xga data projector lcd product line featuring the industrys highest optical transmittance in 1.8, 2.3, and 3.3 cm size panels lcx023elt/emt lcx029cnt/cpt, crt/cst lcx038art/ast due to the increasingly widespread use of data projectors, there are now even stronger desires for brighter and higher resolution projectors. to respond to these desires, sony has developed a product line of 786k-dot xga data projector lcds based on the unique sony-developed dms structure and taking full advantage of high light resistance technol- ogy and a newly-developed high aperture ratio structure. all three sizes, 1.8 cm (0.7-type), 2.3 cm (0.9-type), and 3.3 cm (1.3-type), achieve the highest brightness in their size class in the industry, and can be used in a wide range of applications, from mobile pc-based presentations to con- ference rooms, and even in large conference halls. n these devices achieve the highest optical transmittance in their size class 1.8 cm (0.7-type): 21% (typ.) n dual metal shield (dms) structure adopted n aspherical high efficiency microlenses incorporated n improved uniformity due to the adoption of the ocs (on chip spacer) structure n built-in crosstalk-free and ghost-free cir- cuits n up/down and/or right/left inversion func- tions, input level shifter circuits n antidust glass structure adopted highest optical transmittance in their class achieved by adopting sonys unique dms struc- ture, a newly-developed high aperture ratio structure, and aspheric microlenses (with ml) these products achieve the greatest brightness of any devices in their respective size class. the 1.8 cm (0.7-type) models achieve an aperture ratio of 42% and an optical transmit- tance of 21% (with ml), the 2.3 cm (0.9-type) models achieve an aperture ratio of 54% and an optical transmit- tance of 26% (with ml), and the 3.3 cm (1.3-type) models achieve an aperture ratio of 67% and an optical transmittance of 30% (with ml). for the 2.3 cm (0.9-type) models this corresponds to an improvement by a factor of 1.2 over conventional products. to improve the light resistance, we developed the dms structure used in previous products even further, and achieved light resistances of 1000 ansi lm in the 0.7-type models, 1500 ansi lm in the 0.9-type models, and 3000 ansi lm in the 1.3-type models. in par- ticular, the lcx038art/ast is the industrys first 1.8 cm (0.7-type) xga data projector lcd, and can be used to implement ultraportable data projectors. (see table 1.) high-picture quality achieved the three model types in this release all adopt the tft circuit technology devel- oped in sonys previous data projector lcd products, and achieve crosstalk- free and ghost-free display. the device structure is a high-brightness structure consisting of a high light resistance dms structure and an ocs structure, and achieves excellent uniformity. furthermore, by adopting this device structure and the cxd3503r color shading correction ic, it is possible to correct not only for color shading in the lcd panel itself, but also for color shading in the illumination system, and thus these devices can achieve high- picture quality images with greater evenness. all three of the model types in this release feature a contrast of 400:1 (typical), which was achieved by opti- mizing both the lcd design and the lcd orientation technology. ease of use to support a wide range of applications, sony data projector lcds include both up/down and/or right/left inversion functions and input level shifter circuit to allow 5 v drive of the timing system. related sony products create an envi- ronment that allows users to get the best performance from the characteristics provided by the lcds themselves. these products include, for the analog system, the cxa2111r signal driver and the cxa3512r high voltage drive sample-and-hold ic, which has been well-received by the market, and the cxd2467aq, which integrates a pro- grammable tg and rgb drivers on a single chip as the digital system struc- ture. voice to respond to our customers de- sires for even brighter images with even higher picture quality, we are simultaneously releasing three new xga data projector lcds, a high-brightness 1.3-type device, a 0.9-type device, and a 0.7-type device. all of us on this project team grappled with the main development issues, which were to achieve both high optical transmittance and high light re- sistance. we are convinced that sonys customers will be fully satisfied with this new lineup of xga lcd products for use in ap- plications from ultrasmall mobile projectors to high picture quality portable projectors.
lcx023elt/emt 42 mm 104 mm 16.5 mm 38 mm 28.2 mm 25 mm 16.5 mm 16.5 mm 30.2 mm 105 mm 26 mm 101.5 mm lcx029cnt/cpt, crt/cst lcx038art/ast psig 1 v ss gl 21 v ss gr 2 hst 17 hck1 19 hck2 18 blk 22 rgt 16 vst 25 vck 24 pcg 29 dwn 26 enb 23 hb 27 vb 28 hv dd 15 vv dd 30 v ss 20 com 31 vsig12 14 vsig11 13 vsig10 12 vsig9 11 vsig8 10 vsig7 9 vsig6 8 vsig5 7 vsig4 6 vsig3 5 vsig2 4 vsig1 3 com pad up/down and/or right/left inversion control circuit v shift register (bidirectional scanning) v shift register (bidirectional scanning) precharge control circuit input signal level shifter circuit h shift register (bidirectional scanning) side-black control circuit black-frame control circuit black-frame control circuit r g b hsync vsync lcd panel r lcd panel g lcd panel b s/h dr iv er cxa3512r s/h dr iv er cxa3512r 6 enb , prg, frp prg, clp vst mclk/2 dsync timing pulses 6 s/h dr iv er cxa3512r s/h dr iv er cxa3512r 6 6 s/h dr iv er cxa3512r s/h dr iv er cxa3512r 6 6 timing gener ator cxd3500r color shading correction cxd3503r lpf signal dr iv er cxa2111r pll cxa3106a q lcx023el t/emt lcx029cnt/cpt ,cr t/cst lcx038ar t/ast lcx023el t/emt lcx029cnt/cpt ,cr t/cst lcx038ar t/ast lcx023el t/emt lcx029cnt/cpt ,cr t/cst lcx038ar t/ast with ml product name no ml screen size number of dots outer dimensions dot pitch aperture ratio optical transmittance light resistance * under development antidust glass lcx038 * art/ast 1.8 cm (0.7-type) xga, high aperture ratio 1,024 (h) 768 (v) (786,000) 25 mm (h) 26 mm (v) 14 m m 14 m m 42% 21% 1,000 ansi lm built in lcx029 * crt/cst cnt/cpt 2.3 cm (0.9-type) xga, high aperture ratio 1,024 (h) 768 (v) (786,000) 28.2 mm (h) 30.2 mm (v) 18 m m 18 m m 54% 26% (with ml) 18% (no ml) 1,500 ansi lm built in lcx023 * emt elt 3.3 cm (1.3-type) xga, high aperture ratio 1,024 (h) 768 (v) (786,000) 38 mm (h) 42 mm (v) 26 m m 26 m m 67% 30% (with ml) 23% (no ml) 3,000 ansi lm built in lcx017 dlt 4.6 cm (1.8-type) xga 1,024 (h) 768 (v) (786,000) 50 mm (h) 56 mm (v) 36 m m 36 m m 70% 24% 6,000 ansi lm built in n table 1 xga panel specifications comparison n figure 3 system block diagram n figure 2 panel block diagram n figure 1 xga panel dimension specifications comparison
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