該比流器的二次側的第一端接收該第二驅動信號,該比流器的二次側的第二端耦接上述n個第二變壓器的一次側,該比流器用以將上述n個第一變壓器的一次側的電流與上述n個第二變壓器的一次側的電流調整為相同。The liquid crystal display device of claim 8, wherein the backlight module further comprises: n second transformers, wherein the primary sides of the n second transformers jointly receive a second driving signal; n second lamps The first end of the ith second tube is coupled to the first end of the secondary side of the i-th second transformer, and the second end of the ith second tube is coupled to the i+1th second a second end of the secondary side of the transformer, the first end of the nth second tube is coupled to the first end of the secondary side of the nth second transformer, and the second end of the nth second tube is coupled a second end of the secondary side of the first second transformer; and a current divider, the first end of the primary side of the current comparator receiving the first driving signal, the first side of the current comparator The second end is coupled to the primary side of the n first transformers, the first end of the secondary side of the current comparator receives the second driving signal, and the second end of the secondary side of the current transformer is coupled to the n a primary side of the second transformer, the current transformer is configured to adjust a current of a primary side of the n first transformers and a current of a primary side of the n second transformers to a phase .
如申請專利範圍第9項所述之液晶顯示裝置,其中該第一驅動信號及該第二驅動信號由一反換流器所提供。The liquid crystal display device of claim 9, wherein the first driving signal and the second driving signal are provided by an inverter.
如申請專利範圍第9項所述之液晶顯示裝置,其中該第一驅動信號與該第二驅動信號相同。The liquid crystal display device of claim 9, wherein the first driving signal is the same as the second driving signal.
如申請專利範圍第9項所述之液晶顯示裝置,其中上述n個第一變壓器的一次側與二次側為同極性,且上述n個第二變壓器的一次側與二次側為同極性。The liquid crystal display device according to claim 9, wherein the primary side and the secondary side of the n first transformers have the same polarity, and the primary side and the secondary side of the n second transformers have the same polarity.
如申請專利範圍第9項所述之液晶顯示裝置,其中該比流器為一變壓器。The liquid crystal display device of claim 9, wherein the current transformer is a transformer.
如申請專利範圍第13項所述之液晶顯示裝置,其中該比流器的一次側與二次側為異極性。The liquid crystal display device of claim 13, wherein the primary side and the secondary side of the current transformer are of opposite polarity.