TWI317825B - Light source system - Google Patents

Description

1317825 IX. Description of the Invention: [Technical Field] The present invention provides a light source system, particularly a light source system that uses a color light-emitting diode as a light source to provide a single polarized component white light source. [Prior Art] Since the liquid crystal display has the characteristics of being thin and light in size, low in power consumption, and free from radiation pollution, it is widely used as a display device and is widely used in personal desktop computers and notebook computers. Portable information products such as personal digital assistants (PDAs) and mobile phones have gradually replaced cathode ray tubes (Cath〇 deRayTube, CRT) monitors and traditional televisions. The liquid cryStal display module (LCM) is the most critical device in a liquid crystal display, and includes components such as a liquid crystal display panel and a backlight module. The liquid crystal display panel is provided with a liquid crystal molecular layer in two glass substrates, and an alignment layer is usually applied on each of the glass substrates so that the liquid crystal molecules are aligned along a specific direction parallel to the glass surface. By means of an electronic component such as a transistor or an electrode on a glass substrate, the Nissin molecule can provide an electric field and cause the liquid crystal molecule to change with the size of the electric k field, which is changed by the direction of the liquid crystal molecules. This causes the polarization of the polarized light to change in the direction of the polarization when passing through the liquid crystal molecules. Therefore, the display principle of the liquid display panel is that the polarizing surface is set on the upper and lower sides of the liquid crystal display panel, and the rotation of the liquid crystal molecules is used to control the amount of light on the light surface, so that the surface can be displayed. . 1317825 ' Please refer to Figure 1, which is a structural explosion diagram of a conventional liquid crystal display ίο. The conventional liquid crystal display panel 12 includes two glass substrates on which electrodes are disposed, and liquid crystal molecules are disposed in the middle of the glass substrate. On both sides of the liquid crystal display panel 12, a first polarizer 16 and a second polarizer 14 are disposed, and the transmission axes of the two are perpendicular to each other. The backlight module μ includes a plurality of light sources 20 disposed on two sides of the liquid crystal panel 12 and fixed to the outer frame of the backlight module 18, and the outer frame further includes a heat sink 22 disposed outside the light source 20. In addition, the backlight module 18 generally includes a light guide plate 24 disposed directly below the liquid crystal display panel 12, a reflective sheet 26 disposed under the light guide plate 24, and a first diffusion sheet 28, two prism sheets 30, 32, and a second portion. The diffusion sheet 34 is sequentially disposed above the light guide plate 24. The display principle of the conventional liquid crystal display 10 is to control the brightness of the light passing through the first and second polarizers 16, 14 which are perpendicular to each other on the both sides of the liquid crystal display panel. When the random polarized light generated by the backlight module 18 passes through the first polarizer 16, about 50% of the light is absorbed by the first polarizer 16, and the light entering the liquid crystal layer through the first polarizer 16 is parallel to the first A polarized light that penetrates the axis of a polarizer 16. Then, by applying an electric field to each pixel of the liquid crystal display panel 12 to rotate the alignment direction of the liquid crystal molecules, the polarized light changes its polarization direction, and when the polarization direction of the polarized light is parallel to the transmission axis of the second polarizer 14, The ?a face can be displayed through the second polarizer 14, and the responsibility is absorbed by the second polarizer 14. As can be seen from the above, regardless of the brightness provided by the backlight module 18, the liquid crystal display 1 with the first polarizer 16 can only achieve 50% light utilization. 1317825 Moreover, currently small-sized liquid crystal displays ίο mostly use light-emitting diodes

(lightemittingdi〇de ’LED) is used as its light source 20, but since the development of the white LED '' is not mature, the conventional backlight module 18 usually adopts multiple different colors.

The colored led light is used as the light source 20, for example, a red light LED, a green light LED, and a blue light LED are alternately arranged side by side to feed the wire. However, the problem of uneven mixing of light is caused by the green color of the green color. Therefore, the current practice is to increase the first _mixing distance, but this will reduce the efficiency of light use and enlarge the size of the product, and cannot meet the information display products. The need for thin and light I. SUMMARY OF THE INVENTION An object of the present invention is to provide a light source system including an optical conversion module that can provide a single-polarized light source to a liquid crystal display panel to improve the overall 7C degree and light utilization efficiency of the display. According to the patent application scope of the present invention, the light age system of the present invention comprises an optical conversion group and a first color light source and a second color light source, wherein the optical conversion module has an optical polarization component. And a polarization modulation component. The optically polarized element=3 has a wire and at least a birefringent surface, and the birefringent surface allows the first-polar pole to pass through and reflect the second polarized component, and the surface of the birefringent surface is the through-plane , t face is - reflective surface. The first and second color light sources respectively generate the first color light and the second color light of different colors, and the first 'second color light source is disposed on opposite sides of the optical conversion module and is oppositely disposed, and the first and second colors are respectively The colored light can be mixed into white light or the second colored light will be split through the birefringent surface to become the first polarizer 1317825 :: inside, the first - the second private and the second or second polarized component will pass the polarization The function of the modulation element is to change its polarization direction, and the money- or second color light is the machine: the first: the polar component or the first-polar component, and the light is taken out by the light (4). Because the present invention sets different color light sources on both sides of the optical conversion module, and then special design such as guessing scales in the dry module, the color light can be fully mixed in the optical conversion module, and The light is converted into a single polar component to improve the overall light_line. Moreover, since the non-color silk is disposed at different points of the light source system, the present invention can design a heat dissipation environment for different color light sources to further improve the optical effect and extend the life of the light source. [Embodiment] The month of the month refers to Fig. 2, and Fig. 2 is a side view of the first embodiment of the light source system of the present invention. The light source system 50 includes at least one optical conversion module 52, a red light source is located in the left of the optical conversion module 52, and the green light source and the blue light source (10) are only represented by a light source as a representative). The right side of the module 52, wherein the light sources are all LED light sources. The optical conversion surface group η includes two polarization elements M, 56, and a polarization modulation element 58 is disposed between the first and second polarization polarization elements, the brother's, and a reflective diaphragm 64. Preferably, the lower portion of the first and second optically polarizing elements 54, 56' is a one-half phase retardation film. The first and second optical polarization elements 54, 56 are formed by a birefringent crystal, such as quartz calcite or ice stone, which can divide the random polarization component into a first polarization component and a first The two poles are placed, and the second component of the second pole is reflected. 1317825 The optical conversion module 52 includes a first light-incident surface 6〇 and a second light-incident surface 62 which are parallel to each other for receiving a random polarization component generated by the two side light sources, and a first light-emitting surface 66 located on the same plane. 68. The second light-emitting surface 70, 72 and the second light-emitting surface 74 and the fourth light-emitting surface 76 are disposed on the same plane, wherein the polarization-modulating element% is disposed adjacent to the second light-emitting surface 70, 72. In addition, the first photo-polarization unit % and the second photo-polarization unit 56 have a birefringence surface 78, 80, wherein the birefringence surface 78 is opposite to the surface of the first human filament 6G. The light can be completely reflected, and the birefringent surface 78 is adjacent to the first light incident surface 6 为 as a penetration surface 82, which will reverse the first polarization component and let the first polarization component pass: similarly, the second The birefringence surface 80 of the optical polarization = a surface opposite to the surface of the second light incident surface 62 is a reflection surface which is polarized for one day, and Γ is a penetration surface 84, and the second polarization component is also reflected, and the first 60 H passed. Further in the present embodiment, the birefringent surface 78 and the first light incident surface 45. . Further, the angle between the surface 8 〇 and the second light incident surface 62 is preferably μ 詈 /, and the diaphragm 64 is perpendicular to the first and second light incident surfaces 60 , 62 and is disposed at The surfaces of the third and fourth light exiting surfaces 74, 76. The drain component Sr generated by the red light source on the left side will be thin, ^3 has the first polarization component IV and the second bias travels to the birefringence surface 2; light: 60 enters the first-light polarization The second light-emitting surface 7〇, through the polarization pole component P, can travel through the penetration surface 82 and then travel to the second light polarization single element 58 to be converted into the second polarization component V, and the reflection - Μ 68 ( (10) 'is completely reflected by the reflecting surface 88, and the second-polar component Sr of the light-emitting surface 60 enters the light-biased pole 1317825, and the three light-emitting surface 74 is emitted, and then the ^Birefringent surface % reflection, by the 54th ^ splicer is reflected by the reflective cymbal & reflected back into the light-polarized single tooth 4 'through the penetrating surface 82 and the first light-emitting surface is the same as before' The right blue light and the green light source pass through the second person smooth surface singularity SGB=rr=r to have the first-polar component Pgb and the first: the partial polarization component/, and the partial pole ^PGB will pass through the penetration surface 84. Going to the second full-length 2 variable element 58 to form the second polarization component Sgb, the viewing surface % is extremely eight = is emitted by the first light surface 66; the second partial light surface 62 enters the second partial bias, The amount of SgB will be birefringent The surface 80 is reflected by the fourth light exiting surface 76, and then the reflective film 64 is reflected back to the second light polarizing element 56 by the first light exiting anvil. As can be seen from the above, the first polarization component WsR'' generated by the system is emitted by the first output = of the optical conversion module 52 to provide a light source system 5 having a single polarization component. Please refer to FIG. 3, which is a cross-sectional view of a second embodiment of the light source system of the present invention. In this embodiment, the light source system 1A of the present invention comprises an optical conversion device 102 and a side light source, wherein the red light source 丨36 is disposed on the left side of the optical conversion device, and the blue light and green light source 138 are disposed on the optical conversion mode. Group 1〇2 to the right. The optical conversion device 102 includes a reflective diaphragm 110, a polarization modulation component 108, and first and second optical polarization components 1〇4, 1〇6 are sequentially stacked, wherein the polarization modulation component 108 It is a quarter-phase retardation film that converts linear off-polar light into circularly polarized light.

11 1317825 The first and second optically polarized elements 1〇4 and 1〇6 are arranged side by side in parallel, and the material is composed of a birefringent crystal, such as quartz, calcite or ice stone, and a polarized element. The first light-emitting surface 112, the first light-emitting surface ιΐ4, the first light-emitting surface m, and the birefringent surface 118 are included, and the second light-polarizing unit 1〇6 also includes a -first-into-light surface. 12〇, a first-light-emitting surface 122, a second light-emitting surface 124, and a birefringent surface 126. Wherein, the birefringent surfaces 118, 126 are adjacent to the first light-incident surface 112, 120, and each of the surfaces is a transmissive surface 128, 13 〇, which allows the ith pole component (s-polar component) to pass through and reflects the second bias The polar component (p-polar component), the neon surface is the reflective surface 132, 134, which can complete the reflected light. The operation of the light age system of the present invention is as follows: the light generated by the left red light source is a random polarization component, including the first polarization component Sr and the second polarization component Pr' A light incident surface 112 enters the first optical polarization unit 1〇4, wherein the first polarization component SR continues to travel through the penetration surface 128 to the second optical polarization unit •1〇6, Then, it is reflected by the reflecting surface 134 and emitted by the first light emitting surface 122. The second polarizing component pR′ is reflected by the birefringent surface 118, is emitted by the second light emitting surface 116, and is converted into circular polarized light by the polarization detecting element 108. Then, it is reflected by the reflective film ιι〇. After being reflected, it is converted into the first polarization component Sr by the polarization modulation element 108, and enters the first light polarization unit 1〇4 to pass through the penetration surface. 128 is emitted by the first light exit surface 114. Similarly, the light generated by the right blue light and the green light source includes a first polarization component Sgb and a second polarization component PGB, and the first light entrance surface 12〇 enters the second light polarization pole unit 106. , wherein the first polarization component sGB enters the a 12 1317825 first light polarization unit 104 through the penetration surface 13 , is reflected by the reflection surface 132 and is emitted by the first light extraction surface ι 4 , and the second polarization component PGB Then, after entering the second optical polarization unit I%, it is reflected by the birefringent surface 126, emitted by the second light-emitting surface 124, converted into circularly polarized light by the polarization detecting element 108, and then reflected. The diaphragm 11 is reflected and converted into a first polarization component s via the polarization modulation element 108, and then passes through the transmission surface 130 and is emitted by the first light exit surface 122. Therefore, the light emitted by the light sources on both sides of the light source system 1GG of the present invention is converted by the optical conversion device 102 into light including only the first polarization component SGB, SR, for the liquid crystal display panel with the polarizer. use. Please refer to Fig. 4'. Fig. 4 is a view showing the incident angle of light and the spectral transmittance of the light-polarizing element of the present invention. The right side of the towel indicates that the filament is incident on the optically polarizing element from the right side of the optical polarization element. Since the optical polarization elements used in the first and second embodiments of the present invention described above have different spectral transmittances for the incident angle of light, for example, when the light enters the optical polarization element, the incident angle is 〇. At this time, approximately 1% of the second polarization component P can pass through the birefringent plane, and approximately 〇% of the first polarization component bias s is reflected; and when the ray incident angle is _2 〇. When about 5〇% of the second polarization component p can pass through the birefringent surface of the optical polarization element, and the corresponding first-polar component s can also pass through the birefringent surface, and the birefringent surface It is impossible to completely separate the light of the random polarization into the first-polar component S and the second polarization component 卩. Therefore, in the above embodiments, the red, blue, and green light sources used in the present invention preferably use a directivity LED light source, that is, the light illuminance is small, and the light generated by the bribe can be nearly perpendicular to the incident light. The light incident surface of the polarized component.

13 1317825 ' & this hair _ advantage lies in the red silk source money, Seiko County separate placement, so, can be set for the non-color silk (four) sex 'secret line to control the tree or disperse · heat I set 'the silk system has The best optical effects and operating conditions. It is worth noting that the refractive index of the light that is not long is different, for example, the maximum refractive index of blue light and the minimum pulse light rate. Therefore, in order to make each color silk have the same projected area after entering the light-polarized component, Providing a better light mixing effect, the light source button 100 of the present invention may further comprise a refractive adjustment to close the projected area of the different color light sources. Please refer to FIG. 5, which is a schematic diagram of the third embodiment of the light source system of the present invention, and the component symbols of the third component of the device. As shown in Figure 5, since the red light has the smallest angle of refraction, the projected area is also the smallest. In order to provide a projected area of considerable field light or green light, a refraction regulating film 14A may be disposed between the left red light source (3) and the first optical polarization element 104 to change the refractive angle of the red light so that red The projection area after the light-emitting person first-difference element 1G4 is approximately the same as the projected area of the blue light and the green light source 138 generated by the right side and the green light source 138 is incident on the second light polarization element 1〇6. In the present embodiment, the refractive control film 140 is a film which can be directly adhered to the surface of the first light incident surface 112 of the first optical polarization element 1〇4. In other embodiments, the refractive control diaphragm 14 can also be directly attached to the surface of the LED of the red light source 136 to adjust the projected area of the red light. In addition, the luminous intensity of the traditional red LED is more likely to be attenuated by the increase of temperature than the blue LED and the green LED, so when the red LED source is set in the light source system 1〇〇

14 1317825 On the left side of the light source system 100, a heat sink can be provided for the red LED on the left side of the light source system 100, such as a copper heat sink, and a heat sink with a lower heat dissipation material can be disposed near the blue and green light LEDs on the right side. The heat sink is used to control and reduce the material and cost of the light source system 100 while providing a better operating environment for the light source system 100. Further, in order to further improve the light mixing effect, a blue light, a green light source, and a red light source may be separately disposed on the front and rear sides of the light source system 100 of the third embodiment. Please refer to FIG. 6. FIG. 6 is a schematic view showing a fourth embodiment of the light source system according to the present invention, wherein (A) is a plan view, (B) is a rear side view, and (c) is a left side view, and Figure (D) is a side view of the right side. As shown in FIG. (a), in this embodiment, a blue light and a green light source are disposed on the front side of the first optical polarization element 104, and a red light source is disposed on the rear side of the second optical polarization element 106. . In addition, in order to convert the light sources disposed on the front and rear sides into a single polarization component, the first and second optical polarization elements 104 and 106 further include a second birefringence surface 142, 144, as shown in the figure. (C) and (D). Further, as shown in the top view of the fifth embodiment of the light source system of the present invention, a red light source 'and a second light source may be disposed on the rear side of the first optical polarization element 1〇4. A blue and green light source may be further disposed on the front side of the polarization element 106 to increase the brightness of the light source system. However, in other embodiments, the light source module 1 can replace the color of the light source disposed on the front and rear sides of the light source system 100 with the light source of different colors according to the requirement and preference of the liquid crystal display for color temperature, as shown in FIG. Top view of the sixth embodiment of the system

15 1317825 The intention is shown. Please refer to Fig. 9'. Fig. 9 is a plan view showing a seventh embodiment of the light source system of the present invention. The light source system 200 of the present embodiment may include a plurality of light source systems 200 having a large size as shown in the third or fourth figure. The components shown by reference numeral 202 in the figure represent the optical conversion modules 2〇2, which all include a first optical polarization element 2〇4, a second optical polarization element 2〇6, and a low-to-bias A polar modulation component (not shown) is disposed between the first and second polarization polarization elements, 206, or both. Further, the first optical polarization component and the second optical polarization component A reflective diaphragm (not shown) can be optionally disposed under the 206. A red light source is disposed between the adjacent optical conversion modules 202, and the red light source can be a red ED of two-sided illumination or a red light emitted by the optical conversion module 202. light source. In addition, the left and right side of the optical conversion module is also provided with a blue light and a green light source. · The ground light, the green light source can be the light source of the light, or the different light sources that are respectively illuminated to the left and right sides. . The advantage of this embodiment is that a plurality of optical conversion modules 2〇2 can be arranged side by side to form two: H-series 4 is used as a backlight pull group, and at the same time, a large-size liquid crystal with high efficiency of liquid crystal display panel can be provided. monitor. Furthermore, since all the red light sources are arranged adjacent to each other, there is no need to set the red wire source at t*, βθ'', step ##ss, "丨" (4) heat dissipation, to enter - light source, each optics The color ', column mode between the sides of the conversion module 2 〇 2 is not limited to those disclosed in the embodiment.

16 1317825. Please refer to FIG. 10, which is a schematic diagram of the appearance of the optical conversion module 202 shown in FIG. 9, wherein FIG. 10 only depicts the first and second optical polarization elements 204, 206. In order to save the overall space of the light source system 200, and also to avoid the light source becoming a distinct color point light source between the side-by-side optical conversion modules 202, the first and second optical polarization elements 204, 206 can be The light source providing groove 2〇8, 210' is a concave groove on the side surfaces of the first and second optical polarization elements 2〇4, 206, so that the light source can be embedded in the first and second light deviations The polarizing elements 2〇4, 2〇6 are internal. Taking the optical conversion module 2〇2 in the upper left corner of FIG. 9 as an example, each light source setting slot 2〇8 can be placed with a red LED, and the light source setting slot 210 can be placed with a blue-green color containing blue and green led chips. Light LED. Thus, when the light source system 2 is viewed from above, the point light source disposed inside the optical conversion module 202 is not easily visible, and the light generated by the light source can directly enter the first and second optical polarization elements 2〇4. 2,6 and fully mixed light. Referring to Fig. 11 and Fig. 11 is a perspective view of the appearance of an explosion of the liquid crystal display of the present invention. The liquid crystal display device 300 of the present invention comprises a liquid crystal display panel 3〇2, and the polarizing plates 304 and 306 are respectively disposed on the upper and lower sides thereof. The liquid crystal display device 300 further includes a backlight module 314 including the light source system 2A of the present invention and an outer frame 308 shown in FIG. Wherein, the left and right sides of the outer frame 308 are respectively provided with heat dissipating devices 31 〇, 312, _ 2 pins, and the red light source provides a better heat dissipation environment, such as a copper heat sink. It is worth noting that the 光源 (4) light source system 2 已 itself already includes a reflective film disposed on the lower portion thereof, so that the outer frame 308 of the backlight module 314 does not need to be provided with a reflective sheet. 17 1317825 In addition, since the light source system 200 has provided light having a high light mixing effect and having a single polarization direction, there is no need to provide a cymbal or a diffusion sheet above the light source system 200, which can reduce material cost and space. However, in other embodiments, a diffusion film that does not change the polarization characteristics may be disposed between the light source system 200 and the liquid crystal display panel 302 to atomize the region where the LED light source is disposed. Further, when the light splitting effect of the light source system 2 is good and the polarization component of only a single polarized square wire can be provided, the component arrangement of the polarizer 16 below the liquid crystal display panel 12 can be omitted as appropriate. Therefore, the principle of operation of the light source system of the present invention is as shown in FIG. 12. First, the light generated by the LED light source 400 is divided into a first polarization component and a second light via the optical polarization component 402 of the optical conversion module. The polarization component is further converted into a first polarization component by the polarization modulation component 404, so that the light converted into the first polarization component enters the liquid crystal display panel 4 with the polarizer or the polarizing plate. 6 in. Compared with the prior art, the present invention sets different color light sources with different characteristics to the optical polarization 70, and the blue color can be fully mixed in the optical hybrid element, and is polarized by light. The component f is converted into a single polarization component to provide a white light source with a better color temperature to the liquid crystal display panel, and the light transmittance of the liquid crystal display panel can be increased by at least 嶋. In addition, since the different color light sources are distributed, the present invention can be designed for heat dissipation of a specific color light source to extend the use and improve the optical effect. In addition, the light age system of the present invention can be applied not only to the liquid crystal display H' but also to other flat displays requiring a #light source.

18 1317825 The above is only the preferred embodiment of the present invention, and all changes and modifications made to the scope of the present invention should be within the scope of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a structural exploded view of a conventional liquid crystal display. Figure 2 is a side elevational view of a first embodiment of a light source system of the present invention. Figure 3 is a cross-sectional view showing a second embodiment of the light source system of the present invention. I Fig. 4 is a graph showing the incident angle of light and the spectral transmittance of the light-polarizing element of the present invention. Figure 5 is a cross-sectional view showing a third embodiment of the light source system of the present invention. Figure 6 is a schematic view showing a fourth embodiment of the light source system of the present invention. Figure 7 is a top plan view of a fifth embodiment of the light source system of the present invention. Figure 8 is a top plan view of a sixth embodiment of the light source system of the present invention. Figure 9 is a top plan view showing a seventh embodiment of the light source system of the present invention. The first drawing is a schematic view of the appearance of the optical conversion module shown in FIG. Figure 11 is a schematic exploded view of the appearance of a liquid crystal display of the present invention. ® Fig. 12 is a schematic flow chart showing the principle of operation of the light source system of the present invention. [Main component symbol description] 10 LCD monitor 12 LCD panel 14 Second polarizer 16 First polarizer 18 Backlight module 20 Light source 22 Heat sink 24 Light guide plate 26 Reflector 28 First diffuser 19 1317825

30, 32 prism sheet 34 50 light source system 52 54 first polarizing element 56 58 polarization adjusting element 60 62 second light incident surface 64 66'68 first light emitting surface 70, 72 74 third light emitting surface 76 78, 80 Birefringent surface 82, 84 86, 88 Reflecting surface 100 102 Optical conversion module 104, 204 First optical polarization element 106' 206 First optical polarization element 108 Polarization modulation element 110 112, 120 First Light-incident surface 114, 122 116, 124 second light-emitting surface 118, 126 128, 130 penetration surface 132, 134 136, 138 light source 140 142, 144 second birefringence surface 200 202 optical conversion module 208 > 210 300 liquid crystal Display 302 304, 306 polarizer 308 310, 312 heat sink 314 400 LED light source 402 second diffuser optical conversion module first optical polarizing element first light mask reflective diaphragm - light exit surface fourth light surface Penetrating surface light source system with reflective diaphragm first light-emitting surface birefringent surface reflecting surface control diaphragm light source system light source setting slot liquid crystal display panel outer frame backlight module light polarization element 20 1317825 liquid crystal display panel 404 Modulation element 406

twenty one

Claims (1)

1317825 X. Patent Application Range: 1. A light source system comprising: an optical conversion module comprising: at least one optical polarization element and having at least one light emitting surface and At least one birefringent surface, the birefringent surface is capable of passing a first polarizing component and reflecting a second polarizing component, and one of the birefringent faces is a penetrating face and the other face is a reflecting face; a polarization modulation component disposed on one side of the optical polarization component; and a first-color light source and a second color light source, the first and second color light sources respectively generating a color different in the first color Light and a second colored light, and the third-color silk is disposed on both sides of the silk-switching group and opposite-positioned, and the first and second colored light rays can be mixed into white light; wherein The first or the second colored light beam is split by the birefringent surface to become a one-density polarization component and the second polarization component, and the first or second bias component is again passed through the polarization modulation component The role of the conversion of its partial pole: material ^ first - or the Two color light converted to the second polarization are divided polarization components ❿ 'and the light emitting surface is emitted from the optical conversion module. Where the first and the first The light source system of claim 1, wherein the first and second color light sources are each a directional light source. 5. The light source system of claim 1, wherein the first color light source is a red light source and the second color light source comprises a blue light and a green light source. 6. The light source system of claim 1, wherein the optical conversion module comprises two optical polarization elements, each of the optical polarization elements comprising a light incident surface and the first and the optical polarization component The second color light sources are respectively disposed on the light incident surface of each of the optical polarization elements. 7. The light source system of claim 6, wherein the polarization modulation element is absent between the optical polarization elements. 8. The light source system of claim 7, wherein the polarization modulation element is a 1/2 wavelength phase retardation film. 9. The light source system of claim 6, wherein the polarization modulation element is disposed on one side of the light-polarizing element opposite to the light-emitting surface and perpendicular to the input Glossy setting. The light source system of claim 9, wherein the polarization modulation element is a 1/4 wavelength phase retardation film. The light source system of claim 6, wherein the optical conversion module - further comprises a reflective diaphragm disposed on one side of the optical polarization elements, vertical On the entrance surface. 12. The light source system of claim n, wherein the second polarization component is reflected by the birefringent surface, and sequentially passes through the polarization modulation component, the reflective film and The pole modulation component is then converted into the first polarization component, and then reflected back into the light polarization modulation component. Finally, the optical conversion module is emitted through the birefringence surface and the light exit surface. 13. The light source system of claim 6, wherein the first polarization component passes through the birefringence surface of the optical polarization unit, and then passes through the polarization modulation component and is converted into The second polarization component 'is again reflected by the reflective surface of the adjacent optical polarization element away from the module brightness enhancing device. The light source system of claim 1, wherein the optical conversion module comprises at least one light source setting groove for setting the first or second color light source. 15. The light source system of claim 13, wherein the light source is provided with a groove on one side of the light polarizing element to enable the first or the first color light source to be hidden It is disposed inside the optical polarization element. 24 1317825: The light source system of claim 1 wherein the light source system further comprises a refractive control diaphragm for adjusting the folding angle of the first or second colored light. The light source system of claim 1, wherein the refractive control film is disposed on the light incident surface of the optical polarization element. The light source system of claim 1, wherein the refractive control diaphragm is free from the light-emitting surface of the first color light source. 19. The light source system of claim 1, wherein the light source system comprises a plurality of the optical conversion modules disposed side by side in parallel, and at least one of the first colors is disposed between each of the optical conversion modules. a light source or the second color light source. 20. A flat panel display comprising: > a light source system according to claim 1; a liquid crystal display panel disposed on the light source system; and at least one polarizer disposed on the liquid crystal display Between the panel and the light source system, and the transmission axis of the polarizer is parallel to the polarization direction of the second polarization component. 21. The flat panel display of claim 20, further comprising a heat sink disposed adjacent to the first color light source for providing a preferred operating environment to improve the optical effect of the first color light source . 25