Static Indicating Devices TRIZ Cases

Inverse-compensated control data and DAC-controlled bias current correct interpolation offsets to stabilize display output voltage.

A bootstrap and low-frequency drive circuit lets liquid crystal sunglasses auto-adjust to light changes while cutting power use and extending battery life.

Input-data pre-emphasis speeds gray-scale voltage transitions in display drivers without raising amplifier quiescent current or IC temperature.

An analog PWM pixel circuit uses capacitor discharge and constant-current switching to control iLED brightness with lower complexity and frequency.

Shared forward/reverse scan driving outputs multiple gate signals with fewer TFTs, cutting circuit area for narrow-bezel flat displays.

Dynamic switching between lossless and lossy DPCM keeps frame data within a fixed bit budget while reducing memory use.

A capacitor or source follower stabilizes the buffer input in a display data driver, cutting output offset and preserving gray-voltage linearity.

Selective gate switching cuts effective input capacitance in an operational amplifier, improving settling time and reducing voltage fluctuations.

A floating-phase pre-emphasis drive circuit speeds pixel capacitor settling across RC-limited display lines while cutting hold-phase power.

Derivative-based timing encoding cuts display-link bandwidth and power while preserving light-sample timing precision in scanning mirrors.

By reusing display sensor electrodes and the source amplifier, this case improves proximity detection accuracy without adding sensing hardware.

Separating resistor-ladder supply and output points with amplifier feedback cuts driver voltage variation and display unevenness.

A cascode output stage isolates Miller compensation capacitance in OLED current integrators, reducing charge loss and output error.

Capacitor-based auto-zeroing during vertical blanking cuts display buffer offset errors while avoiding extra calibration power and memory use.

Edge-triggered flip-flops and feedback generate a protection signal that blocks interference-driven chip data rewriting.

Previous and present line data are compared to tune buffer bias current, cutting display power use while preserving image quality.

Grouped bit decoding simplifies DAC switch control to cut circuit area while improving linearity, noise reduction, and voltage handling.

Selective gating of grouped photoelectric circuits limits off-state current leakage and improves weak fingerprint signal detection accuracy.

A control element counteracts off-leakage current in shift register flip-flops, stabilizing gate potential during low-frequency display driving.

A switched feedback-capacitor integrator amplifies and accumulates touch sensing signals on both pulse edges to cut circuit size and power use.

A positive-feedback TFT latch circuit holds pixel-driving voltage through long frame cycles, reducing leakage-driven instability in low-refresh LCDs.

Voltage-based charge injection and discharge compensation cuts transfer-gate feedthrough noise and preserves signal accuracy in electro-optical circuits.

A reset auxiliary pin and controlled capacitor charging prevent LCD timing controller reset faults during rapid power-off and power-on transitions.

Code division sensing lets self-capacitance touch lines improve SNR and sensitivity while limiting saturation, noise, and power use.

Correlated double sampling with polarity reversal and mirroring capacitors cancels noise for accurate pixel current sensing in display panels.

Voltage-tuned liquid crystal resonance enables one microwave structure to adjust amplitude and phase together with lower complexity and energy use.

Voltage control units stabilize differential pair threshold voltage, improving interpolation linearity and display grayscale accuracy.

An external power transistor and current-mirror detection cut PMIC on-resistance loss and improve large LCD module power efficiency.

Dual level shifters drive P- and N-type buffer transistors beyond supply rails to boost switching speed without larger transistor area.

Diode-connected transistors clamp gate driver outputs and discharge ripple voltage, limiting oxide TFT stress and preserving display image quality.

Time-division gate modules drive two scan lines per stage to shrink LCD bezel width while reducing circuit area and interconnect count.

Matched P- and N-type MOSFET pairs maintain constant rail-to-rail transconductance without complex bias control, improving amplifier stability.

Residual charge release through added GOA switches stabilizes pull-up control signals and prevents threshold voltage drift.

Bias-controlled transconductance randomizes DNL in display data drivers, improving brightness uniformity without higher-resolution DACs.

Stored power keeps the gate driving circuit active during shutdown, extending pixel electrode discharge time to prevent display afterimages.

Differential amplifiers and a resistor ladder stabilize display level voltages, reducing data driver variation and uneven image quality.

Periodic on-off display sampling separates ambient light from display light, improving behind-display ALS accuracy at high refresh rates.

A protector detects low bias voltage and shuts down amplifiers and level shifters before overcurrent, short-circuits, or ignition occur.

Duty-cycle tuning keeps the sensing signal’s mean voltage near the display drive level, cutting audible buzzing without losing capacitive sensing quality.

Shared display-driver circuitry performs proximity sensing on panel electrodes, improving detection sensitivity while reducing circuit size and cost.

A switched feedback capacitor lets one touch-display integrator amplify and accumulate sensing signals, cutting circuit size and power use.

Temperature- and voltage-triggered bootstrap amplification speeds charge release in display gate driving circuits to prevent low-temperature horizontal stripes.

Splitting gate-driver clock lines into two side groups cuts overlap capacitance, reducing clock delay and improving display output timing.

Body-tied transistor switching cuts body effect and offset buildup in half-power buffer amplifiers, improving slew rate with lower display power.

A non-pixel electrode around the display opening enables self-capacitive proximity sensing without adding separate components or process steps.

Selective slew boosting uses potential-difference control and managed power paths to raise output speed without extra current or short-circuit current.

Weighted averaging of split reference voltages cuts DAC chip size while keeping output voltage changes uniform across display gradations.

Enable-based ADC conversion cuts touch driver runtime, preserving touch sensitivity while avoiding refresh loss, size growth, and extra converter cost.

PIN diodes embedded between AMOLED pixels enable fingerprint sensing while reducing display area loss, burn-in, and mura.

Multiple clock-controlled flip-flops switch data shift direction without mixed transistor types, expanding display and memory circuit flexibility.